(1R,4S,5R)-3-(benzo[b]thiophen-5-yl)methoxy-2-[(benzo[b]thiophen-5-yl)methyl]-1,4-dihydroxycyclohex-2-ene-1,5-carbolactone 、
sodium methylate 在
甲醇 作用下,
以
乙腈 为溶剂,
反应 2.0h,
以40%的产率得到methyl (1R,4S,5R)-3-(benzo[b]thiophen-5-yl)methoxy-2-(benzo[b]thiophen-5-yl)methyl-1,4,5-trihydroxycyclohex-2-ene-1-carboxylate