ES208136A1 - Procedure for the preparation of new derivatives of isonicotinic acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new derivatives of isonicotinic acid (Machine-translation by Google Translate, not legally binding)
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Priority to ES208136ApriorityCriticalpatent/ES208136A1/en
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Process for the new preparation of new isonicotinic acid derivatives characterized in that the isonicotinic acid hydrazide is treated with a carbonyl compound of the general formula ro in which r represents an aliphatic or araliphatic alipylidene radical substituted with one or more groups containing at least 1 different carbon and hydrogen atom and that the condensation product obtained is optionally hydrogenated. (Machine-translation by Google Translate, not legally binding)
ES208136A1953-03-071953-03-07Procedure for the preparation of new derivatives of isonicotinic acid (Machine-translation by Google Translate, not legally binding)
ExpiredES208136A1
(en)
A procedure for the preparation of 3; 17-dioles of the ciclopentanopolihidrofenantreno series (Machine-translation by Google Translate, not legally binding)
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