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US4584294A Expired / Lapsed US ⏱️ 0.0 years remaining

Fused tricyclic lactams as angiotensin converting enzyme inhibitors and as antihypertensive agents

Assignee: Merck and Co Inc
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Filing: 1984-11-07
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Granted: 1986-04-22
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Expires: 2004-11-07
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Abstract

Abstract The invention relates to fused tricyclic lactams and related compounds which are useful as angiotensin converting enzyme inhibitors and as antihypertensives.

Inventors

  • 👤 William V. Ruyle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:23
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/02; C07K5/022; C07K5/0222; A; A61; A61K; A61K38/00

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 233 words
A compound having the formula: ##STR4## wherein: R and R 2 are independently (a) hydrogen; (b) C 1 -C 6 -alkyl; (c) substituted C 1 -C 6 alkyl wherein the substituents are hydroxy, C 1 -C 4 alkyloxy and di-(C 1 -C 4 )-alkylamino; (d) C 6 or C 10 aryl; (e) substituted C 6 or C 10 aryl wherein the substituents are C 1 -C 6 alkyl, halo (F, Cl, Br, I), and C 1 -C 4 alkyloxy; R 1 is (a) hydrogen; (b) C 1 -C 8 straight or branched alkyl; (c) C 2 -C 8 straight or branched alkenyl; (d) C 2 -C 8 straight or branched alkynyl; (e) C 3 -C 10 cycloalkyl; (f) C 6 or C 10 aryl (C 1 -C 4 ) alkyl; (g) substituted C 1 -C 8 alkyl containing 1-3 substituents selected from halo (F, Br, Cl, I), carboxamido, C 1 -C 4 alkoxy carbonyl, mercapto, amino, and R wherein R is as defined above; (h) C 1 -C 8 alkyl optionally containing an O, S, S═O, O═S═O, C═O, CONR 2 , SO 2 NR 2 , NRCO, NRCONR 2 , OCONR 2 , NRCOO or --NR 2 group wherein R is as defined above; R 3 is (a) hydrogen; (b) halo (F, Br, Cl, I); (c) C 1 -C 6 alkyl; (d) C 1 -C 6 alkyloxy; and, the pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim 233 words
A compound having the formula: ##STR4## wherein: R and R 2 are independently (a) hydrogen; (b) C 1 -C 6 -alkyl; (c) substituted C 1 -C 6 alkyl wherein the substituents are hydroxy, C 1 -C 4 alkyloxy and di-(C 1 -C 4 )-alkylamino; (d) C 6 or C 10 aryl; (e) substituted C 6 or C 10 aryl wherein the substituents are C 1 -C 6 alkyl, halo (F, Cl, Br, I), and C 1 -C 4 alkyloxy; R 1 is (a) hydrogen; (b) C 1 -C 8 straight or branched alkyl; (c) C 2 -C 8 straight or branched alkenyl; (d) C 2 -C 8 straight or branched alkynyl; (e) C 3 -C 10 cycloalkyl; (f) C 6 or C 10 aryl (C 1 -C 4 ) alkyl; (g) substituted C 1 -C 8 alkyl containing 1-3 substituents selected from halo (F, Br, Cl, I), carboxamido, C 1 -C 4 alkoxy carbonyl, mercapto, amino, and R wherein R is as defined above; (h) C 1 -C 8 alkyl optionally containing an O, S, S═O, O═S═O, C═O, CONR 2 , SO 2 NR 2 , NRCO, NRCONR 2 , OCONR 2 , NRCOO or --NR 2 group wherein R is as defined above; R 3 is (a) hydrogen; (b) halo (F, Br, Cl, I); (c) C 1 -C 6 alkyl; (d) C 1 -C 6 alkyloxy; and, the pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim 171 words
The compound of claim 1 wherein: R and R 2 are independently (a) hydrogen; (b) C 1 -C 6 alkyl; (c) substituted C 1 -C 6 alkyl wherein the substituents are hydroxy, C 1 -C 4 alkyloxy and di-(C 1 -C 4 )-alkylamino; R 1 is (a) hydrogen; (b) C 1 -C 8 straight or branched alkyl; (c) C 2 -C 8 straight or branched alkenyl; (d) C 2 -C 8 straight or branched alkynyl; (e) C 3 -C 10 cycloalkyl; (f) C 6 or C 10 aryl (C 1 -C 4 ) alkyl; (g) substituted C 1 -C 8 alkyl containing 1-3 substituents selected from halo, carboxamido, C 1 -C 4 alkoxy carbonyl, mercapto, amino, and R wherein R is as defined above; (h) C 1 -C 8 alkyl optionally containing an O, S, C═O, CONR 2 or --NR 2 group wherein R is as defined above; R 3 is (a) hydrogen; (b) halo (F, Br, Cl, I); (c) C 1 -C 6 alkyl; (d) C 1 -C 6 alkyloxy.
Claim 4
Dependent Claim 33 words
