6-O-substituted erythromycin ketolides having antibacterial activity
OwnerYat Sun Or, Zhenkun Ma +4inventors
InventorsYat Sun Or, Zhenkun Ma, Richard F. Clark, Daniel T. Chu, Jacob J. Plattner, George Griesgraber
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Abstract
Antimicrobial compounds having the formula ##STR1## as well as pharmaceutically acceptable salts, esters or prodrugs thereof; pharmaceutical compositions comprising such compounds; methods of treating bacterial infections by the administration of such compounds; and processes for the preparation of the compounds.
Claims4
A compound having the formula V ##STR49## or a pharmaceutically acceptable salt, ester or prodrug thereof, wherein R.sup.b is selected from the group consisting of hydroxy, --O--C(O)--NH.sub.2 and --O--C(O)-imidazolyl;
- R.sup.c is hydrogen or a hydroxy protecting group;
- and
- R is selected from the group consisting of
- (1) methyl substituted with a moiety selected from the group consisting of
- (a) --C.tbd.N,
- (b) F,
- (c) --CO.sub.2 R.sup.10 wherein R.sup.10 is C.sub.1 -C.sub.3 -alkyl or aryl substituted C.sub.1 -C.sub.3 -alkyl, or heteroaryl substituted C.sub.1 -C.sub.3 -alkyl,
- (d) S(O).sub.n R.sup.10 wherein n is 0, 1 or 2 and R.sup.10 is as previously defined,
- (e) NHC(O)R.sup.10 wherein R.sup.10 is as previously defined,
- (f) NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.3 -alkyl substituted with aryl, substituted aryl, heteroaryl, and substituted heteroaryl,
- (g) aryl,
- (h) substituted aryl,
- (i) heteroaryl, and
- (j) substituted heteroaryl,
- (2) C.sub.2 -C.sub.10 -alkyl,
- (3) C.sub.2 -C.sub.10 -alkyl substituted with one or more substituents selected from the group consisting of
- (a) halogen,
- (b) hydroxy,
- (c) C.sub.1 -C.sub.3 -alkoxy,
- (d) C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,
- (e) oxo,
- (f) --N.sub.3,
- (g) --CHO, and
- (h) O--SO.sub.2 -(substituted C.sub.1 -C.sub.6 -alkyl),
- (i) --NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are selected from the group consisting of
- (i) hydrogen,
- (ii) C.sub.1 -C.sub.12 -alkyl,
- (iii) substituted C.sub.1 --C.sub.12 -alkyl,
- (iv) C.sub.1 -C.sub.12 -alkenyl,
- (v) substituted C.sub.1 -C.sub.12 -alkenyl,
- (vi) C.sub.1 -C.sub.12 -alkynyl,
- (vii) substituted C.sub.1 -C.sub.12 -alkynyl,
- (viii) aryl,
- (ix) C.sub.3 -C.sub.8 -cycloalkyl,
- (x) substituted C.sub.3 -C.sub.8 -cycloalkyl,
- (xi) substituted aryl,
- (xii) heterocycloalkyl,
- (xiii) substituted heterocycloalkyl,
- (xiv) C.sub.1 -C.sub.12 -alkyl substituted with aryl,
- (xv) C.sub.1 -C.sub.12 -alkyl substituted with substituted aryl,
- (xvi) C.sub.1 -C.sub.12 -alkyl substituted with heterocycloalkyl,
- (xvii) C.sub.1 -C.sub.12 -alkyl substituted with substituted heterocycloalkyl,
- (xviii) C.sub.1 -C.sub.12 -alkyl substituted with C.sub.3 -C.sub.8 -cycloalkyl,
- (xix) C.sub.1 -C.sub.12 -alkyl substituted with substituted C.sub.3 -C.sub.8 -cycloalkyl,
- (xx) heteroaryl,
- (xxi) substituted heteroaryl,
- (xxii) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl, and
- (xxiii) C.sub.1 -C.sub.12 -alkyl substituted with substituted heteroaryl, or
- R.sup.13 and R.sup.14 are taken together with the atom to which they are attached form a 3-10 membered heterocycloalkyl ring which may be substituted with one or more substituents independently selected from the group consisting of
- (i) halogen,
- (ii) hydroxy,
- (iii) C.sub.1 -C.sub.3 -alkoxy,
- (iv) C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,
