Process for preparing dibenzocycloheptene compounds

Details Process for preparing dibenzocycloheptene compounds Process for preparing dibenzocycloheptene compounds

1997-12-22

1999-08-03

Burn, Brian M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564405, C07C20938

Patent

active

059327677

ABSTRACT:
Protriptyline can be prepared from 5-dihydrodibenzocycloheptatriene, by deprotonation, followed by reaction at low temperatures with 1,3-bromochloropropane to give the 5-(chloropropyl)-dibenzocycloheptatriene, which is reacted with methylamine in a displacement reaction to give the protriptyline product.

REFERENCES:
patent: 3383420 (1968-05-01), Wendler et al.
patent: 3709947 (1973-01-01), Cusic
patent: 3922305 (1975-11-01), Engelhardt
patent: 4235820 (1980-11-01), Evans

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