叔丁基二甲硅基三氟甲磺酸酯 、
雷帕霉素 在
2,6-二甲基吡啶 作用下,
以
二氯甲烷 为溶剂,
以75%的产率得到(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-18-[tert-butyl(dimethyl)silyl]oxy-12-[(2R)-1-[(1S,3R,4R)-4-[tert-butyl(dimethyl)silyl]oxy-3-methoxycyclohexyl]propan-2-yl]-1-hydroxy-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraene-2,3,10,14,20-pentone