三甲基氰硅烷 、
N-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)neopentylideneamine 在
zinc(II) chloride 作用下,
以
氯仿 为溶剂,
反应 2.0h,
以10%的产率得到2,2-Dimethyl-propionic acid (2R,3R,4S,5S,6R)-2-((S)-1-cyano-2,2-dimethyl-propylamino)-3,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester