Arylsulphonyl-benzo (or thieno)-2,31-diaza- - borine derivs active gram negative bacteria

摘要

Title cmpds. are of formula: where A = 5 or C=C, R1 = CF3, halogen, 1-4C alkyl or alkoxy, R5, R2 = H, or as in R1 (not CF3), R3, R4 = H or cation, X = 1-5C alkylene residue esp. (CH2)n where n = 2,3,4, opt. subst. with halogen, oxy, 1-4C alkoxy, amino, acylamino or dicarboxylic acid imido groups, or aryl.