N-[(2R,3R,4R,5R,6R)-6-(azidomethyl)-4,5-dihydroxy-2-prop-2-enoxyoxan-3-yl]acetamide 、
(3-ethynylphenoxy)acetic acid 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以48 %的产率得到2-[3-(1-{[(2R,3R,4R,5R,6R)-5-acetamido-6-(allyloxy)-3,4-dihydroxytetrahydro-2H-pyran-2-yl]-methyl}-1H-1,2,3-triazol-4-yl)phenoxy]acetic acid