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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Priority claimed from JP2114470Aexternal-prioritypatent/JPS4839953B1/ja
Priority claimed from JP2240170Aexternal-prioritypatent/JPS4833757B1/ja
Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Publication of ES389084A1publicationCriticalpatent/ES389084A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
A method of producing benzodiazepine derivatives represented by the formula **(See formula)** wherein R1 represents a hydrogen atom, a halogen atom, a nitro group, a trifluoromethyl group or a C1-4 alkoxy group; R2 and R3 individually represent a hydrogen atom, a C1-4 alcohol group, a halogen atom or a trifluoromethyl group; R4 represents a hydrogen atom, a C1-4 alcohol group, a phenyl group or an aralcohyl group; and n represents an integer from 1 to 4, or salts thereof, comprising hydrolyzing a benzodiazepine derivative, or a salt thereof, represented by the formula **(See formula)** wherein R1, R2, R3, R4 and n are as defined above, and R represents a carboxylic acyl group, a tetrahydrofuranyl group or a tetrahydropyranyl group. (Machine-translation by Google Translate, not legally binding)
ES389084A1970-03-111971-03-10
A PROCEDURE TO PRODUCE BENZODIAZEPINE DERIVATIVES.
ExpiredES389084A1
(en)