PROCESS FOR THE PREPARATION OF (2A, 5B, 7B, 10B, 13A)-4ACETOXY-13-({2R,3S)-3-(TERTBUTOXYCARBONYL) AMINO-2-HYDROXY-3-PHENYLPROPANOYL} OXY)-1-HYDROXY-7,10-DIMETHOXY-9-OXO-5,20-EPOXYTAX-11-EN-2-YL BENZOATE

摘要

The present invention relates to a process for the preparation of (2a,5p,7p,10p,13a)-4-acetoxy-13-({(2R,3S)-3-[(tertbutoxycarbonyl)amino]-2-hydroxy-3-phenylpropanoyl}oxy)-l-hydroxy-7,10-dimethoxy-9-oxo-5,20-epoxytax-ll-en-2-yl benzoate compound of formula-1 and intermediates thereof. Formula-1