- (v) oxo,
- (vi) C.sub.1 -C.sub.3 -alkyl,
- (vii) halo-C.sub.1 -C.sub.3 -alkyl, and
- (vii) C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkyl,
- (j) --CO.sub.2 R.sup.10 wherein R.sup.10 is as previously defined,
- (k) --C(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (l) .dbd.N--O--R.sup.10 wherein R.sup.10 is as previously defined,
- (m) --C.tbd.N,
- (n) O--S(O).sub.n R.sup.10 wherein n is 0, 1 or 2 and R.sup.10 is as previously defined,
- (o) aryl,
- (p) substituted aryl,
- (q) heteroaryl,
- (r) substituted heteroaryl,
- (s) C.sub.3 -C.sub.8 -cycloalkyl,
- (t) substituted C.sub.3 -C.sub.8 -cycloalkyl,
- (u) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl,
- (v) heterocycloalkyl,
- (w) substituted heterocycloalkyl,
- (x) NHC(O)R.sup.10 where R.sup.10 is as previously defined,
- (y) NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (z) .dbd.N--NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are as previously defined,
- (aa) .dbd.N--R.sup.9 wherein R.sup.9 is selected from the group consisting of:
- (i) C.sub.1 -C.sub.6 -alkyl, optionally substituted with a substituent selected from the group consisting of
- (aa) aryl,
- (bb) substituted-aryl,
- (cc) heteroaryl, and
- (dd) substituted-heteroaryl,
- (ii) aryl,
- (iii) substituted-aryl,
- (iv) heteroaryl,
- (v) substituted-heteroaryl, and
- (vi) heterocycloalkyl,
- (bb) .dbd.N--NHC(O)R.sup.10 wherein R.sup.10 is as previously defined, and
- (cc) .dbd.N--NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined;
- (4) C.sub.3 -alkenyl substituted with a moiety selected from the group consisting of
- (a) halogen,
- (b) --CHO,
- (c) --CO.sub.2 R.sup.10 where R.sup.10 is as previously defined,
- (d) --C(O)--R.sup.9 where R.sup.9 is as previously defined,
- (e) --C(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (f) --C.tbd.N,
- (g) aryl,
- (h) substituted aryl,
- (i) heteroaryl,
- (j) substituted heteroaryl,
- (k) C.sub.3 -C.sub.7 -cycloalkyl, and
- (l) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl,
- (5) C.sub.4 -C.sub.10 -alkenyl;
- (6) C.sub.4 -C.sub.10 -alkenyl substituted with one or more substituents selected from the group consisting of
- (a) halogen,
- (b) C.sub.1 -C.sub.3 -alkoxy,
- (c) oxo,
- (d) --CHO,
- (e) --CO.sub.2 R.sup.10 where R.sup.10 is as previously defined,
- (f) --C(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (g) --NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are as previously defined,
- (h) .dbd.N--O--R.sup.10 where R.sup.10 is as previously defined,
- (i) --C.tbd.N,
- (j) O--S(O).sub.n R.sup.10 where n is 0, 1 or 2 and R.sup.10 is as previously defined,
- (k) aryl,
- (l) substituted aryl,
- (m) heteroaryl,
- (n) substituted heteroaryl,
- (o) C.sub.3 -C.sub.7 -cycloalkyl,
- (p) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl,
- (q) NHC(O)R.sup.10 where R.sup.10 is as previously defined,
- (r) NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (s) .dbd.N--NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are as previously defined,
- (t) .dbd.N--R.sup.9 wherein R.sup.9 is as previously defined,
- (u) .dbd.N--NHC(O)R.sup.10 where R.sup.10 is as previously defined, and
- (v) .dbd.N--NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined;
- (7) C.sub.3 -C.sub.10 -alkynyl;
- and
- (8) C.sub.3 -C.sub.10 -alkynyl substituted with one or more substituents selected from the group consisting of
- (a) trialkylsilyl,
- (b) aryl,
- (c) substituted aryl,
- (d) heteroaryl, and
- (e) substituted heteroaryl.
