tert-butyl (3R,11S,19R,22R)-3-(2-azidoethyl)-12-methyl-22-(2-methylprop-1-enyl)-2-oxo-1,10,12-triazahexacyclo[15.4.1.03,19.04,9.011,19.013,18]docosa-4,6,8,13,15,17-hexaene-10-carboxylate 在
三丁基膦 作用下,
以
正己烷 、
甲苯 为溶剂,
反应 1.0h,
以83%的产率得到tert-butyl (6R,14S,22R,25R)-15-methyl-25-(2-methylprop-1-enyl)-1,3,13,15-tetrazaheptacyclo[18.4.1.02,6.06,22.07,12.014,22.016,21]pentacosa-2,7,9,11,16,18,20-heptaene-13-carboxylate