在
sodium methylate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 3.0h,
以67%的产率得到(4R,5S,6S,7R,8R,10R,11R,12S,13S,14R,26R,27S,28S,29R,30R,32R,33R,34S,35S,36R)-2,9,16,24,31,38,48,49,53,54-decaoxanonacyclo[37.5.3.317,23.14,8.110,14.126,30.132,36.042,46.020,51]tetrapentaconta-1(45),17(52),18,20(51),21,23(50),39(47),40,42(46),43-decaene-5,6,7,11,12,13,27,28,29,33,34,35-dodecol