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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Publication of ES461254A1publicationCriticalpatent/ES461254A1/es
Un procedimiento para la preparación derivados de 1,4-dihidropiridina de fórmula: *(Ver fórmula 1)*, en la cual R1 es fenilo que puede tener uno o más sustituyentes apropiados seleccionados entre halógeno, nitro, halometilo y aliloxi o furilo, R2 y R3 son cada uno, iguales o diferentes, carboxi esterificado, y uno entre R4d y R5d es metilo y el otro es ciano o cianometilo, o R4d es metilo y R3 y R5d se combinan para formar un grupo.
ES461254A1975-09-291977-08-01Un procedimiento para la preparacion de derivados de 1,4-di-hidropiridina.
ExpiredES461254A1
(es)