A compound which is a member of the group: (a) 7-(but-4-ene-yl)-5,6-benzperhydroazepine-2-one; (b) 7-(3,4-epoxybutyl)-5,6-benzperhydroazepine-2-one; (c) (8,9)-benzo-3-(benzyloxymethyl)-octahydropyrrollo[1,2-a]azepine-5-one; (d) (8,9)-benzo-3-(benzyloxymethyl)-6-(carbomethoxy)octahydropyrrollo[1,2-a]azepine-5-one; (e) (8,9)-benzo-3-(benzyloxymethyl)-6-(hydrazinocarbonyl)-octahydropyrrollo[1,2-a]azepine-5-one; (f) (8,9)-benzo-3-(benzyloxymethyl)-6-(acetamido)-2,3,4,5,8,9-hexahydropyrrollo[1,2-a]azepine-5-one; (g) (8,9)-benzo-3-(hydroxymethyl)-6-(acetamido)-octahydropyrrollo[1,2-a]azepine-5-one; (h) (8,9)-benzo-3-formyl-6-(acetamido)-octahydropyrollo[1,2-a]azepine-5-one; (i) (8,9)-benzo-3-carboxy-6-acetamido-octahydropyrrollo[1,2-a]azepine-5-one; (j) (8,9)-benzo-3-carbomethoxy-6-amino-octahydropyrrollo[1,2-a]azepine-5-one hydrochloride; and, (k) (8,9)-benzo-3-carbomethoxy-6-(1-carboethoxy-3-phenylpropyl)amino-octahydropyrrollo[1,2-a]-azepine-5-one.
Claim 5
Dependent Claim 33 words
A compound which is a member of the group: (a) 7-(but-4-ene-yl)-5,6-benzperhydroazepine-2-one; (b) 7-(3,4-epoxybutyl)-5,6-benzperhydroazepine-2-one; (c) (8,9)-benzo-3-(benzyloxymethyl)-octahydropyrrollo[1,2-a]azepine-5-one; (d) (8,9)-benzo-3-(benzyloxymethyl)-6-(carbomethoxy)octahydropyrrollo[1,2-a]azepine-5-one; (e) (8,9)-benzo-3-(benzyloxymethyl)-6-(hydrazinocarbonyl)-octahydropyrrollo[1,2-a]azepine-5-one; (f) (8,9)-benzo-3-(benzyloxymethyl)-6-(acetamido)-2,3,4,5,8,9-hexahydropyrrollo[1,2-a]azepine-5-one; (g) (8,9)-benzo-3-(hydroxymethyl)-6-(acetamido)-octahydropyrrollo[1,2-a]azepine-5-one; (h) (8,9)-benzo-3-formyl-6-(acetamido)-octahydropyrollo[1,2-a]azepine-5-one; (i) (8,9)-benzo-3-carboxy-6-acetamido-octahydropyrrollo[1,2-a]azepine-5-one; (j) (8,9)-benzo-3-carbomethoxy-6-amino-octahydropyrrollo[1,2-a]azepine-5-one hydrochloride; and, (k) (8,9)-benzo-3-carbomethoxy-6-(1-carboethoxy-3-phenylpropyl)amino-octahydropyrrollo[1,2-a]-azepine-5-one.
Claim 6
Dependent Claim 25 words
A pharmaceutical composition useful in the treatment of hypertension which comprises a pharmaceutically acceptable carrier and an antihypertensively effective amount of compound of claim 1.
Claim 7
Dependent Claim 119 words
The composition of claim 4 which includes another antihypertensive and/or a diuretic and/or calcium entry blocker compound selected from the group: acetazolamide, amiloride, aminophylline, atenolol, bendroflumethiazide, benzthiazide, bumetanide, chorothalidone, chlorothiazide, clonidine, cryptenamine acetates and cryptenamine tannates, cyclothiazide, deserpidine, diazoxide, diltiazem, (S)-1-[[2-(3,4-dimethoxyphenyl)-ethyl]amino]-3-[4-(2-thienyl)-1H-imidazol-2-yl]-phenoxy]-2-propanol, ethacrynic acid, flumethiazide, furosemide, guanethidene sulfate, hydralazine hydrochloride, hydrochlorothiazide, hydroflumethiazide, (+)-4-[3-[-[2-(1-hydroxycyclohexyl) ethyl]-4-oxo-2-thiazolidinyl]propyl]-benzoic acid, indacrinone and variable ratios of its enantiomers, merethoxylline procaine, methylclothiazide, methyldopa, methldopate hydrochloride, metolazone, metoprolol tartate, minoxidil, naldolol, nifedipine, pargyline hydrochloride, pindolol, polythiazide, prazosin, propranolol, quinethazone, rauwolfia serpentina, rescinnamine, reserpine, sodium ethacrynate, sodium nitroprusside, spironolactone, ticrynafen, timolol, triamterene, trichlormethiazide, trimethophan camsylate, bepridil, diltiazim, etafenone, falipamil, felodipine, flunarizine, gallopamil, indapamide, lidoflazine, nicardipine, nifedipine, nimopidine, nitrendipine, perhexiline, prenylamine, tiapamil, verapamil, as well as admixtures and combinations thereof.
Claim 8
Dependent Claim 26 words
A method of treating hypertension which comprises administering to a patient in need of such treatment an antihypertensively effective amount of a compound of claim 1.
Claim 9
Dependent Claim 66 words
A process for preparing a compound having the formula: ##STR5## wherein R, R 1 and R 2 are as defined in claim 1, which process comprises hydrolyzing a compound having the formula: ##STR6## wherein R 1 and R 2 are as defined in claim 1 and R is an alkyl of an ester group, in the presence of a base to obtain said Formula I compound.
Claim 10
Dependent Claim 14 words
A compound which is a member of the group: (a) 1-(but-3-ene-yl)-2-tetralone; and, (b) 1-(but-3-ene-yl)-2-oximino-tetralin.
Claim 11
Dependent Claim 14 words
A compound which is a member of the group: (a) 1-(but-3-ene-yl)-2-tetralone; and, (b) 1-(but-3-ene-yl)-2-oximino-tetralin.

References Cited (Backward Citations)

US4415496A Cited
US4410520A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-04-21 1989-10-21 1990-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-04-21 1993-10-21 1994-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-04-21 1997-10-21 1998-04-22 $7700.00 Window Closed / Lapsed

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