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Mefar S A
Sintenovo S A
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Mefar S A
Sintenovo S A
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Application filed by Mefar S A, Sintenovo S AfiledCriticalMefar S A
Priority to ES551355ApriorityCriticalpatent/ES8706599A1/es
Publication of ES551355A0publicationCriticalpatent/ES551355A0/es
Publication of ES8706599A1publicationCriticalpatent/ES8706599A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE ACIDOS CARBOXILICOS. CONSISTE EN OXIDAR LOS COMPUESTOS 2-(4-ALQUILFENIL)PROPANALDEHIDO CON CLORITO SODICO EN UN MEDIO ACIDO Y AISLAR EL PRODUCTO POR: EXTRACCION CON UN DISOLVENTE ORGANICO, POSTERIOR DESTILACION DEL MISMO O BIEN POR PRECIPITACION DE UNA SOLUCION ORGANICA, DE LA SAL INORGANICA COMO LA SODICA, POTASICA, CALCICA Y OTRAS Y POSTERIOR ACIDIFICACION DE ESTAS, PARA OBTENER LOS ACIDOS CARBOXILICOS DE FORMULA (I) EN LA QUE R REPRESENTA UN RADICAL ALQUIL DE C 1 A 5 COMO PUEDE SER METIL, ETIL, PROPIL, ISOPROPIL, BUTIL, ISOBUTIL, PENTIL Y OTROS. TIENE APLICACIONES EN LA INDUSTRIA FARMACEUTICA. *FORMULA*
ES551355A1985-12-301985-12-30Procedimiento industrial para la obtencion de acidos carboxilicos.
ExpiredES8706599A1
(es)
Analogifremgangsmaade til fremstilling af 4-oxo-4h-oe1aa-benzopyran-8-yl-alkansyrer eller estere eller dialkylaminoalkylamider deraf eller alkalimetalsalte deraf samt 4-oxo-4h-oe1aa-benzopyran-8-yl-alkannitriler til anvendelse som mellemprodukter