ethyl 2-[[(1S,7R,8R,11S,18R,21S,22S,28R,29R,32S,39R,42S)-26-(2-ethoxy-2-oxoethoxy)-3-tetradecacyclo[26.14.1.17,22.111,18.132,39.02,27.04,25.06,23.08,21.010,19.012,17.029,42.031,40.033,38]hexatetraconta-2,4,6(23),10(19),12,14,16,24,26,31(40),33,35,37-tridecaenyl]oxy]acetate 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以63%的产率得到ethyl 2-[[(1S,7R,11R,18S,22S,28R,32R,39S)-26-(2-ethoxy-2-oxoethoxy)-3-tetradecacyclo[26.14.1.17,22.111,18.132,39.02,27.04,25.06,23.08,21.010,19.012,17.029,42.031,40.033,38]hexatetraconta-2,4,6(23),8(21),9,12,14,16,19,24,26,29(42),30,33,35,37,40-heptadecaenyl]oxy]acetate