(3E,5E,7E,9E,11E,13E,15E)-1,18-bis[(4R)-4-hydroxy-2,6,6-trimethylcyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15-heptaen-17-yn-2-one 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以5%的产率得到(3E,5E,7E,9E,11E,13E,15E)-18-[(4R)-4-hydroxy-2,6,6-trimethylcyclohexen-1-yl]-1-[(1R,4S,6S)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15-heptaen-17-yn-2-one