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Novartis AG
BASF Schweiz AG
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Ciba Geigy AG
Ciba AG
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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES221055A1publicationCriticalpatent/ES221055A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for obtaining a new hydroquinone compound, characterized in that p-quinone is allowed to react with an ethylene-imino amount greater than that corresponding to the 3: 2 molecular ratio and because 2,5-di-ethylene is isolated -imino-hydroquinone obtained or the 2,5-diethylene-imino-p-quinone is treated with reductants and, if appropriate, the salts of the 2,5-di-ethylemoimino-hydroquinone are formed. (Machine-translation by Google Translate, not legally binding)
ES0221055A1954-04-301955-04-04A procedure for obtaining a new hydroquinone compound (Machine-translation by Google Translate, not legally binding)
ExpiredES221055A1
(en)
Procedure for the preparation of new oxazolinic and tiazolinic derivatives with nematocide action (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 3; 17-dioles of the ciclopentanopolihidrofenantreno series (Machine-translation by Google Translate, not legally binding)