Benzopyrans useful for treating hypertension

Details Benzopyrans useful for treating hypertension Benzopyrans useful for treating hypertension

1984-05-15

1986-02-04

Chan, Nicky

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

549399, 549404, 549345, A61K 3135, C07D31102

Patent

active

045686920

ABSTRACT:
Compounds of formula (I): ##STR1## wherein: either one of R.sub.1 and R.sub.2 is hydrogen and the other is selected from the class of C.sub.1-6 alkylcarbonyl, C.sub.1-6 alkoxycarbonyl, C.sub.1-6 alkylcarbonyloxy, C.sub.1-6 alkylhydroxymethyl, nitro, cyano, chloro, trifluoromethyl, C.sub.1-6 alkylsulphinyl, C.sub.1-6 alkylsulphonyl, C.sub.1-6 alkoxysulphinyl, C.sub.1-6 alkoxysulphonyl, C.sub.1-6 alkylcarbonylamino, C.sub.1-6 alkoxycarbonylamino, C.sub.1-6 alkyl-thiocarbonyl, C.sub.1-6 alkoxy-thiocarbonyl, C.sub.1-6 alkyl-thiocarbonyloxy, C.sub.1-6 alkyl-thiolmethyl, formyl or aminosulphinyl, aminosulphonyl or aminocarbonyl, the amino moiety being optionally substituted by one or two C.sub.1-6 alkyl groups, or C.sub.1-6 alkylsulphinylamino, C.sub.1-6 alkylsulphonylamino C.sub.1-6 alkoxysulphinylamino or C.sub.1-6 alkoxysulphonylamino or ethylenyl terminally substituted by C.sub.1-6 alkylcarbonyl, nitro or cyano, or -C(C.sub.1-6 alkyl)NOH or -C(C.sub.1-6 alkyl)NNH.sub.2, or one of R.sub.1 and R.sub.2 is nitro, cyano or C.sub.1-3 alkylcarbonyl and the other is methoxy or amino optionally substituted by one or two C.sub.1-6 alkyl or by C.sub.2-7 alkanoyl;

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