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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Priority to ES0197539ApriorityCriticalpatent/ES197539A1/es
Publication of ES197539A1publicationCriticalpatent/ES197539A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para la preparación de D-treo-l-p-nitrofenil-2-dicloroacetamino-l.3-propan-diol que comprende el acilado completo de un éster de L-treo-beta-fenil-serina nitración del producto de acilación e hidrolizado del compuesto formado para obtener L-treo-beta-p-nitrofenil-serin que se ha formado con un éter dicloroacetimido-alquílico para producir -2-diclorometil-4-carbalcoxi-5-p-nitrofenil-oxazolina reducción de esta última a D-2-diclorometil-4--hidroximetil-5-p-nitrofenil-oxazolina y conversión de esta última por medio de un agente de hidrolización en el D-treo-l-p-nitrofenil-2-dicloroacetamino~1.3-propan-diol.
ES0197539A1951-04-231951-04-23PROCEDIMIENTO PARA LA PREPARACIoN DE D-TREO-1-F-NITROFENIL-2-DICLOROACETAMINO-1. 3-PROPAN-DIOL
ExpiredES197539A1
(es)