Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to ECSP972142priorityCriticalpatent/ECSP972142A/es
Publication of ECSP972142ApublicationCriticalpatent/ECSP972142A/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
El invento consiste en: un procedimiento para la preparación de un compuesto de la fórmula I (gráfico), que comprende la ciclación de un compuesto de fórmula II:(gráfico).
ECSP9721421997-06-041997-06-04Procedimiento para la preparacion de sildenafil
ECSP972142A
(es)