(5R)-5-(azidomethyl)-3-(3-fluoro-4-imidazol-1-ylphenyl)-4,5-dihydro-1,2-oxazole 、
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-[but-3-ynyl(methyl)amino]-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one 在
copper(l) iodide 2,6-二甲基吡啶 作用下,
以
乙腈 为溶剂,
以44%的产率得到(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-11-[(2S,3R,4S,6R)-4-[2-[1-[[(5R)-3-(3-fluoro-4-imidazol-1-ylphenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]triazol-4-yl]ethyl-methylamino]-3-hydroxy-6-methyloxan-2-yl]oxy-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one