硫代乙酸 、
(2R,3S,4S,5R,6R)-5-Acetoxy-6-((2R,3S,4R,5R,6R)-2-acetoxymethyl-5-azido-4-benzyloxy-6-pent-4-enyloxy-tetrahydro-pyran-3-yloxy)-4-benzyloxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 反应 24.0h,
以70%的产率得到(2R,3S,4S,5R,6R)-5-Acetoxy-6-((2R,3S,4R,5R,6R)-2-acetoxymethyl-5-acetylamino-4-benzyloxy-6-pent-4-enyloxy-tetrahydro-pyran-3-yloxy)-4-benzyloxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester