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EP0266950A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Nor-statine and nor-cyclostatine polypeptides

Assignee: Pfizer Inc
•
Filing: 1987-10-27
•
Granted: —
•
Expires: 2007-10-27
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Abstract

Abstract Polypeptides and derivatives thereof containing nor-statine and nor-cyclostatine are useful for inhibiting the angiotensinogen-cleaving action of the enzyme renin.

Inventors

  • 👤 Dennis Jay Hoover
  • 👤 Ronald Thure Wester
  • 👤 Robert Louis Rosati

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 13:17
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/04; C07K7/14; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/205; A; A61; A61P; A61P43/00; A61P9/00; A61P9/12; C07D265/00; C07D265/28; C07D265/30; C07D265/32; C07D295/04; C07D295/14; C07D295/145; C07K5/00; C07K5/02; C07K5/0202; C07K5/0227; C07K5/04; C07K5/06; C07K5/06008; C07K5/06078; C07K5/06139; A61K; A61K38/00

Claims Analysis

Total Claims: 38
Claim 1
Independent Claim 489 words
A compound of the formulae and and a pharmaceutically acceptable salt thereof, wherein Z is R 1 -(Y) m -(A) p , where R 1 is (C 1 -C 6 )alkyl, amino, (C 1 -C 4 )alkoxy, (C 1 -C 4 )alkylamino, (C 1 -C 3 )alkoxy(C 2 -C 4 )alkyleneamino, carboxy(C 1 -C 4 )alkyl, hydroxy(C 2 -C 4 )-alkyleneamino, (C 1 -C 3 )alkoxyCOCH 2 N(CH 3 ), amino(C 1 -C 5 )alkyl, morpholino, piperidyl, hydroxypiperidino, 4- oxopiperidino, piperazino, 4-oxopiperidino ethylene ketal 4-(C 1 -C 3 )alkylpiperazino, thiomorpholino, thiomorpholino 1-oxide, thiomorpholino 1,1-dioxide, N-(C 1 -C 4 )alkoxycarbonylpiperidyl, 4-(C 1 -C 4 )-alkoxycarbonylpiperazino, 3-oxomorpholino, 3,5-dioxomorpholino, hydroxypyridyl, pyridyl, (s)-pyrrolid-2-yl, N-t-butoxycarbonyl-(s)-pyrrolid-2-yl, (C 1 -C 3 )alkoxycarbonyl-(s)-pyrrolid-2-yl or 4-(Ci-C 4 )alkanoylpiperazino; Y is C=O, P(OCH 3 ) = O or SO 2 ; A is N(CH 3 ), NH or 0; m and p are each integers of 0 or 1; M is phenyl, benzyl, naphthyl, thienyl, methoxyphenyl, hydroxyphenyl, chlorophenyl or (C 6 -C 7 )cycloalkyl; Q is methyl or hydrogen; R 2 is (C 1 -C 5 )alkyl, (C 1 -C 3 )alkylthio(C 1 -C 2 )alkyl, (C 1 -C 3 )alkoxy(C 1 -C 2 )alkyl, benzyloxy(C 1 -C 2 )alkyl, benzyl, hydroxy(C 1 -C 2 )alkyl, carboxy(C 1 -C 2 )alkyl, guanido(Ci-C 3 )alkyl, (C 1 -C 3 )alkylsulfinyl(C 1 -C 2 )alkyl, (C 1 -C 3 )-alkylsulfonyl(C 1 -C 2 )alkyl, 4-benzyloxycarbonylaminobutyl, 4-aminobutyl, imidazol-4-ylmethyl, N-t - butoxycarbonylimidazol-4-ylmethyl or carbamyl(C 1 -C 2 )alkyl; X is cyclohexyl, i-propyl or phenyl; W is (C 1 -C 3 )-alkyldi(Ci-C 2 )alkyl amino, CH|||OCO(C 1 -C 3 )alkylpiperidino, CH|||OH, C = O, CH|||N 3 , CH N3, CH NH 2 , CH|||NH 2 , C(CH 3 )|||OH, C(CH 3 ) OH, CH|||OCO(C 1 -C 2 )alkyl or CH|||OCO(C 1 -C 2 )alkylene CO 2 H; Z 1 is CH 2 0H or