(R)-2,2-Dimethyl-5-((3aR,5S,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-[1,3]dioxolane-4-carbaldehyde 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
生成
1,2:3,4:6,7-tri-O-isopropylidene-α-D-threo-D-galacto-octodialdo-1,5-pyranose