| 摘要 |
Title compds. (I; R1, R2 = H, C1-4 alkyl, alkoxymethyl, phenoxymethyl, phenylthiomethyl; R3 = H, C1-4 alkyl, C5-6 cycloalkyl, Ph, benzyl, benzhydryl, C3-5 alkanoyloxymethyl; x = halogen, CF3, CCl3, alkyl, alkoxy; A = single bond, substituted alkylene), useful diuretic, were prepd. from 3-substituted sulfamoyl benzoic acid derivs.(II, z = two H, one O) by redn. with HB complex in the presence of Lewis acid or various methods.
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