R-S-T where R is C=0, S is 0, NH, N(CH 3 ), CH 2 or a chemical bond linking R and T; T is (C 1 -C 5 )alkyl, hydroxy(C 1 -C 4 )alkyl, CONH-(C 1 -C 4 )alkyl, hydrogen, trifluoroethyl, (C 6 -C 7 )cycloalkyl, (C 6 -C 7 )-cycloalkylmethyl, phenyl, benzyl, amino(C 2 -C 5 )alkyl, 0-(C 1 -C 2 )alkyl hydroxylamino, morpholino, 4-(C 1 -C 2 )-alkylpiperazino or omega-di(C 1 -C 2 )alkylamino(C 3 -C 5 )alkyl; L is CH or N; R 5 is imidazol-4-ylmethyl or (C 2 -C 5 )-alkyl; and R 6 is (C 1 -C 4 )alkoxy or (C 1 -C 4 )alkylamino with the provi-so that when m is 0, p is 0; when A is O, Y is C=O; when T is CONH-(C 1 -C 4 )alkyl, S is NH, N(CH 3 ) or CH 2 ; and when T is (C 2 -C 5 )alkylamino, O-(C 1 -C 2 )-alkyl hydroxylamino, morpholino or 4-(C 1 -C 2 )alkylpiperazino, S is CH 2 or a chemical bond linking R and T.
Claim 2
Dependent Claim 489 words
A compound of the formulae and and a pharmaceutically acceptable salt thereof, wherein Z is R 1 -(Y) m -(A) p , where R 1 is (C 1 -C 6 )alkyl, amino, (C 1 -C 4 )alkoxy, (C 1 -C 4 )alkylamino, (C 1 -C 3 )alkoxy(C 2 -C 4 )alkyleneamino, carboxy(C 1 -C 4 )alkyl, hydroxy(C 2 -C 4 )-alkyleneamino, (C 1 -C 3 )alkoxyCOCH 2 N(CH 3 ), amino(C 1 -C 5 )alkyl, morpholino, piperidyl, hydroxypiperidino, 4- oxopiperidino, piperazino, 4-oxopiperidino ethylene ketal 4-(C 1 -C 3 )alkylpiperazino, thiomorpholino, thiomorpholino 1-oxide, thiomorpholino 1,1-dioxide, N-(C 1 -C 4 )alkoxycarbonylpiperidyl, 4-(C 1 -C 4 )-alkoxycarbonylpiperazino, 3-oxomorpholino, 3,5-dioxomorpholino, hydroxypyridyl, pyridyl, (s)-pyrrolid-2-yl, N-t-butoxycarbonyl-(s)-pyrrolid-2-yl, (C 1 -C 3 )alkoxycarbonyl-(s)-pyrrolid-2-yl or 4-(Ci-C 4 )alkanoylpiperazino; Y is C=O, P(OCH 3 ) = O or SO 2 ; A is N(CH 3 ), NH or 0; m and p are each integers of 0 or 1; M is phenyl, benzyl, naphthyl, thienyl, methoxyphenyl, hydroxyphenyl, chlorophenyl or (C 6 -C 7 )cycloalkyl; Q is methyl or hydrogen; R 2 is (C 1 -C 5 )alkyl, (C 1 -C 3 )alkylthio(C 1 -C 2 )alkyl, (C 1 -C 3 )alkoxy(C 1 -C 2 )alkyl, benzyloxy(C 1 -C 2 )alkyl, benzyl, hydroxy(C 1 -C 2 )alkyl, carboxy(C 1 -C 2 )alkyl, guanido(Ci-C 3 )alkyl, (C 1 -C 3 )alkylsulfinyl(C 1 -C 2 )alkyl, (C 1 -C 3 )-alkylsulfonyl(C 1 -C 2 )alkyl, 4-benzyloxycarbonylaminobutyl, 4-aminobutyl, imidazol-4-ylmethyl, N-t - butoxycarbonylimidazol-4-ylmethyl or carbamyl(C 1 -C 2 )alkyl; X is cyclohexyl, i-propyl or phenyl; W is (C 1 -C 3 )-alkyldi(Ci-C 2 )alkyl amino, CH|||OCO(C 1 -C 3 )alkylpiperidino, CH|||OH, C = O, CH|||N 3 , CH N3, CH NH 2 , CH|||NH 2 , C(CH 3 )|||OH, C(CH 3 ) OH, CH|||OCO(C 1 -C 2 )alkyl or CH|||OCO(C 1 -C 2 )alkylene CO 2 H; Z 1 is CH 2 0H or R-S-T where R is C=0, S is 0, NH, N(CH 3 ), CH 2 or a chemical bond linking R and T; T is (C 1 -C 5 )alkyl, hydroxy(C 1 -C 4 )alkyl, CONH-(C 1 -C 4 )alkyl, hydrogen, trifluoroethyl, (C 6 -C 7 )cycloalkyl, (C 6 -C 7 )-cycloalkylmethyl, phenyl, benzyl, amino(C 2 -C 5 )alkyl, 0-(C 1 -C 2 )alkyl hydroxylamino, morpholino, 4-(C 1 -C 2 )-alkylpiperazino or omega-di(C 1 -C 2 )alkylamino(C 3 -C 5 )alkyl; L is CH or N; R 5 is imidazol-4-ylmethyl or (C 2 -C 5 )-alkyl; and R 6 is (C 1 -C 4 )alkoxy or (C 1 -C 4 )alkylamino with the provi-so that when m is 0, p is 0; when A is O, Y is C=O; when T is CONH-(C 1 -C 4 )alkyl, S is NH, N(CH 3 ) or CH 2 ; and when T is (C 2 -C 5 )alkylamino, O-(C 1 -C 2 )-alkyl hydroxylamino, morpholino or 4-(C 1 -C 2 )alkylpiperazino, S is CH 2 or a chemical bond linking R and T.
Claim 3
Dependent Claim 40 words
A compound of claim 1, formula I, wherein Y is C=0, A is NH, Q is hydrogen, X is cyclohexyl, W is CH|||OH, R is C=O, T is benzyl or (Ci-C 5 )alkyl and m and p are each 1.
Claim 4
Dependent Claim 28 words
The compound of claim 2, wherein R 1 is morpholino, M is 2-thienyl, R 2 is CH 3 SCH 2 -, S is 0 and T is i-propyl.
Claim 5
Dependent Claim 25 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is n-propyl, S is O and T is i- propyl.
Claim 6
Dependent Claim 29 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is CH 3 SCH 2 -, S is O and T is i- propyl.
Claim 7
Dependent Claim 24 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is n-butyl, S is 0 and T is methyl.
Claim 8
Dependent Claim 24 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is n-butyl, S is NH and T is methyl.
Claim 9
Dependent Claim 34 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is n-butyl, S is a chemical bond linking R and T and T is CH 2 CH(CH 3 )2.
Claim 10
Dependent Claim 25 words
The compound of claim 2, wherein R 1 is 2-pyrrolidyl, M is phenyl, R 2 is CH3SCH2-, S is 0 and T is i- propyl.
Claim 11
Dependent Claim 29 words
The compound of claim 2, wherein R 1 is 4-pyridyl, M is phenyl, R 2 is CH 2 SCH 2 -, S is O and T is i- propyl.
Claim 12
Dependent Claim 29 words
The compound of claim 2, wherein R 1 is piperazino, M is phenyl, R 2 is CH 3 SCH 2 -, S is O and T is i- propyl.
Claim 13
Dependent Claim 36 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is CH3SCH2-, S is a chemical bond linking R and T and T is -CH 2 CH(CH 3 ) 2 .
Claim 14
Dependent Claim 28 words
The compound of claim 2, wherein R 1 is 4-hydroxypiperidino, M is phenyl, R 2 is CH 3 SCH 2 -, S is O and T is i-propyl.
Claim 15
Dependent Claim 27 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is HOCH 2 -, S is O and T is i- propyl.
Claim 16
Dependent Claim 30 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is CH 2 O(CH 2 ) 2 )-, S is 0 and T is i-propyl.
Claim 17
Dependent Claim 24 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is CH3SCH2-, S is O and T is benzyl.
Claim 18
Dependent Claim 28 words
The compound of claim 2, wherein R 1 is morpholino, M is 4-hydroxyphenyl, R 2 is CH 3 SCH 2 -, S is O and T is i-propyl.
