Antibiotics GE 23077, pharmaceutically acceptable salts and compositions, and use thereof
AssigneeBiosearch Italia S.p.A.
InventorsIsmaela Ciciliato, Emiliana Corti, Edoardo Giacomo Sarubbi, Stefania Stefanelli, Nicoletta Montanini, Flavia Marinelli, Michael Kurz, Enrico Selva
Life of this patent
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Abstract
The invention relates to an antibiotic substance of microbial origin, arbitrarily denominated GE23077 complex and the individual factors which constitute it, a mixture of said factors in any proportion, the pharmaceutically acceptable salts and compositions thereof, and their use as an antibacterial agent having a selective inhibitory activity against E. coli RNA polymerase.
Claims17
Antibiotic GE23077 factor A1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) 1H-NMR spectrum recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal;
- standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.51;
- 19.3;
- 19.2;
- 13.7;
- 12.3;
- D) Retention time:
- 14.16 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- and the pharmaceutically acceptable salts thereof.
Antibiotic GE23077 factor A2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) Retention time:
- 20.90 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) 1H-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42, 3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- D) 13C-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 1219.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3;
- and the pharmaceutically acceptable salts thereof.
Antibiotic GE23077 factor B1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole. mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) 1H-NMR spectrum, recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals;
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5:
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- D) Retention time:
- 16.56 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- and the pharmaceutically acceptable salts thereof.
Antibiotic GE23077 factor B2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) Retention time:
- 22.71 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) The 1H-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- D) The 13C-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values, marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5;
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- and the pharmaceutically acceptable salts thereof.
A process for producing an antibiotic, wherein the antibiotic is selected from the group consisting of antibiotic GE23077 factor A1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) 1H-NMR spectrum recorded at 600 MHZ in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals;:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- C) 13C-NMR spectrum, recorded at 150 MHZ in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3;
- D) Retention time:
- 14.16 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm,
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A1, antibiotic GE23077 factor A2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) Retention time:
- 20.90 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5μl Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) 1H-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 600 MHZ in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- D) 13C-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 150 MHZ in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3,
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A2, antibiotic GE23077 factor B1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole. mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) 1H-NMR spectrum, recorded at 600 MHZ in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- C) 13C-NMR spectrum, recorded at 150 MHZ in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5:
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- D) Retention time:
- 16.56 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm,
- a pharmaceutically acceptable salt of antibiotic GE23077 factor B1, antibiotic GE23077 factor B2 having the following characteristics;
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) Retention time:
- 22.71 min, determined by HPLC analysis under the following, chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18,5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) The 1H-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 600 MHZ in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- D) The 13C-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 150 MHZ in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm. as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5;
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- and a pharmaceutically acceptable salt of antibiotic GE23077 factor B2, which comprises:
- cultivating Actinomadura sp. DSMZ 13491 or a mutant thereof;
- isolating the resulting antibiotic from the mycelium and or the culture broth;
- purifying the isolated antibiotic;
- and
- separating the antibiotic four factors A 1, A2, B 1 and B2 by chromatographic means.
An antibiotic GE23077 mixture of two or more factors selected from the group consisting of antibiotic GE23077 factor A1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) 1H-NMR spectrum recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68:
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.2:5;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 119.3;
- 19.2;
- 13.7;
- 12.3;
- D) Retention time:
- 14.16 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm,
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A1, antibiotic GE23077 factor A2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) Retention time:
- 20.90 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) 1H-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- D) 13C-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3,
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A2, antibiotic GE23077 factor B1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole. mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) 1H-NMR spectrum, recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5:
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- D) Retention time:
- 16.56 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm,
- a pharmaceutically acceptable salt of antibiotic GE23077 factor B1, antibiotic GE23077 factor B2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) Retention time:
- 22.71 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) The 1H-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in rpm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- D) The 13C-NMR spectrum, recorded after complete conversion of factor B2 into factor B1was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5;
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- and a pharmaceutically acceptable salt of antibiotic GE23077 factor B2 in any proportion.
A pharmaceutical composition comprising at least one antibiotic selected from the group consisting of antibiotic GE23077 factor A1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) 1H-NMR spectrum recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3;
- D) Retention time:
- 14.16 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A1, antibiotic GE23077 factor A2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) Retention time:
- 20.90 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) 1H-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values, marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- D) 13C-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3;
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A2, antibiotic GE23077 factor B1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole. mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) 1H-NMR spectrum, recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5:
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- D) Retention time:
- 16.56 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- a pharmaceutically acceptable salt of antibiotic GE23077 factor B1, antibiotic GE23077 factor B2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) Retention time:
- 22.71 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) The 1H-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 41.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.69;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- D) The 13C-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5;
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- and a pharmaceutically acceptable salt of antibiotic GE23077 factor B2.
A method of treating a bacterial infection comprising administering to a patient in need thereof an effective amount of at least one antibiotic selected from the group consisting of antibiotic GE23077 factor A1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) 1H-NMR spectrum recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 12.9.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 19.3;
- 19.2;
- 13.7;
- 12.3;
- D) Retention time:
- 14.16 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A1, antibiotic GE23077 factor A2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 804 m/z;
- B) Retention time:
- 20.90 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) 1H-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 8.94;
- 8.93;
- 8.93*;
- 8.04;
- 7.93;
- 7.88;
- 7.68;
- 7.33/7.27;
- 7.29;
- 6.34;
- 5.97;
- 5.79;
- 5.68;
- 5.00;
- 4.94;
- 4.82;
- 4.65;
- 4.47;
- 4.37;
- 4.31;
- 4.07;
- 4.05;
- 3.90;
- 3.88;
- 3.74;
- 3.59/3.49;
- 3.53,3.42/3.25;
- 2.50;
- 1.74;
- 1.70;
- 0.96;
- 0.94;
- 0.85;
- D) 13C-NMR spectrum, recorded after complete conversion of factor A2 into factor A1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.6;
- 171.5;
- 171.3;
- 170.7;
- 170.2;
- 170.0;
- 170.0*;
- 169.6;
- 169.2;
- 168.8;
- 131.6;
- 129.9;
- 74.0;
- 69.9;
- 69.1;
- 66.8;
- 63.1;
- 60.1;
- 58.5;
- 58.2;
- 57.3;
- 55.9;
- 54.3;
- 43.4;
- 39.7;
- 29.8;
- 19.9;
- 15.3;
- 19.2;
- 13.7;
- 12.3;
- a pharmaceutically acceptable salt of antibiotic GE23077 factor A2, antibiotic GE23077 factor B1 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole. mass spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) 1H-NMR spectrum, recorded at 600 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- C) 13C-NMR spectrum, recorded at 150 MHz in DMSO-d6, exibiting the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5:
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- D) Retention time:
- 16.56 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- a pharmaceutically acceptable salt of antibiotic GE23077 factor B1, antibiotic GE23077 factor B2 having the following characteristics:
- A) Main FAB mass peak, obtained on a Finnigan TSQ700 triple quadrupole miss spectrometer using a xenon atom gun, operating at 8 kV, 0.23 mA current, the sample being mixed with glycerol as ionization matrix, corresponding to (M−H)+ at 806 m/z;
- B) Retention time:
- 22.71 min, determined by HPLC analysis under the following chromatographic conditions:
- Instrument:
- HP mod. 1090 DAD detector;
- Column:
- Beckmann ODS C18, 5 μm 250×4.6 mm;
- Elution:
- Isocratic 15% Phase B;
- Phase A:
- 2.5 g/l Ammonium formiate:
- 99:1 v/v Methanol;
- Phase B:
- 2.5 g/l Ammonium formiate:
- 30:70 v/v Methanol;
- Flow rate:
- 1.5 ml/min;
- Detector:
- UV 230 nm;
- C) The 1H-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 600 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 2.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 1H signals:
- 9.00;
- 8.99;
- 8.94;
- 8.02;
- 7.93;
- 7.88;
- 7.82;
- 7.32/7.26;
- 7.30;
- 5.90;
- 5.81;
- 5.66;
- 4.99;
- 4.96;
- 4.79;
- 4.65;
- 4.47;
- 4.31;
- 4.31;
- 4.07;
- 4.05;
- 3.88;
- 3.88*;
- 3.74;
- 3.57/3.37;
- 3.53;
- 3.47/3.23;
- 2.49;
- 1.95;
- 1.95*;
- 0.95;
- 0.94;
- 0.85;
- 0.84;
- D) The 13C-NMR spectrum, recorded after complete conversion of factor B2 into factor B1 was recorded at 150 MHz in DMSO-d6 and exibits the following signals (in ppm) referenced to the residual peak of DMSO set at 39.5 ppm as internal standard:
- the values marked with an asterisk are overlapping of two 13C signals:
- 175.5;
- 172.3;
- 171.4;
- 171.3;
- 170.7;
- 170.2;
- 169.9;
- 169.9*;
- 169.5;
- 169.0;
- 73.9;
- 70.0;
- 69.0;
- 66.8;
- 63.1;
- 60.0;
- 58.4;
- 58.3;
- 57.3;
- 55.9;
- 54.5;
- 44.5;
- 43.5;
- 39.4;
- 29.8;
- 25.4;
- 22.3;
- 19.9;
- 19.2;
- 19.2;
- and a pharmaceutically acceptable salt of antibiotic GE23077 factor B2.
Dependencies are inferred from the claim text.