phenyl 2,3,4-tri-O-benzoyl-1-thio-6-O-<2,3,4-tri-O-benzoyl-6-O-bis-(2,2,2-trichloroethoxy)phosphoryl-α-D-mannopyranosyl>-α-D-mannopyranoside 在
溴 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以99%的产率得到(2R,3R,4S,5S,6S)-2-(((bis(2,2,2-trichloroethoxy)phosphoryl)oxy)methyl)-6-(((2R,3R,4S,5S,6R)-3,4,5-tris(benzoyloxy)-6-bromotetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate