Process to prepare .alpha.-chloroalprazolam

Details Process to prepare .alpha.-chloroalprazolam Process to prepare .alpha.-chloroalprazolam

1985-04-17

1987-05-05

Raymond, Richard L.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

C07D48704

Patent

active

046634541

ABSTRACT:
.alpha.-Halomethylbenzodiazepines (II) are produced by direct halogenation of methylbenzodiazepines (I) using sulfuryl halide.

REFERENCES:
patent: 4141902 (1979-02-01), Hester
patent: 4235775 (1980-11-01), Meguro
patent: 4250094 (1981-02-01), Hester
J. Med. Chem. 23, 392 (1980) J. B. Hester et al. "1-(Aminoalkyl)-6-Aryl-4H-s-Triazolo[4,3-a]benzodiazepines with Antianxiety and Antidepressant Activity".

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