Endothelin receptor antagonists

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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514316, 514322, 514364, 546187, 546199, 548126, A61K 3141, A61K 31445, C07D27112, C07D28514

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active

057261946

ABSTRACT:
Novel compounds of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, --A.dbd.B--C.dbd.D--, Ar and X have the meaning indicated in claim 1, and their salts show endothelin receptor-antagonistic properties.

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Inpadoc Abstract Services--U.S. Patent 5,378,715, EP 569,193 & WO 94279979.
Khaletsky et al., Synthesis of Piazothiole(3,4-Benzo-1,2,5-Thiodiazole) and Its Derivatives, Journal of General Chemistry, vol. 24 pp. 131-133, 1954.
Pesin et al., Chemistry of Heterocyclic Compounds, Khimiya Geterotsiklicheskikh Soedinenii, vol. 4, No. 5, pp. 587-588, 1968.
Chemical Abstract, vol. 49, No. 5, Abstract No. 3170a.
Chemical Abstract, vol. 71, No. 1, Abstract No. 3332m.

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