(Z)-3(S),4(S),5(R)-triacetoxy-6(S)-[(3,4,5-trimethoxy)-(4'-methoxy-3'-(p-toluenesulfonyloxy)-2'-stilbenyloxy)]tetrahydropyran-2(S)-carboxylic acid methyl ester 在
水 、 sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以62%的产率得到(Z)-3(S),4(S),5(R)-trihydroxy-6(S)-[(3,4,5-trimethoxy)-(4'-methoxy-3'-hydroxy-2'-stilbenyloxy)]tetrahydropyran-2(S)-carboxylic acid