Abstract: Carboxyalkylcarbonyl aminoacid inhibitors of endopeptidases of the formula: ##STR1## or pharmaceutically acceptable salt thereof, wherein R.sup.1 is H, alkyl, arylalkyl, aryl or aryloxyalkyl; R.sup.2 is alkyl, alkenyl, alkynyl, alkoxy or alkylthio, wherein the alkyl portion is substituted with 0-3 substituents independently selected from the group consisting of hydroxy, alkoxy, alkoxyalkoxy, alkylthio, aryl, alkoxyalkylthio, arylalkoxy and arylalkylthio; R.sup.3 and R.sup.4 are independently alkyl or arylalkyl; or R.sup.3 and R.sup.4 together with the carbon to which they are attached form an optionally substituted 5-, 6- or 7-membered ring wherein said ring comprises 0 to 1 heteroatoms selected from the group consisting of sulfur and oxygen; R.sup.5 is H, alkyl, alkoxyalkyl, alkylthioalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, arylalkoxyalkyl or arylalkylthioalkyl; R.sup.

Abstract: Compounds of the formula ##STR1## useful as antihypertensive agents are disclosed.

Abstract: Novel diamino acid derivative dual inhibitors of neutral endopeptidase and angiotensin converting enzyme of the formula ##STR1## wherein: Z is amino, lower alkylamino, di-(lower alkyl)amino R.sup.9 C(O)NH-- or an optionally substituted guanidino group;R.sup.1 is hydrogen or R.sup.7 R.sup.8 N--;R.sup.2 is hydrogen, lower alkyl, cyclolower alkyl, aryllower alkyl or heteroaryllower alkyl; and R.sup.3 is hydrogen, lower alkyl or cyclolower alkyl; or R.sup.2 and R.sup.3, together with the carbon to which they are attached, comprise a 3-7 membered carboxyclic ring;R.sup.4 is hydrogen, lower alkyl, aryl lower alkyl or heteroaryllower alkyl;R.sup.5 and R.sup.6 are independently hydroxy, lower alkoxy, amino, aryllower alkoxy, lower alkylamino and di-(lower alkyl)amino;R.sup.7 is R.sup.9 C(O)-- or R.sup.10 SO.sub.2 --; and R.sup.8 is hydrogen, lower alkyl, aryllower alkyl or aryl; or R.sup.7 and R.sup.8, together with the nitrogen to which they are attached, comprise a 5-7 membered ring;R.sup.

Abstract: Mercapto-acylamino acids useful in the treatment of hypertension and combinations of mercapto-acylamino acids and atrial natriuretic factors or angiotensin converting enzyme inhibitors useful for treating hypertension are disclosed.

Abstract: Novel mercapto-acylamino acids of the formula ##STR1## wherein Q is hydrogen or R.sup.7 CO--;R.sup.1 is lower alkyl, cyclolower alkyl, aryl or heteroaryl;R.sup.2 is hydrogen; lower alkyl; cyclolower alkyl; lower alkyl substituted with hydroxy, lower alkoxy, mercapto, lower alkylthio, aryl or heteroaryl; aryl; or heteroaryl;R.sup.3 is --OR.sup.5 or --NR.sup.5 R.sup.6 ;R.sup.4 and R.sup.9 are independently --(CH.sub.2).sub.q R.sup.8, provided that when R.sup.4 and R.sup.9 are both hydrogen, R.sup.2 is biphenylyl, phenoxyphenyl, phenylthiophenyl, naphthyl, heteroaryl, or lower alkyl substituted with hydroxy, lower alkoxy, mercapto or lower alkylthio;R.sup.5 and R.sup.6 are independently selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, lower alkoxy lower alkyl and aryl lower alkyl, or R.sup.5 and R.sup.6 together with the nitrogen to which they are attached form a 5-7 membered ring;R.sup.7 is hydrogen, lower alkyl or aryl;R.sup.

Abstract: Novel mercapto-acylamino acids useful in the treatment of hypertension and combinations of mercapto-acylamino acids and atrial natriuretic factors or angiotensin converting enzyme inhibitors useful for treating hypertension are disclosed.

Abstract: Novel mercapto-acylamino acids useful in the treatment of hypertension and combinations of mercapto-acylamino acids and atrial natriuretic factors or angiotensin converting enzyme inhibitors useful for treating hypertension are disclosed.

