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Bases Y Derivados S A
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Bases Y Derivados S A
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Application filed by Bases Y Derivados S AfiledCriticalBases Y Derivados S A
Priority to ES510418ApriorityCriticalpatent/ES510418A0/es
Publication of ES8307206A1publicationCriticalpatent/ES8307206A1/es
Publication of ES510418A0publicationCriticalpatent/ES510418A0/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE D(-)~C FENILGLICINA. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE PROCEDE AL DESDOBLAMIENTO DE DL~C FENILGLICINA MEDIANTE EL ACIDO D(+) CANFOSULFONICO EN PRESENCIA DE ACIDO CLOHIDRICO, PARA OBTENER UNA SAL CRISTALIZADA DE D(-)~C FENILGLICINA; SEGUNDA, DICHA SAL DE D(-)~C FENILGLICINA SE SUSPENDE EN AGUA A LA VEZ QUE SE LE AÑADE HIDROXIDO POTASICO HASTA CONSEGUIR UN PH DE 7; TERCERA, LA SUSPENSION ACUOSA SE ENFRIA Y SE FILTRA PARA SEPARAR LA D(-)~C FENILGLICINA; Y POR ULTIMO, EL LIQUIDO OBTENIDO AL FILTRAR LA SAL DE D(-)~C FENILGLICINA SE NEUTRALIZA CON HIDROXIDO POTASICO HASTA CONSEGUIR UN PH DE 7, SE ENFRIA, SE FILTRA Y SE UTILIZA EL FILTRADO PARA LA FASE SIGUIENTE.
ES510418A1982-02-231982-02-23Procedimiento para la obtencion de d(-)alfa fenilglicina.
GrantedES510418A0
(es)
Method for purification and utilization of the post-production liquors from the production of sodium salt of the 1-hydroxy-4-sulfo-2-naphtic acid actadecyloamide
Method for floculating microscopic particles in suspension in a liquid and application to the collection of phytoplankton microalgae and zooplankton and for the purification of used water