Diphenylmethyl aminoxy-[3-fluoro-4,5-bis-[(2-methoxy-ethoxy)-methoxy]-phenyl]-acetate 、
2-oxo-2-(2-(tritylamino)thiazol-4-yl)acetic acid 在
氮 、 silica 、
二氯甲烷,丙烷-2-酮 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以to obtain 0.612 g of the expected product with a Rf=0.35 [eluant: dichloromethane-methanol (9-1)]的产率得到[[[1-[3-Fluoro-4,5-bis-[(2-methoxy-ethoxy)-methoxy]-phenyl]-2-oxo-2-(diphenylmethoxy)-ethyl]-oxy]-imino]-[2-[(triphenylmethyl)-amino]-thiazol-4-yl]-acetic acid