ES323275A1 - Procedure for the obtaining of derivatives of antraquinona-tetra-alfa-substitute. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of derivatives of antraquinona-tetra-alfa-substitute. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Bayer AG
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Bayer AG
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Priority claimed from DEF45294Aexternal-prioritypatent/DE1285646B/en
Application filed by Bayer AGfiledCriticalBayer AG
Publication of ES323275A1publicationCriticalpatent/ES323275A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
"Process for the preparation of anthraquinone derivatives tetra, - α -substituted" characterized in that a Mol of a 5,8-dichloro-anthraquinone, which in position 1 and 4 is replaced by hydroxy and/or omino radicals and which if appropriate, it is substituted in the 2 and/or 3 position by chlorine or bromine, it is reacted with approximately one mol of ammonia or one mol of one, primary or secondary amine, acid amide or mercaptan and the reaction product, if appropriate, it is reacted again with a reaction component different from that of the first reaction and the final reaction products, if necessary, are subsequently sulfided. (Machine-translation by Google Translate, not legally binding)
ES0323275A1965-02-191966-02-19Procedure for the obtaining of derivatives of antraquinona-tetra-alfa-substitute. (Machine-translation by Google Translate, not legally binding)
ExpiredES323275A1
(en)
Procedure for the preparation of N- (2-amino-3,5-dibromobenciliden) -trans-4-amino-ciclohexanol. (Machine-translation by Google Translate, not legally binding)
Procedure for preparation of N- (2-dietlamino) etil-2-metoxi-4-substitute-5-chlorobenzamide. (Machine-translation by Google Translate, not legally binding)