[EN] PROCESS FOR THE PREPARATION OF [(1 S,2R)-3-[[(4-AMINOPHENYL)SULFONYL] (2-METHYLPROPYL)AMINO]-2-HYDROXY-1 -(PHENYLMETHYL)PROPYL]-CARBAMIC ACID (3R,3AS,6AR)HEXAHYDRO FURO[2,3-B]FURAN-3-YL ESTER AND ITS AMORPHOUS FORM<br/>[FR] PROCÉDÉ DE PRÉPARATION DE (3R,3AS,6AR)HEXAHYDROFURO[2,3-B]FURAN-3-YL ESTER D'ACIDE [(1S,2R)-3-[[(4-AMINOPHÉNYL) SULFONYL](2-MÉTHYLPROPYL)AMINO]-2-HYDROXY-1-(PHÉNYLMÉTHYL)PROPYL]-CARBAMIQUE ET SA FORME AMORPHE
申请人:MSN LABORATORIES PRIVATE LTD
公开号:WO2016207907A1
公开(公告)日:2016-12-29
The present invention relates to an improved process for the preparation of [(1 S,2R)-3-[ [(4-aminophenyl)sulfonyl] (2-methylpropyl)amino]-2-hydroxy- 1 -(phenylmethyl)propyl] - carbamic acid (3R,3aS,6aR)hexahydrofuro[2,3-b]furan-3-yl ester compound of formula- 1 represented by the following structural formula:
本发明涉及一种改进的制备过程,用于制备以下结构式表示的化合物的酯:[(1 S,2R)-3-[ [(4-aminophenyl)sulfonyl] (2-methylpropyl)amino]-2-hydroxy- 1 -(phenylmethyl)propyl] - carbamic acid (3R,3aS,6aR)hexahydrofuro[2,3-b]furan-3-yl。