Benzoxazepinone process

Details Benzoxazepinone process Benzoxazepinone process

1989-09-29

1990-12-11

Gerstl, Robert

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

Organic compounds

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

C07D49804

Patent

active

049772589

ABSTRACT:
Compounds of formula III: ##STR1## wherein R.sup.1 is a 5- or 6-membered aromatic heterocyclic group; and R.sup.4 and R.sup.5 each idependently signify hydrogen, halogen, trifluoromethyl, cyano, nitro, amino or lower alkyl; are useful intermediates in a novel process for the preparation of a class of pharmacologically active compounds of formula I: ##STR2## wherein R.sup.1, R.sup.4 and R.sup.5 are as defined above; and R.sup.3 represents hydrogen or lower alkyl.

REFERENCES:
patent: 4622320 (1986-11-01), Ferrosan
patent: 4622321 (1986-11-01), Ferrosan
patent: 4880799 (1989-11-01), Watger

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