Derivatives of 10,11-dihydrobenzo 4,5 cyclohepta l,2- b...

Details Derivatives of 10,11-dihydrobenzo 4,5 cyclohepta l,2- b... Derivatives of 10,11-dihydrobenzo 4,5 cyclohepta l,2- b...

C - Chemistry, Metallurgy

07

D

260/273, 260/246

C07D 471/04 (2006.01)

Patent

CA 1083149

Abstract This invention relates to new derivatives of 10,11- dihydrobenzo[4,5]cyclohepta[1,2-b]pyrazolo[4,3-e]pyridin- 5(1H)ones having the general formula Image wherein R1 is lower alkyl, phenyl or phenyl-lower alkyl; R2 is hydrogen, lower alkyl or phenyl; R3 is hydrogen, hydroxy, lower alkoxy, halogen, di(lower alkyl)amino(lower alkoxy) or the group Image wherein R4 and R5 each is hydrogen, lower alkyl, ?henyl, carbo-lower alkoxy or di(lower alkyl)amino- (lower alkyl) or Image together is one of the unsubstituted heterocyclics piperidine, piperazine, morpholine or thiamor- pholine or one of said heterocyclics substituted with a lower alkyl or hydroxy lower alkyl group and salts thereof and process for preparing these compounds which are useful as psychotropic agents.

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