(R)-methoxytrifluoromethylphenylacetyl chloride 、
(2E,10Z)-(1S,5S,6R,14R)-10-(tert-Butyl-diphenyl-silanyloxymethyl)-5-hydroxy-3-isopropyl-6,14-dimethyl-15-oxa-bicyclo[12.1.0]pentadeca-2,10-diene-4,9-dione 在
N,N'-dimethylaminopyridine 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以0.8 mg的产率得到(S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (2E,10Z)-(1S,5S,6R,14R)-10-(tert-butyl-diphenyl-silanyloxymethyl)-3-isopropyl-6,14-dimethyl-4,9-dioxo-15-oxa-bicyclo[12.1.0]pentadeca-2,10-dien-5-yl ester