Pyranobenzoxadiazole derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Details

544238, 546197, 548126, C07D49804, A64K 3141

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active

049007521

ABSTRACT:
A compounds of the formula (I): ##STR1## wherein A represents OH or OC(O)CH.sub.3-n X.sub.n, B represents hydrogen atom, or A and B together represent a bond; R.sup.1 represents hydrogen atom, R.sup.2 represents hydrogen atom, C(Z)CH.sub.3-n X.sub.n or C(Z)NHCH.sub.3-n X.sub.n or R.sup.1 and R.sup.2 together represents (CH.sub.2).sub.m, (CH.sub.2).sub.m-1 C(Z), N(R.sup.3)(CH.sub.2).sub.2 C(Z), (CH.sub.2).sub.m-2 NHC(Z) or (CH.sub.2).sub.m-2 OC(Z) in which X represents fluorine atom, chlorine atom, bromine atom, a methyl group or a methoxy group and n represents 0 or an integer of 1 to 3, Z represents oxygem atom or sulfur atom, m represents an integer of 4 or 5 and R.sup.3 represents hydrogen atom or a methyl group, and pharmacological acceptable salts of the compounds which can form salts, processes therefor and pharmaceutical use of the compounds.

REFERENCES:
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S. L. Allen, J. P. Boyle, J. Cortijo, R. W. Foster, G. P. Moran & R. C. Small, Br. J. Pharmac. (1986) 89, pp. 395-405, Electrical and mechanical effects of BRL34915 in guinea-pig isolated trachealis-Smooth Muscle Research Grp., Dept of Pharmacology--University of Manchester.
K Channel Blocker Supersensitivity--pp. 425-431.
M. Hollingsworth, T. Amedee, Diane Edwards, J. Mironneau, J. P. Savineau, R. C. Small & A. H. Weston, The relaxant action of BRL 34915 in rat uterus, Br. J. Pharmac (1987). 91, pp. 803-813,--Smooth Muscle Research Group, Dept. of Physiological Sciences, University of Manchester.
Drug License Opportunities IMS World Publications Ltd., News Round Up, 9/7/87, No. 312.

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