ES275019A1 - Procedure for the preparation of dihalogenated dioxidyaminoantraquinones (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of dihalogenated dioxidyaminoantraquinones (Machine-translation by Google Translate, not legally binding)
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Novartis AG
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Ciba Geigy AG
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Priority claimed from CH246661Aexternal-prioritypatent/CH404038A/en
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES275019A1publicationCriticalpatent/ES275019A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the preparation of dihalogenated dioxy diamino-anthraquinones, characterized in that an anthraquinone of the formula is treated with alkylating agents ** (See formula) ** in which one X means an oxy group, while the other X means an amino group and Hal means a chlorine or bromine atom. (Machine-translation by Google Translate, not legally binding)
ES0275019A1961-03-011962-02-28Procedure for the preparation of dihalogenated dioxidyaminoantraquinones (Machine-translation by Google Translate, not legally binding)
ExpiredES275019A1
(en)