(S)-4-(3-{(R)-7-[3-(2-Azidomethyl-oxazol-5-yl)-1-methoxymethyl-1H-indol-4-yl]-3-hydroxymethyl-2,3-dihydro-benzofuran-3-yl}-4-methoxy-benzyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester 在
草酰氯 、
二甲基亚砜 、
三乙胺 作用下,
以88%的产率得到(S)-4-(3-{(S)-7-[3-(2-Azidomethyl-oxazol-5-yl)-1-methoxymethyl-1H-indol-4-yl]-3-formyl-2,3-dihydro-benzofuran-3-yl}-4-methoxy-benzyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester