Process to produce oxazolidinones
AssigneePharmacia & Upjohn Company
InventorBruce Allen Pearlman
Life of this patent
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Abstract
The present invention includes a number of novel intermediates such as the (S)secondary alcohol of formula (VIIIA) X2—CH2—C*H(OH)—CH2—NH—CO—RN (VIIIA) and processes for production of pharmacologically useful oxazolidinones.
Claims53
An (S)-secondary alcohol of formula (VIIIA)
- X2—CH2—C*H(OH)—CH2—NH—CO—RN (VIIIA)
- where:
- (I) RN is C1-C5 alkyl;
- (II) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—.
An (S)-epoxide of formula (VIIIB)
- —O#—CH2—*#H—CH2—NH—CO—RN (VIIIB)
- where:
- (I) where RN is C1-C5 alkyl;
- (II) where # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring.
An (S)-ester of formula (VIIIC)
- X2—CH2—C*H(O—CO—RN)—CH2—NH—CO—RN (VIIIC)
- where:
- (I) where RN is C1-C5 alkyl;
- (II) where X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—.
A compound selected from the group consisting of:
- (1) an (S)-protected alcohol of the formula (IVA)
- X2—CH2—C*H(OH)—CH2—N═CH—X0 (IVA)
- where:
- (I) X0 is:
- (A) -φ,
- (B) o-hydroxyphenyl,
- (C) o-methoxyphenyl,
- (D) p-methoxyphenyl;
- (II) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—;
- (2) an (S)-phthalimide alcohol of the formula (IVC)
- 6
- where:
- (A) X2 is as defined above;
- (3) an (S)-phthalimide epoxide of the formula (IVD)
- 7
- where:
- (A) where # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring,
- (4) an (S)-imine of glydidylamine of the formula (IVB)
- —O#—CH2—C*#H—CH2—N═CH—X0 (IVB)
- where where X0 and # are as defined above.
An (S)-intermediate of the formula (XV)
- Roxa—NH—CO—O—C*H[—CH2—X2][—CH2—NH—CO—RN] (XV)
- where:
- (I) Roxa is phenyl substituted with one —F and one substituted amino group;
- (II) RN is C1-C5 alkyl;
- (III) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—.
An (S)-oxazolidinone phthalamide intermediate of the formula (XVI)
- 8
- where:
- (I) Roxa is phenyl substituted with one —F and one substituted amino group;
- (II) X2 is:
- (A) —Cl.
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—.
An oxazolidinone phthalamide intermediate (XVI) according to claim 21 where Roxa is:
- 3-fluoro-4-[4-(benzyloxycarbonyl)-1-piperazinyl]phenyl,
- 3-fluoro-4-(4-morpholinyl)phenyl and
- 3-fluoro-4-(4-hydroxyacetylpiperaziny)lphenyl.
A process for the preparation of a (S)-3-carbon amino alcohol of the formula (V)
- X2—CH2—C*H(OH)—CH2—NH3+ (V)
- where X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2— which comprises:
- (1) contacting a non-nitrogen adduct of formula (I)
- O═CH—X0 (I)
- where X0 is:
- (A) -φ,
- (B) o-hydroxyphenyl,
- (C) o-methoxyphenyl,
- (D) p-methoxyphenyl;
- with aqueous ammonia (II) in the presence of an (S)-protected-epoxide of formula (III)
- X2—CH2—C#H—CH2—O#— (III)
- where:
- (I) # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring;
- (H) X2 is as defined above,
- (2) contacting the reaction mixture of step (1) with acid.
A process for the preparation of an (S)-3carbon amino alcohol of the formula (V)
- X2—CH2—C*H(OH)—CH2—NH3+ (V)
- where:
- (I) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2— which comprises:
- (1) contacting phthalimide (VI)
- with an (S)-protected-epoxide of formula (III)
- X2—CH2—C*#H—CH2—O#— (III)
- in the presence of potassium phthalamide in DMF or DMAC where:
- (I) # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring;
- (II) X2 is as defined above;
- to give an (S)-phthalimide alcohol of formula (IVC)
- 9
- where X2 is as defined above and
- (2) contacting the product of step (1) with aqueous acid.
A process for the preparation of a secondary alcohol of the formula (VIIIA)
- X2—CH2—C*H(OH)—CH2—NH—CO—RN (VIIIA)
- where:
- (I) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—;
- (II) RN is C1-C5 alkyl;
- which comprises:
- (1) contacting an (S)-3-carbon amino alcohol of the formula (V)
- X2—CH2—C*H(OH)—CH2—NH3+ (V)
- where X2 is as defined above with an acylating agent selected from the group consisting of an acid anhydrid of the formula O(CO—RN) where RN is as defined above or an acid halide of the formula RN—CO—X4 where X4 is —Cl or —Br and where RN is as defined above and a tri(alkyl)amine where alkyl is C1-C5.
