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Application filed by Pfizer IncfiledCriticalPfizer Inc
Priority to RO117307ApriorityCriticalpatent/RO91018B/en
Publication of RO91018ApublicationCriticalpatent/RO91018A/en
Publication of RO91018BpublicationCriticalpatent/RO91018B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la un procedeu pentru prepararea sarii cristaline a acidului S-6-fluor-4-ureidocroman-4-carboxilic cu D-(+)-1-fenetilamina sau L-(-) efedrina cu precursor care, în continuare este ciclizata cu acid acetic glacial spre a forma sorbinil dupa care se separa serbinilul sau sarea sa cationica acceptabila farmaceutic.The invention relates to a process for preparing crystalline salt of S-6-fluoro-4-ureidochroman-4-carboxylic acid with D - (+) - 1 -phenethylamine or L - (-) ephedrine with a precursor which is further cyclized with glacial acetic acid to form sorbinyl, separating serbinil or its pharmaceutically acceptable cationic salt.
RO117307A1983-11-151983-11-15Sorbinyl preparation process
RO91018B
(en)