1H-benzo[d][1,2,3]triazol-1-yl 2-(pyridin-2-yldisulfanyl)ethyl carbonate 、
雷帕霉素 在
4-二甲氨基吡啶 作用下,
以
二氯甲烷 为溶剂,
以70%的产率得到[(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1-hydroxy-12-[(2R)-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-2,3,10,14,20-pentaoxo-11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraen-18-yl] 2-(pyridin-2-yldisulfanyl)ethyl carbonate