MANUFACTURE OF PYRIDO-(2,3-B)-(1,4)-BENZODIAZEPINES

Title:

MANUFACTURE OF PYRIDO-(2,3-B)-(1,4)-BENZODIAZEPINES

Document Type and Number:

Japanese Patent JPS57183790

Kind Code:

A

Abstract:

The invention relates to the preparation of pyrido[2,3-b]- [1,4]benzodiazepinone of the following formula (I): < IMAGE > by dehydration of the compound of the formula (II): < IMAGE > with metal catalysts and by means of other known dehydration systems.

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Inventors:

BITOMIIRU SUNJIKU
ROBERUTO TOOSO

Application Number:

JP6616982A

Publication Date:

November 12, 1982

Filing Date:

April 19, 1982

Export Citation:

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Assignee:

CRC RICERCA CHIM

International Classes:

B01J23/00; B01J25/00; C07B61/00; C07D211/76; C07D471/04; (IPC1-7): B01J23/40; B01J25/02; C07D471/04

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