N-tert-butyl-2-ethoxy-2-oxoethanimine oxide 、
N-(1R,2R,3S,4R)-hex-5-ynoic acid (2,3,4,5-tetrahydroxy-1-vinyl-pentyl)-amide 以
1,4-二氧六环 为溶剂,
反应 336.0h,
以82%的产率得到(1''R,2''R,3''S,4''R)-2-tert-butyl-5-(1''-(hex-5'-ynoyl)amino-2,'',3'',4'',5''-tetrahydroxy-pentyl)-isoxazolidine-3-carboxylic acid ethyl ester