Abstract: The compounds are of the class of tetrahydroimidazo[1,4]benzodiazepin-2-(thi)ones possessing antiretroviral, especially anti-HIV-1, activity. An illustrative compound is (+)-S-4,5,6,7-tetrahydro-9-chloro-5-methyl-6-(3-methyl-2-butenyl)imidazo[4 ,5,1-jk][1,4]benzodiazepine-2(1H)-thione. These compounds are represented by the formula: ##STR1## The application also discloses compositions containing these compounds as active ingredients and methods of treating subjects suffering from retroviral infections by administering said compounds.

Abstract: This invention relates to new heterocyclic derivatives of guanidine and more particularly to such derivatives which have hypoglycemic activity, their methods of use for treating hyperglycemia and novel intermediate compounds for their preparation.

Abstract: Novel tetrahydroimidazo[1,4]benzodiazepin-2-(thi)ones possessing anti-HIV-1 activity, compositions containing these compounds as active ingredients, and methods of treating subjects suffering from HIV-1 infection by administering these compounds.

Abstract: This invention relates to new heterocyclic derivatives of guanidine and more particularly to such derivatives which have hypoglycemic activity, their methods of use for treating hyperglycemia and novel intermediate compounds for their preparation.

Abstract: Dihydropyridine compounds having 1,4,4-trisubstitution of the following formula (I): ##STR1## wherein R is one of --COR.sup.3, R.sup.3 being a group such as phenyl or benzyl; R.sup.4 where R.sup.4 is a heterocycle; --(CH.sub.2).sub.n NR.sup.5 R.sup.6, with R.sup.5 and R.sup.6 being alkyl or joined to define a ring; or --(CH.sub.2).sub.n COOR.sup.7, with R.sup.7 being alkyl or benzyl.R.sup.1 and R.sup.2 are alkyl, phenyl or substituted phenyl.The compounds are useful for the treatment of hypertension in mammals, e.g., in humans.

Abstract: The invention encompasses 1-[10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)methyl]-4-substituted piperidines and related compounds of the formula ##STR1## and the non-toxic pharmaceutically acceptable acid addition salts thereof; wherein R in each occurrence represents hydrogen, halogen, alkyl radical of 1 to 7 carbon atoms, or trifluoromethyl, alike or different; R.sup.1 is hydrogen or alkyl radical of 1 to 7 carbon atoms; Z is hydroxy or NR.sup.2 R.sup.3 group wherein R.sup.2 and R.sup.3 are each hydrogen or alkyl radical of 1 to 7 carbon atoms or R.sup.2 and R.sup.

Abstract: The invention encompasses novel 5-substituted-2-phenylbenzo[b]thiophene-3-alkylamines and related compounds of the general formula ##STR1## and the pharmaceutically acceptable acid addition salts thereof wherein R.sub.1 and R.sub.2 each independently represents H or an alkyl having from 1 to 8 carbon atoms or R.sub.1 and R.sub.2 together with N represents an azamonocyclic ring selected from the group comprising pyrrolidinyl, piperazinyl, substituted pyrrolidinyl wherein the substituent is an alkyl containing from 1 to 4 carbon atoms and substituted piperazinyl wherein the substituent is an alkyl containing from 1 to 4 carbon atoms or an alkanol wherein the alkyl moiety contains 1 to 4 carbon atoms; Y represents H, halogen or alkyl having 1 to 4 carbon atoms; X represents H, halogen, alkyl having 1 to 4 carbon atoms and alkoxy wherein the alkyl moiety contains 1 to 4 carbon atoms; and n is a positive integer from 1 to 4. These compounds possess utility as neuroleptics or anti-bacterial agents.