ES264417A1 - Procedure for the preparation of derivatives of isoindoline (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of derivatives of isoindoline (Machine-translation by Google Translate, not legally binding)
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Novartis AG
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JR Geigy AG
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Publication of ES264417A1publicationCriticalpatent/ES264417A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Indole Compounds
(AREA)
Abstract
Process for the preparation of certain isoindoline derivatives, specifically those of the general formula ** (See formula) ** in which R1 means a halogen atom or a low alkoxy group, R2 means hydrogen or a low alkyl group, R3 means hydrogen or a low alkyl group, R4 signifies hydrogen, a halogen atom, a lower alkoxy or alkanoylamino group, a carboxyl group, a nitro group or a carbamyl or sulfamyl group optionally substituted on the nitrogen by one or two radicals of low alkyl, a polymethylene radical or the 3-oxa-pentylene- (l, 5) radical and R5 means hydrogen, chlorine, bromine or a lower alkoxy group, characterized by being treated with an oxidizing agent a diphenylmethane derivative of the general formula ** (See formula) ** in which R4 'means a radical corresponding to the definition of R4, or a low alkyl radical, and R1, R2, R3 and R5 have the meaning indicated above. (Machine-translation by Google Translate, not legally binding)
ES0264417A1960-01-291961-01-28Procedure for the preparation of derivatives of isoindoline (Machine-translation by Google Translate, not legally binding)
ExpiredES264417A1
(en)
Procedure for the preparation of derivatives of 3,4-dihydroquinazoline dehydrogenable to the correspondents of quinazoline (Machine-translation by Google Translate, not legally binding)