Benzodiazepine derivatives and process for preparing the same

Details Benzodiazepine derivatives and process for preparing the same Benzodiazepine derivatives and process for preparing the same

C - Chemistry, Metallurgy

07

D

260/239.1

C07D 513/08 (2006.01) C07C 233/00 (2006.01) C07C 233/02 (2006.01) C07C 237/00 (2006.01) C07D 487/04 (2006.01) C07D 491/08 (2006.01) C07D 498/04 (2006.01) C07D 498/08 (2006.01) C07D 513/04 (2006.01)

Patent

CA 1038381

ABSTRACT OF THE DISCLOSURE: New benzodiazepine compounds having the formula: (I) Image wherein R1, R2 and R3 are the same or different and each repre- sents hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, nitro group, cyano group, trifluoromethyl group; R4 represents hydrogen atom, a lower alkyl group, a cycloalkyl group having from 3 to 6 carbon atoms, an phenylalkyl group having from 1 to 3 carbon atoms in the alkyl moiety, a phenyl or naphthyl group or phenacyl group; R5 and R6 are the same or different and each represents hydrogen atom or a lower alkyl group; A represents a polymethylene having from 2 to 4 methylene groups which may be substituted with an alkyl group having 1 to 4 carbon atoms,a hydroxy-substituted lower alkyl group or phenyl group; and X represents oxygen atom or sulfur atom, are useful as ?inor tranquilizing drugs in the relief of various psychoneurotic depre ions. More particularly, they exert both tranquilizing and anti-depressant activities on the central nervous system and produce calmness and relaxation. In addition to such favourable psycholeptic properties, the benzodiazepine compounds of this invention have an extremely low toxicity to man and less tendency to produce side effects.

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