Trisubstituted piperazine compounds, their production and use

Details Trisubstituted piperazine compounds, their production and use Trisubstituted piperazine compounds, their production and use

1989-11-09

1991-03-05

Shen, Cecilia

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514252, 514255, 544359, 544360, 544361, 544362, 544363, 544364, 544365, 544366, 544367, 544368, 544369, 544370, 544372, 544373, 544374, 544375, 544376, 544377, 544378, 544379, 544380, 544382, 544383, 544384, 544386, 544387, 544388, 544389, 544390, 544391, A61K 31495, C07D40112, C07D40312, C07D40712

Patent

active

049978365

ABSTRACT:
Novel trisubstituted piperazine compounds of the formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are lower alkyl groups; A is a phenyl group, a hydrocarbon group formed by condensation of two or three 5- to 8-membered rings, a monocyclic 5- to 8-membered heterocyclic group containing 1 to 3 hetero-atoms selected from the class consisting of nitrogen, oxygen and sulfur, a dicyclic heterocyclic group formed by condensation of a benzene ring with a 5- to 8-membered hetero-ring containing 1 to 3 hetero-atoms selected from the class consisting of nitrogen, oxygen and sulfur, a tricyclic heterocyclic group formed by condensation of (i) a 5- to 8-membered hetero-ring containing 1 to 3 hetero-atoms selected from the class consisting of nitrogen, oxygen and sulfur, and (ii) a benzene ring, and (iii) a benzene ring or a 5- to 8-membered hetero-ring containing 1 to 3 hetero-atoms selected from the class consisting of nitrogen, oxygen and sulfur, or a styryl group of the formula: Ar--CR.sup.4 .dbd.CR.sup.5 -- wherein Ar is a phenyl group, and R.sup.4 and R.sup.5 are independently hydrogen or a lower alkyl group, the phenyl group represented by A or Ar, the hydrocarbon group represented by A, the monocyclic 5- to 8-membered heterocyclic group represented by A, the dicyclic heterocyclic group represented by A and the tricyclic heterocyclic group represented by A being unsubstituted or substituted by one or more substituents selected from the class consisting of a lower alkyl group, a halo lower alkyl group, a hydroxy lower alkyl group, an acyloxy lower alkyl group, a lower alkoxy lower alkyl group, a lower alkoxy group, a halo lower alkoxy group, a lower alkoxycarbonyl lower alkoxy group, a lower alkenyloxy group, aralkyloxy group, a lower alkoxy lower alkoxy group, a lower alkoxycarbonyl group, carboxyl group, carbamoyl group, an N,N-di-lower alkylcarbamoyl group, an N-lower alkylcarbamoyl group, halo group, cyano group, nitro group, hydroxy group, acyloxy group, amino group, a lower alkylsulfonylamino group, acylamino group, a lower alkoxycarbonylamino group, acyl group, mercapto group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group and oxo group; X is methylene group, carbonyl group or thiocarbonyl group and G is a group of the formula: --CH.sub.2 --.sub.n Z--R.sup.6 wherein n is an integer of 0 to 2, Z is a chemical bond, O, S, SO, SO.sub.2, CO, COO, OCO, OCONR.sup.7, CONR.sup.7 or NR.sup.7 (wherein R.sup.7 is hydrogen, a lower alkyl group, a lower haloalkyl group, a lower alkenyl group or a lower alkoxycarbonyl group), and R.sup.6 is hydrogen, a lower alkyl group, a lower haloalkyl group or a lower alkenyl group, provided that, when n is O and Z is chemical bond, R.sup.6 is not hydrogen or a lower alkyl group are useful as a platelet activating factor antagonist.

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