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US4470988A Expired / Lapsed US ⏱️ 0.0 years remaining

Benzazocinone and benzazoninone derivatives, and their pharmaceutical use

Assignee: Novartis Corp
•
Filing: 1983-02-10
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Granted: 1984-09-11
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Expires: 2003-02-10
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Abstract

Abstract Variously substituted 1-carboxymethyl-3-(carboxymethylamino)-benzazocin-2-one and benzazonin-2-one derivatives are disclosed as angiotensin converting enzyme inhibitors and antihypertensive agents. Synthesis of, pharmaceutical compositions and methods of treatment utilizing such compounds are included.

Inventors

  • 👤 Jeffrey W. H. Watthey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:07
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07K; C07K5/00; C07K5/02; C07K5/022; C07K5/0222; A; A61; A61P; A61P43/00; A61P9/00; A61P9/12; A61K; A61K38/00

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 362 words
A compound of the formula ##STR24## wherein the carbocyclic ring may also be hexahydro; R A and R B are radicals of the formula ##STR25## wherein R o represents COR 6 in radical R A and COR 7 in radical R B ; and R 6 and R 7 represent independently hydroxy; lower alkoxy; (amino, mono- or di-lower alkylamino)-substituted lower alkoxy; carboxy-substituted lower alkoxy; lower alkoxycarbonyl-substituted lower alkoxy; aryl-substituted lower alkoxy; (hydroxy, lower alkanoyloxy or lower alkoxy)-substituted lower alkoxy; (hydroxy, lower alkanoyloxy or lower alkoxy)-substituted lower alkoxymethoxy; bicyclo[2,2,1]-heptyloxycarbonyl-substituted lower alkoxy; 3-phthalidoxy; (lower alkyl, lower alkoxy, halo)-substituted 3-phthalidoxy; amino; lower alkylamino; di-lower alkylamino; pyrrolidino, piperidino or perhydroazepino; (amino or acylamino)-substituted lower alkylamino; α-(carboxy or lower alkoxycarbonyl)-substituted lower alkylamino; aryl-substituted lower alkylamino which can be substituted on the α-carbon by carboxy or lower alkoxycarbonyl; R 1 is hydrogen, lower alkyl, amino(lower)alkyl, aryl, aryl (lower)alkyl, cycloalkyl, cycloalkyl(lower)alkyl, acylamino (lower)alkyl, mono- or di(lower)alkylamino(lower)alkyl, lower alkylthio(lower)alkyl, hydroxy(lower)alkyl, lower alkoxy(lower) alkyl, acylated hydroxy(lower)alkyl, aryloxy(lower)alkyl, aryl-(thio-,sulfinyl-, or sulfonyl-)lower alkyl, aryl-N-(lower) alkylamino(lower)alkyl, or arylamino(lower)alkyl; or R 1 is carboxy(lower)alkyl, esterified carboxy-(lower) alkyl, carbamoyl(lower)alkyl or N-substituted carbamoyl(lower) alkyl, and esterified carboxy, N-substituted carbamoyl have meaning as represented by COR 6 and COR 7 ; R 2 is hydrogen or lower alkyl; R 3 and R 4 , each independently, represent hydrogen, lower alkyl, lower alkoxy, lower alkanoyloxy, hydroxy, halogen, trifluoromethyl; or R 3 and R 4 taken together represent lower alkylenedioxy; R 5 is hydrogen or lower alkyl; m is 2 or 3; and X represents oxo, two hydrogens, or one hydroxy or acylated hydroxy together with one hydrogen; and wherein within the above definitions acylamino represents lower alkanoylamino; lower alkoxycarbonylamino; aryl(lower) alkanoylamino; aryl(lower) alkoxycarbonylamino; or aroylamino in which aroyl represents benzoyl or benzoyl substituted by lower alkyl, lower alkoxy or halogen, or nicotinoyl; and wherein within the above definitions acylated hydroxy represents lower alkanoyloxy, nicotinoloxy, benzoyloxy or benzoyloxy substituted on the phenyl ring by lower alkyl, halogen or lower alkoxy; and wherein within the above definitions aryl represents phenyl unsubstituted or mono- or di-substituted by lower alkyl, lower alkoxy, lower alkylenedioxy, lower alkanoyloxy, hydroxy, halogen or trifluoromethyl; and cycloalkyl contains 3 to 8 carbons; or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim 362 words
