[[(2R,3R,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-(2,3-dihydrobenzofuran-5-ylmethyl)phenyl]-6-methoxy-tetrahydropyran-2-yl]tert-butyl-dimethyl-methoxy]silane 、
乙酰氯 在
silica gel 、
[(2R,3R,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-(2,3-dihydrobenzofuran-5-ylmethyl)phenyl]-6-methoxy-tetrahydropyran-2-yl]methanol 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以to obtain the title compound [(2R,3R,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-(2,3-dihydrobenzofuran-5-ylmethyl)phenyl]-6-methoxy-tetrahydropyran-2-yl]methanol 5h (9.0 g, yellow liquid), yield: 88.1%的产率得到[(2R,3R,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-(2,3-dihydrobenzofuran-5-ylmethyl)phenyl]-6-methoxy-tetrahydropyran-2-yl]methanol