N-((R)-1-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-yl)but-3-en-1-yl)hydroxylamine 、
6,7-dideoxy-1,2:3,4-di-O-isopropylidene-α-D-galacto-octodialdo-1,5-pyranose 在
magnesium sulfate 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以76%的产率得到(R,Z)-1-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)-N-(3-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)propylidene)but-3-en-1-amine oxide