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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Priority to ES0215233ApriorityCriticalpatent/ES215233A2/es
Publication of ES215233A2publicationCriticalpatent/ES215233A2/es
Mejoras en el objeto de la patente principal. nª 211.661, por Procedimiento para la preparación de N- Gamma-Picolil)-amidas del ácido trópico substituidas, caracterizadas porque se condensa el cloruro de ácido trópico, eventualmente acetilado, con una alcoíl- (gamma-picolil)-amina, cuyo radical alcoílo contiene 3 o 4 átomos de carbono y eventualmente, porque se separa el grupo acetilo.
ES0215233A1954-05-081954-05-08PROCEDIMIENTO PARA LA PREPARACIoN DE N-(GAMMA-PICOLIL)-AMIDAS DEL áCIDO TRoPICO SUSTITUIDAS
ExpiredES215233A2
(es)