A compound of the formula ##STR24## wherein the carbocyclic ring may also be hexahydro; R A and R B are radicals of the formula ##STR25## wherein R o represents COR 6 in radical R A and COR 7 in radical R B ; and R 6 and R 7 represent independently hydroxy; lower alkoxy; (amino, mono- or di-lower alkylamino)-substituted lower alkoxy; carboxy-substituted lower alkoxy; lower alkoxycarbonyl-substituted lower alkoxy; aryl-substituted lower alkoxy; (hydroxy, lower alkanoyloxy or lower alkoxy)-substituted lower alkoxy; (hydroxy, lower alkanoyloxy or lower alkoxy)-substituted lower alkoxymethoxy; bicyclo[2,2,1]-heptyloxycarbonyl-substituted lower alkoxy; 3-phthalidoxy; (lower alkyl, lower alkoxy, halo)-substituted 3-phthalidoxy; amino; lower alkylamino; di-lower alkylamino; pyrrolidino, piperidino or perhydroazepino; (amino or acylamino)-substituted lower alkylamino; α-(carboxy or lower alkoxycarbonyl)-substituted lower alkylamino; aryl-substituted lower alkylamino which can be substituted on the α-carbon by carboxy or lower alkoxycarbonyl; R 1 is hydrogen, lower alkyl, amino(lower)alkyl, aryl, aryl (lower)alkyl, cycloalkyl, cycloalkyl(lower)alkyl, acylamino (lower)alkyl, mono- or di(lower)alkylamino(lower)alkyl, lower alkylthio(lower)alkyl, hydroxy(lower)alkyl, lower alkoxy(lower) alkyl, acylated hydroxy(lower)alkyl, aryloxy(lower)alkyl, aryl-(thio-,sulfinyl-, or sulfonyl-)lower alkyl, aryl-N-(lower) alkylamino(lower)alkyl, or arylamino(lower)alkyl; or R 1 is carboxy(lower)alkyl, esterified carboxy-(lower) alkyl, carbamoyl(lower)alkyl or N-substituted carbamoyl(lower) alkyl, and esterified carboxy, N-substituted carbamoyl have meaning as represented by COR 6 and COR 7 ; R 2 is hydrogen or lower alkyl; R 3 and R 4 , each independently, represent hydrogen, lower alkyl, lower alkoxy, lower alkanoyloxy, hydroxy, halogen, trifluoromethyl; or R 3 and R 4 taken together represent lower alkylenedioxy; R 5 is hydrogen or lower alkyl; m is 2 or 3; and X represents oxo, two hydrogens, or one hydroxy or acylated hydroxy together with one hydrogen; and wherein within the above definitions acylamino represents lower alkanoylamino; lower alkoxycarbonylamino; aryl(lower) alkanoylamino; aryl(lower) alkoxycarbonylamino; or aroylamino in which aroyl represents benzoyl or benzoyl substituted by lower alkyl, lower alkoxy or halogen, or nicotinoyl; and wherein within the above definitions acylated hydroxy represents lower alkanoyloxy, nicotinoloxy, benzoyloxy or benzoyloxy substituted on the phenyl ring by lower alkyl, halogen or lower alkoxy; and wherein within the above definitions aryl represents phenyl unsubstituted or mono- or di-substituted by lower alkyl, lower alkoxy, lower alkylenedioxy, lower alkanoyloxy, hydroxy, halogen or trifluoromethyl; and cycloalkyl contains 3 to 8 carbons; or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim 122 words
A compound having the formula ##STR26## wherein R 1 is hydrogen, lower alkyl, amino(lower)alkyl, aryl(lower) alkoxycarbonylamino (lower) alkyl or aryl(lower)alkyl, and aryl represents phenyl unsubstituted or mono-substituted by lower alkyl, hydroxy, lower alkoxy, lower alkanoyloxy, halogen or trifluoromethyl; R 2 and R 5 are hydrogen or lower alkyl; R 3 and R 4 are hydrogen, lower alkoxy, lower alkyl, halogen, or trifluoromethyl; or R 3 and R 4 taken together represent lower alkylenedioxy; X represents oxo, one hydroxy or lower alkanoyloxy and one hydrogen, or 2 hydrogens; m is 2 or 3; R 6 and R 7 independently represent hydroxy, amino, lower alkoxy, phenyl(lower)alkoxy, lower alkoxycarbonyl(lower)alkoxy; or a pharmaceutically acceptable salt thereof; or any said compound wherein the carbocyclic ring is hexahydro.
Claim 4
Dependent Claim 122 words
A compound having the formula ##STR26## wherein R 1 is hydrogen, lower alkyl, amino(lower)alkyl, aryl(lower) alkoxycarbonylamino (lower) alkyl or aryl(lower)alkyl, and aryl represents phenyl unsubstituted or mono-substituted by lower alkyl, hydroxy, lower alkoxy, lower alkanoyloxy, halogen or trifluoromethyl; R 2 and R 5 are hydrogen or lower alkyl; R 3 and R 4 are hydrogen, lower alkoxy, lower alkyl, halogen, or trifluoromethyl; or R 3 and R 4 taken together represent lower alkylenedioxy; X represents oxo, one hydroxy or lower alkanoyloxy and one hydrogen, or 2 hydrogens; m is 2 or 3; R 6 and R 7 independently represent hydroxy, amino, lower alkoxy, phenyl(lower)alkoxy, lower alkoxycarbonyl(lower)alkoxy; or a pharmaceutically acceptable salt thereof; or any said compound wherein the carbocyclic ring is hexahydro.