Claim 19
Dependent Claim 24 words
The compound of claim 2, wherein R 1 is morpholino, M is 4-methoxyphenyl, R 2 is n-butyl, S is 0 and T is methyl.
Claim 20
Dependent Claim 24 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is methyl, S is 0 and T is i-propyl.
Claim 21
Dependent Claim 25 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is n-butyl, S is 0 and T is i- propyl.
Claim 22
Dependent Claim 25 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is n-butyl, S is O and T is i- propyl.
Claim 23
Dependent Claim 29 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is CH 3 OCH 2 -, S is O and T is i- propyl.
Claim 24
Dependent Claim 30 words
The compound of claim 2, wherein R 1 is morpholino, M is phenyl, R 2 is CH 3 CH 2 OCH 2 -, S is 0 and T is i-propyl.
Claim 25
Dependent Claim 33 words
A compound of claim 1, formula I, wherein M is phenyl, S is a chemical bond linking R and T, T is (C 1 -C 5 )alkyl and R is C = O.
Claim 26
Dependent Claim 25 words
A method of treating hypertension in a mammal which comprises administering to said mammal an antihypertensive effective amount of a compound according to claim 1.
Claim 27
Dependent Claim 22 words
A pharmaceutical composition comprising an antihypertensive effective amount of a compound according to claim 1 and a pharmaceutically acceptable diluent or carrier.
Claim 28
Dependent Claim 8 words
Claims for the following contracting States: GR, ES
Claim 29
Dependent Claim 566 words
A process for preparing a compound of the formulae and wherein Z is R 1 -(Y) m -(A) p , where R 1 is (C 1 -C 6 )alkyl, amino, (C 1 -C 4 )alkoxy, (C 1 -C 4 )alkylamino, (C 1 -C 3 )alkoxy(C 2 -C 4 )alkyleneamino, carboxy(C 1 -C 4 )alkyl, hydroxy(C 2 -C 4 )alkyleneamino, (Ci-C 3 )alkoxyCOCH 2 N(CH 3 ), amino(C 1 -C 5 )alkyl, morpholino, piperidyl, hydroxypiperidino, 4-oxopiperidino, piperazino, 4-oxopiperidino ethylene ketal 4-(C 1 -C 3 )alkylpiperazino, thiomorpholino, thiomorpholino 1-oxide, thiomorpholino 1,1-dioxide, N-(C 1 -C 4 )-alkoxycarbonylpiperidyl, 4-(C 1 -C 4 )alkoxycarbonylpiperazino, 3-oxomorpholino, 3,5-dioxomorpholino, hydroxypyridyl, pyridyl, (s)-pyrrolid-2-yl, N-t-butoxycarbonyl-(s)-pyrrolid-2-yl, (C 1 -C 3 )alkoxycarbonyl-(s)-pyrrolid-2-yl or 4-(C 1 -C 4 )alkanoylpiperazino; Y is C = 0, P(OCH 3 ) = 0 or SO 2 ; A is N(CH 3 ), NH or 0; m and p are each integers of 0 or 1; M is phenyl, benzyl, naphthyl, thienyl, methoxyphenyl, hydroxyphenyl, chlorophenyl or (C 6 -C 7 )cycloalkyl; Q is methyl or hydrogen; R 2 is (C 1 -C 5 )alkyl, (C 1 -C 3 )alkylthio(C 1 -C 2 )alkyl, (C 1 -C 3 )alkoxy(C 1 -C 2 )alkyl, benzyloxy(C 1 -C 2 )alkyl, benzyl, hydroxy(Ci-C 2 )alkyl, carboxy(C 1 -C 2 )alkyl, guanido(C 1 -C 3 )alkyl, (Ci-C 3 )-alkylsulfinyl(C 1 -C 2 )alkyl, (C 1 -C 3 )alkylsulfonyl(C 1 -C 2 )alkyl, 4-benzyloxycarbonylaminobutyl, 4-aminobutyl, imidazol-4-ylmethyl, N-t -butoxycarbonylimidazol-4-ylmethyl or carbamyl(C 1 -C 2 )alkyl; X is cyclohexyl, i- propyl