(3aR,4S,5R,6aR)-4-Dimethoxymethyl-2-(4-methoxycarbonyl-butyl)-5-(4-nitro-benzoyloxy)-4,5,6,6a-tetrahydro-3aH-cyclopenta[b]furan-3-carboxylic acid tert-butyl ester 在
barium dihydroxide 作用下,
以
甲醇 为溶剂,
反应 0.08h,
生成 (3aS,4R,5S,6aS)-4-Dimethoxymethyl-5-hydroxy-2-(4-methoxycarbonyl-butyl)-4,5,6,6a-tetrahydro-3aH-cyclopenta[b]furan-3-carboxylic acid tert-butyl ester