Abstract: The present invention relates to ophthalmological pharmaceutical compositions comprising (benzothiadiazine, benzamide and benzenesulfonyl)phenyl-substituted carboxyalkyl dipeptide compounds and to methods for using said composition in reducing intraocular pressure, e.g., in the treatment of glaucoma.

Abstract: Novel compounds with angiotensin-converting enzyme inhibitory activity are disclosed. Such compounds are useful in the treatment of cardiovascular disorders, especially hypertension and congestive heart failure, and are useful in the treatment of glaucoma. Also disclosed is a novel process for preparing intermediates useful in the preparation of the claimed compounds.

Abstract: The present invention relates to carboxyalkyl dipeptides which are inhibitors of angiotensin-converting enzyme and are useful as antihypertensive agents and in the treatment of congestive heart failure.The compounds of the present invention are compounds of the formulae ##STR1## and the pharmaceutically acceptable salts thereof, wherein R and R.sup.6 are the same or different and are hydroxy or lower alkoxy;R.sup.1 is benzyloxylower alkyl or benzylthiolower alkyl;R.sup.2 is benzylthiomethyl, 2-phyenylethylthiomethyl, napthylmethylthiomethyl, methylbenzylthiomethyl, 2-(carboxyphenyl)ethyl or 2-(alkoxycarbonylphenyl)ethyl) andR.sup.3 is hydrogen, lower alkyl or aminolower alkyl.

Abstract: The present invention relates to carboxyalkyl dipeptides which are inhibitors of angiotensin-converting enzyme and are useful as antihypertensive agents and in the treatment of congestive heart failure.The compounds of the present invention are compounds of the formulae ##STR1## and the pharmaceutically acceptable salts thereof, wherein R and R.sup.6 are the same or different and are hydroxy or lower alkoxy;R.sup.1 is benzyloxylower alkyl or benzylthiolower alkyl;R.sup.2 is benzylthiomethyl, 2-phenylethylthiomethyl, naphthylmethylthiomethyl, methylbenzylthiomethyl; 2-(carboxyphenyl)ethyl or 2-(alkoxycarbonylphenyl)ethyl; andR.sup.3 is hydrogen, lower alkyl or aminolower alkyl.

Abstract: Novel mercapto-acylamino acids useful in the treatment of hypertension and combinations of mercapto-acylamino acids and atrial natriuretic peptides useful for treating hypertension are disclosed.

Abstract: The present invention relates to ophthalmological pharmaceutical compositions comprising (benzothiadiazine, benzamide and benzenesulfonyl)phenyl-substituted carboxyalkyl dipeptide compounds and to methods for using said composition in reducing intraocular pressure, e.g., in the treatment of glaucoma.

Abstract: (Benzothiadiazine, benzamido and benzenesulfonyl)phenyl-substituted carboxyalkyl dipeptide compounds are disclosed. Compounds of this invention are useful as antihypertensive agents.

Abstract: Novel compounds with angiotensin-converting enzyme inhibitory activity are disclosed. Such compounds are useful in the treatment of cardiovascular disorders, especially hypertension and congestive heart failure, and are useful in the treatment of glaucoma.

Abstract: (Benzothiadiazine, benzamido and benzenesulfonyl)phenyl-substituted carboxyalkyl dipeptide compounds are disclosed. Compounds of this invention are useful as antihypertensive agents.

Abstract: Disclosed are 5,6-dihydro benzo[f]quinolines and derivatives which are effective in increasing cardiac contractility. These compounds are useful in the treatment of congestive heart failure.

Abstract: Disclosed are tricyclic lactams and derivatives which are effective in increasing cardiac contractility in humans. These compounds are useful in the treatment of congestive heart failure.

Abstract: This invention relates to 7-carboxyalkyl-aminoacyl-1,4-adithia-7-azaspiro[4.4]nonane-8-carboxylic acids. The compounds of the invention are useful in the treatment of cardiovascular disorders and especially as antihypertensive agents.

Abstract: Compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof, wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently selected from hydrogen or lower alkyl; n is 1 or 0; A and B taken together with the carbons to which they are attached form an alkylene ring having six carbon atoms or A and B are hydrogen; and Z is ##STR2## The compounds are useful as hypertensive agents.