Process for the preparation of imidazobenzodiazepines

Details Process for the preparation of imidazobenzodiazepines Process for the preparation of imidazobenzodiazepines

1980-02-21

1981-01-13

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D24506

Patent

active

042448689

ABSTRACT:
A multistep process is presented for the preparation of imidazobenzodiazepines of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, halogen, nitro and trifluoromethyl; Y is selected from the group consisting of hydrogen, halogen or trifluoromethyl; R.sub.1 is hydrogen or lower alkyl and R.sub.2 is a disubstituted amine
Also presented are novel intermediates utilized in the process.
The end products and intermediates are useful as sedatives, anxiolytics, muscle relaxants and anticonvulsants.
The end products are especially useful in intravenous compositions for use in preoperative anesthesia.

REFERENCES:
patent: 3492290 (1970-01-01), Field et al.
patent: 3887541 (1975-06-01), Tawada et al.

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