A process for preparing a compound having the formula ##STR51## or a pharmaceutically acceptable salt, ester or prodrug thereof, wherein R.sup.b is selected from the group consisting of hydroxy, --O--C(O)--NH.sub.2 and --O--C(O)-imidazolyl;
- R.sup.c is hydrogen or a hydroxy protecting group;
- R is selected from the group consisting of
- (1) methyl substituted with a moiety selected from the group consisting of
- (a) --C.tbd.N,
- (b) F,
- (c) --CO.sub.2 R.sup.10 wherein R.sup.10 is C.sub.1 -C.sub.3 -alkyl, aryl substituted C.sub.1 -C.sub.3 -alkyl, or heteroaryl substituted C.sub.1 -C.sub.3 -alkyl,
- (d) S(O).sub.n R.sup.10 wherein n is 0, 1 or 2 and R.sup.10 is as previously defined,
- (e) NHC(O)R.sup.10 wherein R.sup.10 is as previously defined,
- (f) NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.3 -alkyl substituted with aryl, substituted aryl, heteroaryl, and substituted heteroaryl,
- (g) aryl,
- (h) substituted aryl,
- (i) heteroaryl, and
- (j) substituted heteroaryl,
- (2) C.sub.2 -C.sub.10 -alkyl,
- (3) C.sub.2 -C.sub.10 -alkyl substituted with one or more substituents selected from the group consisting of
- (a) halogen,
- (b) hydroxy,
- (c) C.sub.1 -C.sub.3 -alkoxy,
- (d) C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,
- (e) oxo,
- (f) --N.sub.3,
- (g) --CHO,
- (h) O--SO.sub.2 -(substituted C.sub.1 -C.sub.6 -alkyl), and
- (i) --NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are selected from the group consisting of
- (i) hydrogen,
- (ii) C.sub.1 -C.sub.12 -alkyl,
- (iii) substituted C.sub.1 -C.sub.12 -alkyl,
- (iv) C.sub.1 -C.sub.12 -alkenyl,
- (v) substituted C.sub.1 -C.sub.12 -alkenyl,
- (vi) C.sub.1 -C.sub.12 -alkynyl,
- (vii) substituted C.sub.1 -C.sub.12 -alkynyl,
- (viii) aryl,
- (ix) C.sub.3 -C.sub.8 -cycloalkyl,
- (x) substituted C.sub.3 -C.sub.8 -cycloalkyl,
- (xi) substituted aryl,
- (xii) heterocycloalkyl,
- (xiii) substituted heterocycloalkyl,
- (xiv) C.sub.1 -C.sub.12 -alkyl substituted with aryl,
- (xv) C.sub.1 -C.sub.12 -alkyl substituted with substituted aryl,
- (xvi) C.sub.1 -C.sub.12 -alkyl substituted with heterocycloalkyl,
- (xvii) C.sub.1 -C.sub.12 -alkyl substituted with substituted heterocycloalkyl,
- (xviii) C.sub.1 -C.sub.12 -alkyl substituted with C.sub.3 -C.sub.8 -cycloalkyl,
- (xix) C.sub.1 -C.sub.12 -alkyl substituted with substituted C.sub.3 -C.sub.8 -cycloalkyl,
- (xx) heteroaryl,
- (xxi) substituted heteroaryl,
- (xxii) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl, and
- (xxiii) C.sub.1 -C.sub.12 -alkyl substituted with substituted heteroaryl, or
- R.sup.13 and R.sup.14 are taken together with the atom to which they are attached form a 3-10 membered heterocycloalkyl ring which may be substituted with one or more substituents independently selected from the group consisting of
- (i) halogen,
- (ii) hydroxy,
- (iii) C.sub.1 -C.sub.3 -alkoxy,
- (iv) C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,
- (v) oxo,
- (vi) C.sub.1 -C.sub.3 -alkyl,
- (vii) halo-C.sub.1 -C.sub.3 -alkyl, and
- (vii) C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkyl,
- (j) --CO.sub.2 R.sup.10 wherein R.sup.10 is as previously defined,
- (k) --C(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (l) .dbd.N--O--R.sup.10 wherein R.sup.10 is as previously defined,
- (m) --C.tbd.N,
- (n) O--S(O).sub.n R.sup.10 wherein n is 0, 1 or 2 and R.sup.10 is as previously defined,
- (o) aryl,
- (p) substituted aryl,
- (q) heteroaryl,
- (r) substituted heteroaryl,
- (s) C.sub.3 -C.sub.8 -cycloalkyl,
- (t) substituted C.sub.3 -C.sub.8 -cycloalkyl,
- (u) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl,
- (v) heterocycloalkyl,
- (w) substituted heterocycloalkyl,
- (x) NHC(O)R.sup.10 where R.sup.10 is as previously defined,
