[(2R,3S,4S,5R,6R)-6-[(3R,4S,5R,6R)-4-acetyloxy-5-bis(phenylmethoxy)phosphoryloxy-6-[(2S)-3-oxo-3-phenylmethoxy-2-(phenylmethoxycarbonylamino)propoxy]oxan-3-yl]oxy-2-[[tert-butyl(diphenyl)silyl]oxymethyl]-4,5-bis[(4-methylbenzoyl)oxy]oxan-3-yl] 4-methylbenzoate 在
四丁基氟化铵 、
溶剂黄146 作用下,
以85%的产率得到N-benzyloxycarbonyl-O-{O-[2,3,4-tri-O-(4-methylbenzoyl)-β-D-galactopyranosyl]-(1->4)-(3-O-acetyl-2-O-dibenzyloxyphosphinyl-β-D-xylopyranosyl)}-L-serine benzyl ester