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Novartis AG
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Ciba Geigy AG
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Publication of ES211565A1publicationCriticalpatent/ES211565A1/en
Transition And Organic Metals Composition Catalysts For Addition Polymerization
(AREA)
Abstract
Process for the partial elimination of oxogroups characterized in that their enols or enolates with hydrazine or its derivatives are heated to more than 175º d-dioxo compounds of the steroid series in the absence of a metallic alkaline compound. (Machine-translation by Google Translate, not legally binding)
ES0211565A1952-10-151953-10-07A procedure for the partial elimination of oxogrupos (Machine-translation by Google Translate, not legally binding)
ExpiredES211565A1
(en)
A procedure for the preparation of 3; 17-dioles of the ciclopentanopolihidrofenantreno series (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of a difficult derivative solubility of the calicreine inactivator (Machine-translation by Google Translate, not legally binding)