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
Original Assignee
John Wyeth and Brother Ltd
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Filing date
Publication date
Application filed by John Wyeth and Brother LtdfiledCriticalJohn Wyeth and Brother Ltd
Priority to ES455539ApriorityCriticalpatent/ES455539A1/es
Publication of ES455539A1publicationCriticalpatent/ES455539A1/es
Un procedimiento para la preparación de nuevos derivados de piperidina que tienen la formula (**formula**) o una sal de adicion de ácido o amoniaco cuaternaria respectiva, en donde R representa hidrógeno o alquilo inferior, Rl representa alquilo interior, cicloalquilo con 5 a 7 átomos de carbono, aril-alquilo inferior substituido o insubstituido (incluyendo arilo hetercocíclico), Ar representan un radical fenilico substituido o insubstituido y X representa oxígeno o azufre.
ES455539A1977-02-011977-02-01Un procedimiento para la preparacion de nuevos derivados de piperidina.
ExpiredES455539A1
(es)