| 摘要 |
Imidazo(1,5-a)(1,4) benzodiazepine-3-carboxamide derivs. of formula (I) and their salts are new: R1 = H, lower dialkylaminoalkyl or lower alkyl; R2 = H, lower alkanoyl or lower alkyl; R3 = H, lower alkanoyloxy or OH; Ar = o-R4-phenyl; R4 = Cl, Br, F or CF3; R5 = H, F or Cl; provided that (i) R3 is not OH when R2 = alkanoyl and (ii) R3 = H when R1 = dialkylaminoalkyl. - Specifically R1 = H; R2 = H or Et; R4 = Cl or F; R5 = H.
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