Abstract: Compounds of the formula ##STR1## where Ar is phenyl, substituted phenyl, .alpha.-furyl or .alpha.-thienyl, andR is NH.sub.2, NHR.sup.1 wherein R.sup.1 is alkyl or cycloalkyl, or NR.sub.1 R.sub.2 whereinR.sub.1 and R.sub.2 are alkyl or --N.sub.1 R.sub.1 R.sub.2 is piperidino, pyrrolidino, morpholino or hexamethyleneimino. The compounds are prepared by reacting the corresponding Ar-substituted chloromethylated benzimadazole with the corresponding R-substituted piperazine. The compounds possess gastric antisecretory, anti-ulcerous, spasmolytic, anti-cholinergic, anti-bronchoconstrictive, analgesic, anti-inflammatory, anti-hypertensive and diuretic properties.

Abstract: Compounds of the formula ##STR1## where Ar is phenyl, substituted phenyl, .alpha.-furyl or .alpha.-thienyl, andR is NH.sub.2, NHR.sup.1 wherein R.sup.1 is alkyl or cycloalkyl, or NR.sub.1 R.sub.2wherein R.sub.1 and R.sub.2 are alkyl or --N.sub.1 R.sub.1 R.sub.2 is piperidino, pyrrolidino, morpholino or hexamethyleneimino. The compounds are prepared by reacting the corresponding Ar-substituted chloromethylated benzimidazole with the corresponding R-substituted piperazine. The compounds possess gastric antisecretory, anti-ulcerous, spasmolytic, anti-cholinergic, anti-bronchoconstrictive, analgesic, anti-inflammatory, anti-hypertensive and diuretic properties.

Abstract: Compounds of the formula ##STR1## wherein Z is --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--, and R is methyl, ethoxycarbonylmethyl or ##STR2## wherein ##STR3## is methylamino, n-propylamino, isopropylamino, dimethylamino, di(n-propyl)amino, morpholino, pyrrolidino or hexamethyleneimino. The compounds are prepared by reacting piperazine substituted with R, with 4'-bromomethyl-5,2'-spiro-dibenzocycloheptadi(or tri)ene-(1',3') dioxolan. The compounds possess cough-suppressing, spasmolytic, analgesic, respiratory analeptic, hypotensive, vasodilatory, antiarythmic, antiulcerous, antihistamine, sedative, anti-inflammatory, diuretic and antiserotonine properties.

Abstract: Compounds of the formula ##STR1## wherein Z is --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--, and R is methyl, ethoxycarbonylmethyl or ##STR2## wherein ##STR3## is methylamino, n-propylamino, isopropylamino, dimethylamino, di(n-propyl)amino, morpholino, pyrrolidino or hexamethyleneimino. The compounds are prepared by reacting piperazine substituted with R, with 4'-bromomethyl-5,2'-spiro-dibenzocycloheptadi(or tri)ene-(1',3') dioxolan. The compounds possess cough-suppressing, spasmolytic, analgesic, respiratory analeptic, hypotensive, vasodilatory, antiarythmic, antiulcerous, antihistamine, sedative, anti-inflammatory, diuretic and antiserotonine properties.

Abstract: Compounds of the formula ##STR1## wherein Z is --CH.sub.2 CH.sub.2 -- or --CH=CH--, and R is methyl, ethoxycarbonylmethyl or ##STR2## wherein ##STR3## is methylamino, n-propylamino, isopropylamino, dimethylamino, di(n-propyl)amino, morpholino, pyrrolidino or hexamethyleneimino. The compounds are prepared by reacting piperazine substituted with R, with 4'-bromomethyl-5,2'-spiro-dibenzocycloheptadi- (or tri)ene-(1',3') dioxolan. The compounds possess cough-suppressing, spasmolytic, analgesic, respiratory analeptic, hypotensive, vasodilatory, antiarythmic, antiulcerous, antihistamine, sedative, anti-inflammatory, diuretic and antiserotonine properties.

Abstract: Compounds of the formula ##STR1## WHEREIN Ar is phenyl or phenyl substituted by one or more halogens, a trifluoromethyl, a methylenedioxy, one or more methoxy, an alkyl having one to 4 carbon atoms or a dimethylamino,And R is ##STR2## wherein R.sub.1 and R.sub.2 each are hydrogen or alkyl of 1 to 4 carbon atoms, or ##STR3## PYRROLIDINO, MORPHOLINO, PIPERIDINO OR PIPERAZINO N'-substituted by alkyl of 1 to 4 carbon atoms, or phenyl, or R is para-2-morpholino ethylamino carbonyl, and R.sub.3 is hydrogen or methyl.The compounds are obtained by reacting 2-Ar-2-chloro-6-methyl pyrimidine, with ##STR4## The compounds possess sedative, antiulcerous, antibronchoconstrictive, anticholinergic, diuretic, analgesic myorelaxant and antianoximia properties.

