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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Publication of ES410259A1publicationCriticalpatent/ES410259A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedimiento para preparar derivados de quinazolina representados por la fórmula **fórmula** en que D representa un grupo de fórmula**fórmula W representa oxígeno o azufre, n represente 0 o un numero entero de 1a 3: R1, R2 y R3 representan cada uno hidrógeno, halógeno, nitro, alcohilo C1-4,Alcoxi C1-4,alcohiltio C1- 4,alcohilsulfinilo C1-4'', trifluorometilo y R4 representa cicloalcohilo C3-6, y sus sales por adición de ácido farmaéuticamente aceptables, caracterizado porque comprende hacer reaccionar un derivado trihalogenoacetamido
ES410259A1969-08-041972-12-30Un procedimiento para preparar derivados de quinazolina.
ExpiredES410259A1
(es)