Claim 5
Dependent Claim 112 words
A compound of claim 2 and formula IA wherein R 1 is hydrogen, lower alkyl, ω-amino(lower)alkyl, ω-arylmethoxycarbonylamino-(lower) alkyl, aryl(lower) alkyl where aryl represents phenyl unsubstituted or mono-substituted by lower alkyl, hydroxy, lower alkoxy, lower alkanoyloxy, halogen or trifluoromethyl; R 2 and R 5 are hydrogen or lower alkyl; R 3 is hydrogen; R 4 is hydrogen, lower alkoxy, lower alkyl, halogen, or trifluoromethyl; X represents oxo, one hydroxy or lower alkanoyloxy and one hydrogen, or 2 hydrogens; m is 2 or 3; R 6 and R 7 independently represent hydroxy, amino, lower alkoxy, phenyl(lower)alkoxy, lower alkoxycarbonyl(lower)alkoxy; or a pharmaceutically acceptable salt thereof; or any said compound wherein the carbocyclic ring is hexahydro.
Claim 6
Dependent Claim 77 words
A compound of claim 2 having the formula ##STR27## wherein the carboxylic ring may also be hexahydro; n represents an integer from 1 to 4; p is the integer 3 or 4; R 8 is hydrogen, amino, benzyloxycarbonylamino, phenyl unsubstituted or monosubstituted by lower alkyl, lower alkoxy, lower alkanoyloxy, halogen, hydroxy, or trifluoromethyl; R 6 and R 7 independently represent hydroxy, lower alkoxy of up to 4 carbon atoms, benzyloxy, amino; or a pharmaceutically acceptable salt thereof.
Claim 7
Dependent Claim 71 words
A compound as claimed in claim 4 wherein C n H 2n represents ethylene; R 8 represents phenyl or phenyl monosubstituted by lower alkoxy with up to 4 carbon atoms, lower alkyl with up to 4 carbon atoms, halogen or trifluoromethyl; R 6 and R 7 independently represent hydroxy or lower alkoxy with up to 4 carbon atoms; p is the integer 3 or 4; or a pharmaceutically acceptable salt thereof.
Claim 8
Dependent Claim 19 words
A compound as claimed in claim 5 wherein p is the integer 3; or a pharmaceutically acceptable salt thereof.
Claim 9
Dependent Claim 17 words
A compound as claimed in claim 6 being 1-carboxymethyl-3-(1-ethoxycarbonylmethyl-3-phenylpropylamino)-3,4,5,6-tetrahydro-1-benzazocin-2(1H)-one, a stereoisomer or a pharmaceutically acceptable salt thereof.
Claim 10
Dependent Claim 43 words
A pharmaceutical composition suitable for oral or parenteral administration to mammals for the treatment or prevention of diseases responsive to inhibition of angiotensin-converting enzyme comprising an effective amount of a compound of claim 1 in combination with one or more pharmaceutically acceptable carriers.
Claim 11
Dependent Claim 28 words
A method of treating hypertensive or cardiac conditions in mammals which comprises administering to a mammal in need thereof an effective amount of a composition of claim 8.
Claim 12
Dependent Claim 24 words
A method of inhibiting angiotensin-converting enzyme which comprises administering to a mammal in need thereof an effective amount of a composition of claim 8.
Claim 13
Dependent Claim 43 words
A pharmaceutical composition suitable for oral or parenteral administration to mammals for the treatment or prevention of diseases responsive to inhibition of angiotensin-converting enzyme comprising an effective amount of a compound of claim 3 in combination with one or more pharmaceutically acceptable carriers.
Claim 14
Dependent Claim 28 words
A method of treating hypertensive or cardiac conditions in mammals which comprises administering to a mammal in need thereof an effective amount of a composition of claim 11.
Claim 15
Dependent Claim 24 words
A method of inhibiting angiotensin-converting enzyme which comprises administering to a mammal in need thereof an effective amount of a composition of claim 11.

References Cited (Backward Citations)

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NL6902595A Cited
US4322439A Cited
EP0046291A2 Cited
EP0046292A1 Cited
EP0046289A2 Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-09-11 1988-03-12 1988-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-09-11 1992-03-12 1992-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-09-11 1996-03-12 1996-09-11 $7700.00 Window Closed / Lapsed

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