or phenyl; W is CH|||OCO (C 1 -C 3 )alkyldi(C 1 -C 2 )alkylamino, CH|||OCO(C 1 -C 3 )alkylpiperidino, CH|||OH, C=O, CH|||N 3 , CH N 3 , CH NH 2 , CH|||NH 2 , C(CH 3 )|||OH, C(CH 3 ) OH, CH|||OCO(C 1 -C 2 )alkyl or CH|||OCO(C 1 -C 2 )alkylene C0 2 H; Z 1 is CH 2 0H or R-S-T where R is C=O, S is 0, NH, N(CH 3 ), CH 2 or a chemical bond linking R and T; T is (C 1 -C 5 )alkyl, hydroxy(C 1 -C 4 )alkyl, CONH-(C 1 -C 4 )alkyl, hydrogen, trifluoroethyl, (C 6 -C 7 )cycloalkyl, (C 6 -C 7 )cycloalkylmethyl, phenyl, benzyl, amino(C 2 -C 5 )alkyl, O-(C 1 -C 2 )alkyl hydroxylamino, morpholino, 4-(C 1 -C 2 )alkylpiperazino or omega-di(C 1 -C 2 )alkylamino(C 3 -C 5 )alkyl; L is CH or N; R 5 is imidazol-4-ylmethyl or (C 2 -C 5 )alkyl; and R 6 is (C 1 -C 4 )alkoxy or (C 1 -C 4 )alkylamino with the proviso that when m is 0, p is 0; when A is 0, Y is C=O; when T is CONH-(C 1 -C 4 ) alkyl, S is NH, N(CH 3 ) or CH 2 ; and when T is (C 2 -C 5 ) alkylamino, O-(C 1 -C 2 )alkyl hydroxylamino, morpholino or 4-(C 1 -C 2 )alkylpiperazino, S is CH 2 or a chemical bond linking R and T, characterized by the formation of an amide bond, C(O)N, by dehydrative-coupling wherein the functional groups not involved in the reaction may be blocked, followed by the optional steps of 1) selectively removing the blocking groups 2) oxidizing a sulfide group to sulfoxide or sulfone 3) oxidizing W wherein it is CH|||||OH or CH OH to C = 0 4) acylating W wherein it is CH|||||OH and, if desired, making a pharmaceutically acceptable salt of the product.
Claim 30
Dependent Claim 566 words
A process for preparing a compound of the formulae and wherein Z is R 1 -(Y) m -(A) p , where R 1 is (C 1 -C 6 )alkyl, amino, (C 1 -C 4 )alkoxy, (C 1 -C 4 )alkylamino, (C 1 -C 3 )alkoxy(C 2 -C 4 )alkyleneamino, carboxy(C 1 -C 4 )alkyl, hydroxy(C 2 -C 4 )alkyleneamino, (Ci-C 3 )alkoxyCOCH 2 N(CH 3 ), amino(C 1 -C 5 )alkyl, morpholino, piperidyl, hydroxypiperidino, 4-oxopiperidino, piperazino, 4-oxopiperidino ethylene ketal 4-(C 1 -C 3 )alkylpiperazino, thiomorpholino, thiomorpholino 1-oxide, thiomorpholino 1,1-dioxide, N-(C 1 -C 4 )-alkoxycarbonylpiperidyl, 4-(C 1 -C 4 )alkoxycarbonylpiperazino, 3-oxomorpholino, 3,5-dioxomorpholino, hydroxypyridyl, pyridyl, (s)-pyrrolid-2-yl, N-t-butoxycarbonyl-(s)-pyrrolid-2-yl, (C 1 -C 3 )alkoxycarbonyl-(s)-pyrrolid-2-yl or 4-(C 1 -C 4 )alkanoylpiperazino; Y is C = 0, P(OCH 3 ) = 0 or SO 2 ; A is N(CH 3 ), NH or 0; m and p are each integers of 0 or 1; M is phenyl, benzyl, naphthyl, thienyl, methoxyphenyl, hydroxyphenyl, chlorophenyl or (C 6 -C 7 )cycloalkyl; Q is methyl or hydrogen; R 2 is (C 1 -C 5 )alkyl, (C 1 -C 3 )alkylthio(C 1 -C 2 )alkyl, (C 1 -C 3 )alkoxy(C 1 -C 2 )alkyl, benzyloxy(C 1 -C 2 )alkyl, benzyl, hydroxy(Ci-C 2 )alkyl, carboxy(C 1 -C 2 )alkyl, guanido(C 1 -C 3 )alkyl, (Ci-C 3 )-alkylsulfinyl(C 1 -C 2 )alkyl, (C 1 -C 3 )alkylsulfonyl(C 1 -C 2 )alkyl, 4-benzyloxycarbonylaminobutyl, 