(Z)-7-[(1S,2R,3S,4R)-3-((E)-(3R,4S)-3-Hydroxy-4-phenyl-pent-1-enyl)-7-oxa-bicyclo[2.2.1]hept-2-yl]-hept-5-enoic acid methyl ester 在
对甲苯磺酸 、
lithium diisopropyl amide 作用下,
以
二氯甲烷 为溶剂,
反应 1.67h,
生成 (Z)-2-Phenylselanyl-7-{(1S,2R,3S,4R)-3-[(E)-(3R,4S)-4-phenyl-3-(tetrahydro-pyran-2-yloxy)-pent-1-enyl]-7-oxa-bicyclo[2.2.1]hept-2-yl}-hept-5-enoic acid methyl ester