A process for the production of an (S)-oxazolidinone-CH2—NH—CO—RN of formula (X)
- Roxa-RING-CH2—NH—CO—RN (X)
- where:
- (I) RN is C1-C5 alkyl;
- (II) Roxa is phenyl substituted with one —F and one substituted amino group;
- which comprises:
- (1) contacting a carbamate of formula (IX)
- Roxa—NH—CO—O—CH2—X1 (IX)
- where:
- (I) X1 is:
- (A) C1-C20 alkyl,
- (B) C3-C7 cycloalkyl,
- (C) φ- optionally substituted with one or two:
- (1) C1-C3 alkyl,
- (2) F—, Cl—, Br—, I—,
- (D) CH2═CH—CH2—,
- (E) CH3—CH═CH—CH2—,
- (F) (CH3)2C═CH—CH2—,
- (G) CH2═CH—,
- (H) φ-CH═CH—CH2—,
- (I) φ-CH2— optionally substituted on φ- with one or two —Cl. C1-C4 alkyl, —NO2, —CN, —CF3,
- (J) 9-fluorenylmethyl,
- (K) (Cl)3C—CH2—,
- (L) 2-trimethylsilylethyl,
- (M) φ-CH2—CH2—,
- (N) 1-adamantyl,
- (O) (φ)2CH—,
- (P) CH≡C—C(CH3)2—,
- (Q) 2-furanylmethyl,
- (R) isobornyl,
- (S) —H;
- (II) Roxa is as defined above;
- with an oxygenated amino reagent selected from the group consisting of:
- (1) an (S)-secondary alcohol of the formula (VIIIA)
- X2—CH2—C*H(OH)—CH2—NH—CO—RN (VIIIA)
- where:
- X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—;
- (II) RN is as defined above;
- or an (S)-epoxide of the formula (VIIIB)
- —O#—CH2—C*#H—CH2—NH—CO—RN (VIIIB)
- where:
- (I) # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring,
- (II) RN is as defined above;
- or an (S)-ester of the formula (VIIIC)
- X2—CH2—C*H(O—CO—RN)—CH2—NH—CO—RN (VIIIC)
- where:
- (I) RN and X2 are as defined above;
- in the presence of a lithium cation and a base whose conjugate acid has a pKa of greater than about 8.
A process for the production of an (S)-oxazolidinone-CH2—NH—CO—RN of formula (X)
- Roxa-RING-CH2—NH—CO—RN (X)
- where:
- (I) RN is C1-C5 alkyl;
- (II) Roxa is phenyl substituted with one —F and on substituted amino group which comprises:
- (1) contacting a carbamate of formula (IX)
- Roxa—NH—CO—O—CH2—X1 (IX)
- where:
- (I) X1 is:
- (A) C1-C20 alkyl.
- (B) C3-C7 cycloalkyl,
- (C) φ- optionally substituted with one or two:
- (1) C1-C3 alkyl,
- (2) F—, Cl—, Br—, I—,
- (D) CH2═CH—CH2—,
- (E) CH3—CH═CH—CH2—,
- (F) (CH3)2C═CH—CH2—,
- (G) CH2═CH—,
- (H) φ-CH═CH—CH2—,
- (I) φ-CH2— optionally substituted on φ- with one or two —Cl, C1-C4 alkyl, —NO2, —CN, —CF3,
- (J) 9-fluorenylmethyl,
- (K) (Cl)3C—CH2—,
- (L) 2-trimethylsilylethyl,
- (M) φ-CH2—CH2—,
- (N) 1-adamantyl,
- (O) (φ)2CH—,
- (P) CH≡C—C(CH3)2—,
- (Q) 2-furanylmethyl,
- (R) isobornyl,
- (S) —H;
- (II) Roxa is as defined above;
- with a phthalimide reagent selected from th group consisting of:
- (1) a phthalimide alcohol of the formula (IVC)
- 10
- where:
- (I) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—;
- (2) a phthalimide epoxide of the formula (IVD)
- 11
- where # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring to give the ring-phthalimide compound of formula (XI)
- 12
- where Roxa is as defined above, in the presence of a lithium cation and a base whose conjugate acid has a pKa of greater than about 8,
- (2) contacting the product of step (1) with aqueous acid,
- (3) contacting the reaction mixture of step (2) with an acid anhydride of th formula O(CO—RN)2 where RN is as defined above or an acid halide of the formula RN—CO—X4 where X4 is —Cl or —Br and where RN is as defined above and a tri(alkyl)amine where alkyl is C1-C5.
