Abstract: N-[(1H-imidazol-1-yl)alkyl]benz[cd]-indol-2 amines useful as inhibitors of thromboxane synthetase enzyme, hypotensive agents and cardioprotective agents are described.

Abstract: Novel 3-heteroarylalkyl-4-quinazolinones which are useful as inhibitors of thromboxane synthetase and/or as antihypertensive agents in the treatment of hypertension and myocardial ischemia.

Abstract: Novel 10,10-Dihydro-10-[(substituted carbonyl)imino]-10-phenyl-10H-phenoxaphines of the formula: ##STR1## wherein A is selected from the group consisting of hydrogen and COOR.sub.1, where, when A is hydrogen the compound is in the form of a water soluble salt HnX, where n is an integer 1 or 2 and X is selected from the group consisting of sulfate, trefluoroacetate, bromide and chloride and R.sub.1 is selected from the group consisting of straight or branched chain alkyl(C.sub.1 -C.sub.4), alkenyl(C.sub.2 -C.sub.4), alkynyl(C.sub.2 -C.sub.4), cycloalkyl(C.sub.3 -C.sub.6), cycloalkyl(C.sub.3 -C.sub.6)methyl, benzyl, pyridylmethyl or which tetrahydro-3-furanyl; methods for using these compounds for effecting diuresis, treating hypertension and edema and lowering plasma renin activity in mammals; pharmaceutical compositions of matter containing these compounds and processes for their preparation.

Abstract: This disclosure describes certain substituted piperazine-1,4-naphthalenediones useful as anti-asthmatic agents.

Abstract: Compounds of the formula: ##STR1## wherein A is a divalent moiety of the formula:--C.sub.n H.sub.2n -- --CH.sub.2 CH.dbd.CHCH.sub.2 --or ##STR2## wherein n is an integer from 2-10, inclusive; R is hydrogen or alkyl having from one to four carbon atoms; R.sub.1 and R.sub.2 may be the same or different and may be selected from the group consisting of hydrogen, halogen, trifluoromethyl, alkoxy having from one to four carbon atoms, alkyl having from one to four carbon atoms, nitro and amino; wherein Heteroaryl is ##STR3## wherein R.sub.3 and R.sub.4 may be selected from hydrogen, alkyl having from one to four carbon atoms, or phenyl; and X is CH or N, together with the pharmaceutically acceptable salts thereof, which act as thromboxane synthetase inhibitors and hypotensive agents; methods for their production and use.

Abstract: Novel 3-heteroarylalkyl-1,2,3-benzotriazin-4(3H)-ones, having the structural formula: ##STR1## wherein A is a divalent moiety of the formula: ##STR2## wherein n is an integer from 3 to 10, inclusive; R.sub.1 and R.sub.2 may be the same or different and may be selected from the group consisting of hydrogen, halogen, trifluoromethyl, alkoxy having from one to four carbon atoms, alkyl having from one to four carbon atoms, nitro and amino; wherein Heteroaryl is ##STR3## wherein R.sub.3 and R.sub.4 may be hydrogen, alkyl having from one to four carbon atoms or phenyl and X is CH or N; together with the pharmaceutically acceptable salts thereof; processes for their preparation and their use in treating prostaglandin-related vascular disorders including ischemic heart disease, transient ischemic attack, thrombosis, migraine and hypertension.

Abstract: Novel aryl and heteroaryl[7-(3-substituted amino phenyl)-pyrazolo[1,5-a]pyrimidin-3-yl]methanones useful as anxiolytic, antiepileptic and sedative-hypnotic agents and as skeletal muscle relaxants, methods of using the novel compounds, compositions containing them and processes for this production.

Abstract: Novel [7-(3-disubstituted amino)phenyl]pyrazolo[1,5-a]pyrimidines useful as anxiolytic, antiepileptic and sedative-hypnotic agents as well as skeletal muscle relaxants, methods of using these compounds, compositions of matter containing them and processes for their production.

Abstract: This disclosure describes novel 2-(4-substituted-1-piperazinyl)[1,2,4]triazolo[1,5-a]pyrimidines useful as hypotensive agents.

Abstract: This disclosure describes certain pyrazolo[1,5-a]pyrimidines useful as hypotensive and/or anxiolytic agents, or as agents for the treatment of cognitive and related neural behavioral problems in mammals.

Abstract: N-[(1H-1,2,4-Triazol-l-yl)alkyl]arylamides which are inhibitors of thromboxane synthetase enzyme.

Abstract: This disclosure describes novel pyrazolylpiperazines useful as hypotensive agents in mammals and as intermediates for the preparation of certain pyrazolo[1,5-a]pryrimidines.

Abstract: Substituted N-[(1H-1,2,4-triazol-1-yl)-alkyl]heteroarylcarboxamides are inhibitors of thromboxane synthetase enzyme.

Abstract: Aryl and heteroaryl[7-(aryl and heteroaryl)pyrazolo[1,5-a]pyrimidin-3-yl]methanones which are new compounds active as anxiolytic, anticonvulsant, sedative-hypnotic and skeletal muscle relaxant agents in mammals and the novel process of making these compounds.

Abstract: This disclosure describes novel substituted 2-(pyridyl)imidazol-4-yl ketones and derivatives thereof which possess activity as hypotensive agents.

Abstract: This disclosure describes compositions of matter useful as anti-inflammatory agents and as inhibitors of the progressive joint deterioration characteristic of arthritic disease and the methods of meliorating inflammation and of inhibiting joint deterioration in mammals therewith, the active ingredients of said compositions of matter being certain 2,4,6-tris(substituted-amino)-s-triazines.

Abstract: This disclosure describes novel 1-(5-amino-4H-1,2,4-triazol-3-yl)-4-substituted-piperazines which are useful as hypotensive agents in mammals.

Abstract: This disclosure describes certain novel 3-(.alpha.-substituted-benzyl)-2,3-dihydrothiazolo[3,2-a][1,3]diazacyclan- 3-ols which are useful as diuretic agents.

Abstract: This disclosure describes substituted 2-alkylimino-3-alkyl-4-benzhydryl-4-thiazolidinols which are useful as diuretic agents.

Abstract: This disclosure describes novel N'-[2,6-dichloro-4-(substituted-benzylamino)phenyl]-N,N-dimethyl-formamidi nes which possess activity as hypotensive agents and as diuretics.