4-aminobutyl, imidazol-4-ylmethyl, N-t -butoxycarbonylimidazol-4-ylmethyl or carbamyl(C 1 -C 2 )alkyl; X is cyclohexyl, i- propyl or phenyl; W is CH|||OCO (C 1 -C 3 )alkyldi(C 1 -C 2 )alkylamino, CH|||OCO(C 1 -C 3 )alkylpiperidino, CH|||OH, C=O, CH|||N 3 , CH N 3 , CH NH 2 , CH|||NH 2 , C(CH 3 )|||OH, C(CH 3 ) OH, CH|||OCO(C 1 -C 2 )alkyl or CH|||OCO(C 1 -C 2 )alkylene C0 2 H; Z 1 is CH 2 0H or R-S-T where R is C=O, S is 0, NH, N(CH 3 ), CH 2 or a chemical bond linking R and T; T is (C 1 -C 5 )alkyl, hydroxy(C 1 -C 4 )alkyl, CONH-(C 1 -C 4 )alkyl, hydrogen, trifluoroethyl, (C 6 -C 7 )cycloalkyl, (C 6 -C 7 )cycloalkylmethyl, phenyl, benzyl, amino(C 2 -C 5 )alkyl, O-(C 1 -C 2 )alkyl hydroxylamino, morpholino, 4-(C 1 -C 2 )alkylpiperazino or omega-di(C 1 -C 2 )alkylamino(C 3 -C 5 )alkyl; L is CH or N; R 5 is imidazol-4-ylmethyl or (C 2 -C 5 )alkyl; and R 6 is (C 1 -C 4 )alkoxy or (C 1 -C 4 )alkylamino with the proviso that when m is 0, p is 0; when A is 0, Y is C=O; when T is CONH-(C 1 -C 4 ) alkyl, S is NH, N(CH 3 ) or CH 2 ; and when T is (C 2 -C 5 ) alkylamino, O-(C 1 -C 2 )alkyl hydroxylamino, morpholino or 4-(C 1 -C 2 )alkylpiperazino, S is CH 2 or a chemical bond linking R and T, characterized by the formation of an amide bond, C(O)N, by dehydrative-coupling wherein the functional groups not involved in the reaction may be blocked, followed by the optional steps of 1) selectively removing the blocking groups 2) oxidizing a sulfide group to sulfoxide or sulfone 3) oxidizing W wherein it is CH|||||OH or CH OH to C = 0 4) acylating W wherein it is CH|||||OH and, if desired, making a pharmaceutically acceptable salt of the product.
Claim 31
Dependent Claim 16 words
The process of claim 1, formula I, wherein the amide bond is formed between the fragments.
Claim 32
Dependent Claim 16 words
The process of claim 1, formula 1, wherein the amide bond is formed between the fragments
Claim 33
Dependent Claim 16 words
The process of claim 1, formula II, wherein the amide bond is formed between the fragments
Claim 34
Dependent Claim 13 words
The process of claim 1, wherein the coupling reagent is 1-hydroxybenzotriazole and dicyclohexylcarbodiimide.
Claim 35
Dependent Claim 15 words
The process of claim 1, wherein the coupling reagent is 1-hydroxybenzotriazole and dimethylaminopropyl ethyl carbodiimide.
Claim 36
Dependent Claim 21 words
The process of claim 1, wherein the optional step of oxidation of a sulfide group is carrried out with m-chloroperbenzoic acid.
Claim 37
Dependent Claim 24 words
The process of claim 1, wherein the optional step of oxidation of CH||||||OH or CH OHis carried out with pyridum dichromate and acetic anhydride.
Claim 38
Dependent Claim 36 words
The process of claim 1, wherein the optional step of acylation CH||||||OH is carried out with an acid and the coupling reagents of claim 5 or 6, or an acid halide and an organic tertiary amine.

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