A process for the production of an (S)—Roxa-RING-CH2—NH—CO—RN of the formula (X)
- Roxa-RING-CH2—NH—CO—RN (X)
- where:
- (I) RN is C1-C5 alkyl;
- (II) Roxa is phenyl substituted with one —F and one substituted amino group which comprises:
- (1) contacting a carbamate of the formula (IX)
- Roxa—NH—CO—O—X1 (IX)
- where:
- (I) X1 is
- (A) C1-C20 alkyl,
- (B) C3-C7 cycloalkyl,
- (C) φ- optionally substituted with one or two:
- (1) C1-C3 alkyl,
- (2) F—, Cl—, Br—, I—,
- (D) CH2═CH—CH2—,
- (E) CH3—CH═CH —CH2—,
- (F) (CH3)2C═CH—CH2—,
- (G) CH2═CH—,
- (H) φ-CH ═CH—CH2—,
- (I) φ-CH2— optionally substituted on φ- with one or two —Cl, C1-C4 alkyl, —NO2, —CN, —CF3,
- (J) 9-fluorenylmethyl,
- (K) (Cl)3C—CH2—,
- (L) 2-trimethylsilylethyl,
- (M) φ-CH2—CH2—,
- (N) 1-adamantyl,
- (O) (φ)2CH—,
- (P) CH≡C—C(CH3)2—,
- (Q) 2-furanylmethyl,
- (R) isobornyl,
- (S) —H;
- (II) Roxa is as defined above;
- with a compound selected from the group consisting of a (S)-protected alcohol of the formula (IVA)
- X2—CH2-C*H(OH)—CH2—N═CH—X0 (IVA)
- where:
- (I) X0 is:
- (A) -φ,
- (B) o-hydroxyphenyl,
- (C) o-methoxyphenyl,
- (D) p-methoxyphenyl;
- (II) X2 is:
- (A) —Cl,
- (B) —Br,
- (C) p-CH3-φ-SO2—,
- (D) m-NO2-φ-SO2—;
- and a (S)-3-carbon protected epoxide of the formula (IVB)
- —O#—CH2—C*#H—CH2—N═CH—X0 (IVB)
- where:
- (I) # indicates that the atoms marked with a (#) are bonded to each other resulting in the formation of a ring,
- (II) X0 is as defined above in th presence of a lithium cation and a base whose conjugate acid has a pKa of greater than about 8 to produce a (S)-protected oxazolidinone of the formula (XII)
- Roxa-RING-CH2—N═CH—X0 (XII)
- where X0 and Roxa are as defined above;
- (2) contacting the reaction mixture of step (1) with aqueous acid to produce an (S)-oxazolidinone free amine of the formula (XIII) and
- Roxa-RING-CH2—NH2 (XIII)
- (3) contacting the product of step (2) with an acylating agent selected from the group consisting of an acid anhydride of the formula O(CO—RN)2 where RN is as defined above or an acid halide of the formula RN—CO—X4 where X4 is —Cl or —Br and where RN is as defined above and a tri(alkyl)amine where alkyl is C1-C5 where Roxa is as defined above.
A process for the production of an (S)-Roxa-RING-CH2—NH—CO—RN of the formula (X)
- Roxa-RING—CH2—NH—CO—RN (X)
- where:
- (I) RN is C1-C5 alkyl;
- (II) Roxa is phenyl substituted with one —F and one substituted amino group which comprises:
- (1) contacting a carbamate of the formula (IX)
- Roxa-NH—CO—O—CH2—X1 (IX)
- where:
- (I) X1 is:
- (A) C1-C20 alkyl,
- (B) C3-C7 cycloalkyl,
- (C) φ- optionally substituted with one or two:
- (1) C1-C3 alkyl,
- (2) F—, Cl—, Br—, I—,
- (D) CH2═CH—CH2—,
- (E) CH3—CH═CH—CH2—,
- (F) (CH3)2C═CH—CH2—,
- (G) CH2═CH—,
- (H) φ-CH═CH—CH2—,
- (I) φ-CH2— optionally substituted on φ- with one or two —Cl, C1-C4 alkyl, —NO2, —CN, —CF3,
- (J) 9-fluorenylmethyl,
- (K) (Cl)3C—CH2—,
- (L) 2-trimethylsilylethyl,
- (M) φ-CH2—CH2—,
- (N) 1-adamantyl,
- (O) (φ)2CH—,
- (P) CH≡C—C(CH3)2—,
- (Q) 2-furanylmethyl,
- (R) isobornyl,
- (S) —H;
- (II) Roxa is as defined above;
- with an (S)-3-carbon amino alcohol (V) wh re X2 is as defined above in the presence of a lithium cation and a base whose conjugate acid has a pKa of greater than about 8 to produce an (S)-oxazolidinone free amine of the formula (XIII)
- Roxa-RING-CH2—NH2 (XIII)
- where Roxa is as defined above, and
- (2) acylating the (S)-oxazolidinone free amine (XIII) with an acylating agent selected from the group consisting of an acid anhydride of the formula O(CO—RN)2 where RN is as defined above or an acid halide of the formula RN—CO—X4 where X4 is —Cl or —Br and where RN is as defined above and a tri(alkyl)amine where alkyl is C1-C5.
Dependencies are inferred from the claim text.