(3aR,4S,6S,7R,7aR)-6-azido-7-hydroxy-4-methoxy-3-methyl-3a,4,5,6,7,7a-hexahydro-1,3-benzoxazol-2-one 、 Acetic acid (3S,6R)-3-(2,4-dinitro-phenylamino)-6-{[methyl-((S)-1-phenyl-ethyl)-amino]-methyl}-tetrahydro-pyran-2-yl ester 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以65%的产率得到4-azido-1-N,2-O-carbonyl-1,4,5-trideoxy-3-O-<2'-(2,4-dinitrophenylamino)-6'-<(1S)-phenylethyl>-methylamino-2',3',4',6'-tetradeoxy-α-L-erythro-hexopyranosyl>-6-O-methyl-1-(methylamino)-L-chiro-inositol