Abstract: Compounds of the formula ##STR1## wherein R is alkyl of 1-4 carbon atoms, phenyl, or phenyl substituted by one or more halogen or trifluoromethyl, and Z is ##STR2## wherein R.sub.1 is hydrogen, alkyl of 1-4C, 2,2-dimethyldioxolan-4-yl methyl, or 2,3-dihydroxy prop-1-yl, R.sub.2 is ##STR3## wherein ##STR4## is morpholino, pyrrolidino, piperidino or hexamethyleneimino, and n is an integer from 4 to 7.The compounds are prepared by reacting R-substituted 4-chloro-2-methyl furo (2,3d) pyrimidine with HZ. The compounds possess antiulcerous, antibronchoconstrictive and anticholinergic, analgesic, antihistamine, diuretic, cardiovascular analeptic, antiinflammatory and hypertensive properties.

Abstract: Compounds of the formula ##STR1## in which Ar is .alpha.-furyl or .alpha.-thienyl and pharmacologically acceptable salts thereof are provided as novel therapeutic agents which have inter alia utility in treating asthma, respiratory deficiency, visceral spasms, gastroduodenal ulcers or hyperchlorhydria.

Abstract: Compounds having the formula ##STR1## in which R.sub.1 is alkyl having no more than 4 carbon atoms and R.sub.2 is dimethoxyphenylethyl or ##STR2## is piperidino, heptamethyleneimino or 1,2,3,4-tetrahydroisoquinolino. The compounds are prepared by condensing N-(3,4,5-trimethoxy cinnamoyl)N'-(carboxymethyl) piperazine with ##STR3## The compounds possess peripheral, coronary and cerebral vasodilatory properties and an antihypertensive property.

Abstract: Compounds of the formula ##STR1## wherein Ar is phenyl or phenyl substituted by one or more halogens, a trifluoromethyl, a methylenedioxy, one or more methoxy, an alkyl having one to 4 carbon atoms or a dimethylamino,And R is ##STR2## and R.sub.5 is alkyl of 1 to 4 carbon atoms, 2,3-dihydroxypropyl or 2,2-dimethyl dioxolan-4-yl methyl or hydroxycarbonylmethyl.The compounds are obtained by reacting 2-Ar-4-chloro-6-methyl pyrimidine, with ##STR3## The compounds possess sedative, antiinflammatory, antiulcerous, and anti-anoxemia properties.

Abstract: A compound having the formula ##STR1## and its pharmacologically acceptable acid addition salts. The compound is prepared by condensing N-(3,4,5-trimethoxy cinnamoyl) piperazine with N-(2-pyrrolidinone) chloroacetamide. The compounds possess peripheral and coronary vasodilatatory properties and hypotensive and antihypertensive properties.

Abstract: Compounds of the formula ##STR1## in which R is aminocarbonylphenyl in which amino is --NH.sub.2, pyrrolidino, piperidino or morpholino, and Ar is phenyl substituted with chloro, fluoro, trifluoromethyl, methylenedioxy or one or more methoxy.The compounds are prepared by 2-Ar-4-chloro-pyrimidin-6-yl ethylacetate with ##STR2## and then reacting that reaction product with hydroxylamine hydrochloride. The compounds possess vasodilatatory, anti-ulcerous, respiratory analeptic, hypotensive, diuretic, anti-depressive, analgesic, anti-inflammatory and neurotropic properties.

Abstract: Compounds of the formula ##STR1## wherein R is alkyl of 1-4 carbon atoms, phenyl, or phenyl substituted by one or more halogen or trifluoromethyl, and Z is ##STR2## wherein R.sub.1 is hydrogen, alkyl of 1-4C, 2,2-dimethyldioxolan-4-yl methyl, or 2,3-dihydroxy prop-1-yl, R.sub.2 is ##STR3## wherein ##STR4## is morpholino, pyrrolidino, piperidino or hexamethyleneimino, and n is an integer from 4 to 7. The compounds are prepared by reacting R-substituted 4-chloro-2-methyl furo (2,3d) pyrimidine with HZ. The compounds possess antiulcerous, antibronchoconstrictive and anticholinergic, analgesic, antihistamine, diuretic, cardiovascular analeptic, antiinflammatory and hypertensive properties.

Abstract: Compounds of the formula ##SPC1##Wherein Ar is phenyl or phenyl substituted by one or more halogens, by a trifluoromethyl or a methylenedioxy, by one or more methoxy, by an alkyl having one to 4 carbon atoms or by a dimethylamino,And R is ##EQU1## or --O-- ##EQU2## or ##EQU3## wherein R.sub.1 and R.sub.2 each are hydrogen or alkyl of 1 to 4 carbon atoms, or ##EQU4## is pyrrolidino, morpholino, piperidino or piperazino N'-substituted by alkyl of 1 to 4 carbon atoms, or phenyl; R.sub.3 and R.sub.4 each are alkyl of 1 to 3 carbon atoms or ##EQU5## is morpholino, pyrrolidino, piperidino or hexamethyleneimino, n is an integer of 1 to 5; and R.sub.5 is alkyl of 1 to 4 carbon atoms, 2,3-dihydroxypropyl or 2,2-dimethyl dioxolan-4-yl methyl or hydroxycarbonylmethyl.

Abstract: A compound of the formula ##SPC1##In which R is hydrogen, hydroxy, halogen or alkoxy containing up to 3 carbon atoms, and ##EQU1## is dialkylamino in which the alkyls contain up to 3 carbon atoms, or pyrrolidino, piperidino, morpholino or hexamethyleneimino, and n is 2 or 3. The compounds are prepared by reacting R substituted benzaldehyde with a 2,3-dihydrobenzofuran derivative and then reducing that reaction product. The compounds possess antihypertensive, hypotensive, vasodilatatory, spasmolytic, diuretic, sedative, anti-arythmic and anti-inflammatory properties.

Abstract: Compounds having the formula ##EQU1## WHEREIN Ar is phenyl optionally substituted by one or more halogens, alkyl having 1 to 4 carbons or alkoxy containing up to 4 carbons, and R.sub.1 and R.sub.2 each is alkyl having one to 4 carbons or ##EQU2## is piperidino, pyrrolidino, morpholino and hexamethyleneimino. The compounds are prepared by reacting the corresponding 2-chloromethyl benzimidazole with ##EQU3## The compounds possess analgesic, antihypertensive, gastric antisecretory, antiinflammatory, antibronchoconstrictive, anticholinergic, spasmolytic, sedative, antiulcerous, vasodilatatory, central nervous system stimulant, antiarythmic, diuretic and antihistaminic properties.

Abstract: A compound of the formula ##SPC1##Wherein R.sub.1 is alkyl having one to 4 carbon atoms, and R.sub.2 is (a) alkyl having one to 4 carbon atoms, or (b) alkyl having one to 4 carbon atoms and substituted by (1) dialkylamino the latter alkyl having from one to 3 carbon atoms, (2) pyrrolidino or (3) morpholino, with the proviso that when R.sub.1 is ethyl, R.sub.2 is not ethyl, propyl, or diethylamino. The compounds are prepared by reacting 2-methyl-3-alkoxycarbonyl-5-hydroxyindole with a primary amine. The compounds possess diuretic, antihypertensive, antiulcerous, antiinflammatory, sedative and analgesic properties.

Abstract: Compounds having the formula ##SPC1##Wherein Y is an aliphatic radical having up to 4 carbon atoms, phenyl, or phenyl substituted by one or more halogens, aliphatic radical having up to 4 carbon atoms, methoxy or trifluoromethyl.The compounds are prepared by reacting epichlorohydrin with benzimidazole substituted at the 2 position by ##EQU1## The compounds possess diuretic, sedative, antiulcerous, analgesic, antiinflammatory and cardiac analeptic properties.

Abstract: Compounds of the formula ##STR1## in which R is H, .[.Cl, F, CH.sub.3 or CF.sub.3 .]. .Iadd.m-F, p-F, o-F, p-Cl, p-CH.sub.3, m-CH.sub.3 or m-CF.sub.3 .Iaddend.. The compounds are prepared by cyclizing with ethyl carbonate, a compound of the formula ##STR2## The compounds have anti-depressive, myorelaxing, tranquilizing, sedative, analgesic, anti-convulsive, anti-pyretic, anti-inflammatory and uricosuric activities.

Abstract: A compound of the formula ##STR1## .[.in which R is H, halogen, alkyl having 1 to 4 carbon atoms or trifluoromethyl, and R.sub.1 and R.sub.2 each is H or dialkylaminoalkyl or together with N comprise methylpiperazino..]. .Iadd.in which (1) .Iadd. ##STR2## .Iaddend. is -NH.sub.2 and R is H, m-CH.sub.3, o-CF.sub.3, m-Cl, p-Cl, m-Br, m-F, p-F, o-F, p-CH.sub.3 or m-CH.sub.3, or .Iadd. ##STR3## .Iaddend. and R is H, m-CF.sub.3 or m-F, or .Iadd. ##STR4## .Iaddend. and R is H, m-CF.sub.3 or m-F.The compound is prepared by treating the corresponding 5-hydroxymethyl compound with ammonia or an amine in the presence of phosgene.The compounds possess anti-depressive, myorelaxing, tranquilizing, sedative, analgesic, anti-convulsive, anti-pyretic, anti-inflammatory and uricosuric activities.