草酰氯 、 、
二甲基亚砜 、
[(2R,3R,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-[(2,3-difluoro-4-methoxy-phenyl)methyl]phenyl]-6-methoxy-tetrahydropyran-2-yl]methanol 、
三乙胺 在
盐酸 、
magnesium sulfate 、
(2S,3S,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-[(2,3-difluoro-4-methoxy-phenyl)methyl]phenyl]-6-methoxy-tetrahydropyran-2-carbaldehyde 作用下,
以
二氯甲烷 为溶剂,
反应 2.42h,
以to obtain the title compound (2S,3S,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-[(2,3-difluoro-4-methoxy-phenyl)methyl]phenyl]-6-methoxy-tetrahydropyran-2-carbaldehyde 2k (1.24 g, yellow solid), which的产率得到(2S,3S,4S,5R,6S)-3,4,5-tribenzyloxy-6-[4-chloro-3-[(2,3-difluoro-4-methoxy-phenyl)methyl]phenyl]-6-methoxy-tetrahydropyran-2-carbaldehyde