Benzothia(oxa)diazol derivatives and their use as endothelin-receptor antagonists

Novel compounds of the formula Iin whichR isX is O or S,andR1, R2, R3, R4, R5 and R6 have the meaning indicated in patent claim 1,or a tautomeric ring-closed form, and the (E) isomers and their saltsexhibit endothelin receptor-antagonistic properties.

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Bibliographische Detailangaben
Hauptverfasser: WERNER MEDERSKI, CLAUS JOCHEN SCHMITGES, CLAUDIA WILM, MARIA CHRISTADLER, DIETER DORSCH, MATHIAS OSSWALD
Format: Patent
Sprache:eng
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Zusammenfassung:Novel compounds of the formula Iin whichR isX is O or S,andR1, R2, R3, R4, R5 and R6 have the meaning indicated in patent claim 1,or a tautomeric ring-closed form, and the (E) isomers and their saltsexhibit endothelin receptor-antagonistic properties.