N-propargyl 1,2,3,4-tetra-O-acetyl-β-D-glucopyranuronamide 、
Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(4-{[((2S,3S,4S,5R,6R)-3,4,5-triacetoxy-6-azido-tetrahydro-pyran-2-carbonyl)-amino]-methyl}-[1,2,3]triazol-1-yl)-tetrahydro-pyran-3-yl ester 在
溴化三(三苯基磷)铜 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以54%的产率得到[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[4-[[[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-[4-[[[(2S,3S,4S,5R,6S)-3,4,5,6-tetraacetyloxyoxane-2-carbonyl]amino]methyl]triazol-1-yl]oxane-2-carbonyl]amino]methyl]triazol-1-yl]oxan-2-yl]methyl acetate