在
三(2-羰基乙基)磷盐酸盐 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 24.0h,
以51%的产率得到benzyl (4aS,6R,7R,8R,8aS)-6-[(2R,3S,4R,5S)-5-[(1R,2R,3S,5R,6S)-2-[(2R,3R,5S,6R)-6-(aminomethyl)-5-hydroxy-3-(phenylmethoxycarbonylamino)oxan-2-yl]oxy-6-hydroxy-5-[[3-hydroxy-1-[(2-methylpropan-2-yl)oxycarbonyl]azetidine-3-carbonyl]amino]-3-(phenylmethoxycarbonylamino)cyclohexyl]oxy-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-8-hydroxy-2-phenyl-7-(phenylmethoxycarbonylamino)-4,4a,6,7,8,8a-hexahydro-2H-pyrano[2,3-e][1,3]oxazine-3-carboxylate