Dihydropyridinecarboxylic acid anhydrides
The invention relates to the compounds of formula I (I) wherein R is lower alkyl or hydrogen; R1 is hydrogen, lower alkyl or aryl-lower alkyl; R2 is hydrogen, nitro, cyano trifluoromethyl, halo, lower alkoxy, lower alkyl, lower alkoxycarbonyl, aminocarbonyl or mono- or di-lower alkylaminocarbonyl, a...
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Zusammenfassung: | The invention relates to the compounds of formula I (I) wherein R is lower alkyl or hydrogen; R1 is hydrogen, lower alkyl or aryl-lower alkyl; R2 is hydrogen, nitro, cyano trifluoromethyl, halo, lower alkoxy, lower alkyl, lower alkoxycarbonyl, aminocarbonyl or mono- or di-lower alkylaminocarbonyl, amino or mono- or di-lower alkylamino; and pharmaceutically acceptable salts thereof when R1 is hydrogen; which are useful as endothelin antagonists.
The invention relates to the compounds of formula I (I) wherein R is lower alkyl or hydrogen; R1 is hydrogen, lower alkyl or aryl-lower alkyl; R2 is hydrogen, nitro, cyano trifluoromethyl, halo, lower alkoxy, lower alkyl, lower alkoxycarbonyl, aminocarbonyl or mono- or di-lower alkylaminocarbonyl, amino or mono- or di-lower alkylamino; and pharmaceutically acceptable salts thereof when R1 is hydrogen; which are useful as endothelin antagonists. |
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