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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John Wyeth and Brother Ltd
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John Wyeth and Brother Ltd
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Publication date
Application filed by John Wyeth and Brother LtdfiledCriticalJohn Wyeth and Brother Ltd
Priority to ES455540ApriorityCriticalpatent/ES455540A1/es
Publication of ES455540A1publicationCriticalpatent/ES455540A1/es
Un procedimiento para la preparación de nuevos derivados de piperidina que tienen la formula: (**formula**) o una sal de adición de ácido o amoniaco cuaternaria respectiva, en donde R representa hidrógeno o alquilo inferior, R1 representa aroilo substituido o insubstituido, Ar representa un radical fonilico substituido o insubstituido y X representa oxigeno o azufre.
ES455540A1977-02-011977-02-01Un procedimiento para la preparacion de nuevos derivados de piperidina.
ExpiredES455540A1
(es)