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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Sandoz AG
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Sandoz AG
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Publication date
Priority claimed from CH1020163Aexternal-prioritypatent/CH424789A/en
Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES303264A1publicationCriticalpatent/ES303264A1/en
"Procedure for the production of heterocyclic compounds", of formula I, **(See formula)** wherein R2 means a hydrogen atom or a (C1-C4) alkyl, phenyl or 1-methyl-4-piperidyl radical, characterized in that the compound of formula II is condensed, **(See formula)** with a compound of formula III, R2HN-NH2 III wherein R2 has the meaning indicated above, in a suitable inert organic solvent. (Machine-translation by Google Translate, not legally binding)
ES0303264A1963-08-191964-08-18Procedure for the production of heterociclic compounds. (Machine-translation by Google Translate, not legally binding)
ExpiredES303264A1
(en)
A procedure for the preparation of acil-anylides with basic substitutors and their derivatives (Machine-translation by Google Translate, not legally binding)