2-deoxy-4-O-diphenylphosphono-3-O-[(R)-3-tetradecanoyloxytetradecanoyl]-6-O-(2,2,2-trichloro-1,1-dimethylethoxycarbonyl)-2-(2,2,2-trichloroethoxycarbonylamino)-α-D-glucopyranosyl chloride 、
benzyl 2-deoxy-2-[(R)-3-tetradecanoyloxytetradecanoylamino]-3-O-(2,2,2-trichloroethoxycarbonyl)-β-D-glucopyranoside 在
4 A molecular sieve 、
silver trifluoromethanesulfonate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 4.0h,
以73%的产率得到benzyl 2-deoxy-6-O-[2-deoxy-4-O-diphenylphosphono-3-O-[(R)-3-tetradecanoyloxytetradecanoyl]-6-O-(2,2,2-trichloro-1,1-dimethylethoxycarbonyl)-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-glucopyranosyl]-3-O-(2,2,2-trichloroethoxycarbonyl)...