发明授权
US5015642A Benzothiazinone oxides, processes for their preparation, medicaments containing them and the use thereof, and intermediates for their preparation 失效
苯并噻嗪酮氧化物,其制备方法,含有它们的药物及其用途,以及其制备中间体

Benzothiazinone oxides, processes for their preparation, medicaments
containing them and the use thereof, and intermediates for their
preparation
摘要:
Compounds I ##STR1## in which R(1) and R(4) equal H, alkyl, alkoxy, Hal, CF.sub.3, NO.sub.2, OH, acetamido or amino;R(2) equals H, alk(en)yl or phenylalkyl (optionally substituted);R(3) equals H, (cyclo)alk(en)yl-(alkyl), phenyl or phenylalkyl (optionally substituted);A equal CHOH, CO, CH.dbd.CH, C.tbd.C, CH.sub.2, O or S;m equals 1 or 2;n equals 1 to 3;p equals 0 to 4;R(5) equals some amino groups, and their salts, exhibit excellent calcium-antagonistic activity.Processes for their preparation are described.
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