在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
phosphate buffer 、
二氯甲烷 为溶剂,
以70%的产率得到6-[(2R,3R,4R,5S,6R)-4-Acetoxy-5-[(2S,3R,4S,5R,6R)-5-benzyloxy-6-benzyloxymethyl-4-hydroxy-3-(4-oxo-pentanoyloxy)-tetrahydro-pyran-2-yloxy]-6-benzyloxymethyl-3-(2,2,2-trichloro-ethoxycarbonylamino)-tetrahydro-pyran-2-yloxy]-hexanoic acid methyl ester