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 ES455538ApriorityCriticalpatent/ES455538A1/es
Publication of ES455538A1publicationCriticalpatent/ES455538A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
Un procedimiento para la preparación de nuevos derivados de piridina de la fórmula (**formula**) o una sal de adición de ácido o amoniaco cuaternaria respectiva, en donde R representa hidrógeno o alquilo inferior, R1 representa hidrógeno, alquilo inferior, cicloalquilo con 5 a 7 átomos de carbono, aril-alquilo inferior substituido o insubstituido, arilo substituido o insubstituido (incluyendo arilo heterociclico), o aroilo substituido o insubstituido, Ar representa un radical fenilico substituido o insubstituido y X representa oxigeno o azufre.
ES455538A1977-02-011977-02-01Un procedimiento para la preparacion de nuevos derivados de piperidina.
ExpiredES455538A1
(es)
Derivatives of 2-thiazolyl-oxamic acid substituted in position 4 by a thienyl or furyl radical, their preparation and use as pharmaceutical preparations