- (y) NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (z) .dbd.N--NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are as previously defined,
- (aa) .dbd.N--R.sup.9 wherein R.sup.9 is selected from the group consisting of:
- (i) C.sub.1 -C.sub.6 -alkyl, optionally substituted with a substituent selected from the group consisting of
- (aa) aryl,
- (bb) substituted-aryl,
- (cc) heteroaryl, and
- (dd) substituted-heteroaryl,
- (ii) aryl,
- (iii) substituted-aryl,
- (iv) heteroaryl,
- (v) substituted-heteroaryl, and
- (vi) heterocycloalkyl,
- (bb) .dbd.N--NHC(O)R.sup.10 wherein R.sup.10 is as previously defined, and
- (cc) .dbd.N--NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined;
- (4) C.sub.3 -alkenyl substituted with a moiety selected from the group consisting of
- (a) halogen,
- (b) --CHO,
- (c) --CO.sub.2 R.sup.10 where R.sup.10 is as previously defined,
- (d) --C(O)--R.sup.9 where R.sup.9 is as previously defined,
- (e) --C(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (f) --C.tbd.N,
- (g) aryl,
- (h) substituted aryl,
- (i) heteroaryl,
- (j) substituted heteroaryl,
- (k) C.sub.3 -C.sub.7 -cycloalkyl, and
- (l) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl,
- (5) C.sub.4 -C.sub.10 -alkenyl;
- (6) C.sub.4 -C.sub.10 -alkenyl substituted with one or more substituents selected from the group consisting of
- (a) halogen,
- (b) C.sub.1 -C.sub.3 -alkoxy,
- (c) oxo,
- (d) --CHO,
- (e) --CO.sub.2 R.sup.10 where R.sup.10 is as previously defined,
- (f) --C(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (g) --NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are as previously defined,
- (h) .dbd.N--O--R.sup.10 where R.sup.10 is as previously defined,
- (i) --C.tbd.N,
- (j) O--S(O).sub.n R.sup.10 where n is 0, 1 or 2 and R.sup.10 is as previously defined,
- (k) aryl,
- (l) substituted aryl,
- (m) heteroaryl,
- (n) substituted heteroaryl,
- (o) C.sub.3 -C.sub.7 -cycloalkyl,
- (p) C.sub.1 -C.sub.12 -alkyl substituted with heteroaryl,
- (q) NHC(O)R.sup.10 where R.sup.10 is as previously defined,
- (r) NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined,
- (s) .dbd.N--NR.sup.13 R.sup.14 wherein R.sup.13 and R.sup.14 are as previously defined,
- (t) .dbd.N--R.sup.9 wherein R.sup.9 is as previously defined,
- (u) .dbd.N--NHC(O)R.sup.10 where R.sup.10 is as previously defined, and
- (v) .dbd.N--NHC(O)NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12 are as previously defined;
- (7) C.sub.3 -C.sub.10 -alkynyl;
- and
- (8) C.sub.3 -C.sub.10 -alkynyl substituted with one or more substituents selected from the group consisting of
- (a) trialkylsilyl,
- (b) aryl,
- (c) substituted aryl,
- (d) heteroaryl, and
- (e) substituted heteroaryl;
- the method comprising:
- (a) treating a compound having the formula ##STR52## wherein R.sup.c is a hydroxy protecting group and R is as previously defined with a reagent combination selected from the group consisting of
- (1) an alkali metal hydride and a phosgene reagent selected from the group consisting of phosgene, diphosgene and triphosgene under anhydrous conditions, followed by aqueous base catalyzed decarboxylation, and
- (2) reaction with methanesulfonic anhydride in pyridine, followed by treatment with an amine base, to give the compound of formula V wherein R.sup.b is hydroxy;
- (b) optionally treating the compound of formula V of step (a) wherein R.sup.b is hydroxy with an alkali metal hydride base and carbonyldiimidazole to give the compound of formula V wherein R.sup.b is --O--C(O)-imidazolyl;
- (c) optionally treating the compound of formula V of step (b) wherein R.sup.b is --O--C(O)-imidazolyl with ammonia to give the compound of formula V wherein R.sup.b is --O--C(O)--NH.sub.2 ;
- and
- (d) optionally deprotecting and isolating the desired compound.
Dependencies are inferred from the claim text.