ES407576A1 - Procedure for the preparation of new 1,1'-diantraquinonyl. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new 1,1'-diantraquinonyl. (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 CH1497471Aexternal-prioritypatent/CH558406A/en
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES407576A1publicationCriticalpatent/ES407576A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the preparation of new 1,1'-diantraquinonilos of the formula ** (see formula) ** Wherein the anthraquinone nuclei can carry, in addition to z, optionally other substituents and Z means a urethane radical linked via the nitrogen atom, Characterized by being treated with copper powder in a strongly polar apronic solvent, optionally in the presence of a catalyst, 1-halogenanthraquinones of the formula ** (see formula) ** In which anthraquinone nuclei can eventually carry other substituents, X means halogen (preferably chlorine or bromine) and Z has the same meaning as before. (Machine-translation by Google Translate, not legally binding)
ES407576A1971-10-141972-10-13Procedure for the preparation of new 1,1'-diantraquinonyl. (Machine-translation by Google Translate, not legally binding)
ExpiredES407576A1
(en)
Procedure for preparing inzzles carrying the acetoximethyl-replaced group in position n. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new bifunctional compounds containing the group 2,4,8,10-tetraoxaspiro- (s, s) -undecano. (Machine-translation by Google Translate, not legally binding)