(E)-4-((3aR,6S,7S,7aS)-7-Hydroxy-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yl)-3-methyl-but-2-enoic acid methyl ester 在
对甲苯磺酸 作用下,
以
various solvent(s) 为溶剂,
生成
(E)-4-((3aS,4S,7R,7aR)-7-Hydroxy-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-yl)-3-methyl-but-2-enoic acid methyl ester