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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES199983A1publicationCriticalpatent/ES199983A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para la preparación de D-trec-1-p-nitrofenil-2-dicloroacetamino-1,3-propano-diol, caracterizado por el hecho de que se hace reaccionar un éster alcoílico de la L-trec-beta-p-nitrofenil-serina con cloruro de dicloroacetilo, o el anhídrido dicloroacético, y que se reduce al éster alcoílico de la L-treco-N-dicloroacetamino-beta-p-nitrofenil-serina obtenido, de manera selectiva, para producir el D-treo-1-nitrofenil-2-dicloroacetamino-1,3-propano-diol.
ES0199983A1950-10-271951-10-13UN PROCEDIMIENTO PARA LA PREPARACIoN DEL D-TREO-1-F-NITROFENIL-2-DICLOROACETAMINO - 1,3 - PROPAN-DIOL (CLOROANFENICOL)
ExpiredES199983A1
(es)