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Diamalt AG
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Diamalt AG
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Priority to ES483181ApriorityCriticalpatent/ES483181A1/es
Publication of ES483181A1publicationCriticalpatent/ES483181A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento mejorado para la preparación de ácido 4- hidroxifenilacético, caracterizado porque a) se hace reaccionar otro-clorofenol con ácido glioxílico para formar ácido 3-cloro-4-hidroxi-amigdálico, b) se reduce el ácido 3- cloro-4-hidroxi-amigdálico para formar ácido 3-cloro-4- hidroxi-fenilacético y c) se separa el cloro a partir del 3- cloro-4-hidroxi-fenilacético.
ES483181A1979-08-071979-08-07Procedimiento mejorado para la preparacion de acido 4-hidro-xifenilacetico
ExpiredES483181A1
(es)