(R,Z)-N-(2-(benzyloxy)ethylidene)-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)but-3-en-1-amine oxide 以
甲苯 为溶剂,
反应 72.0h,
以80%的产率得到(2S,4S,6R)-2-(benzyloxymethyl)-6-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)-7-oxa-1-azabicyclo[2.2.1]heptane