6,11,17,22,28,33-Hexatert-butyl-36,37,38,39-tetrahydroxy-2-oxaoctacyclo[29.3.1.11,4.19,13.115,19.120,24.126,30.03,8]tetraconta-3,5,7,9,11,13(39),15(38),16,18,20,22,24(37),26(36),27,29,31,33-heptadecaen-35-one 在
三乙基硅烷 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以49%的产率得到4,10,18,24,29,35-Hexatert-butyl-14-oxaoctacyclo[31.3.1.12,6.122,26.127,31.08,13.012,16.015,20]tetraconta-1(36),2,4,6(40),8(13),9,11,15(20),16,18,22(39),23,25,27,29,31(38),33(37),34-octadecaene-37,38,39,40-tetrol