(3aR,4R,5R,7R,8S,9R,9aS,12R)-7-ethyl-8-hydroxy-4,7,9,12-tetramethyl-3-oxodecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-(tosyloxy)acetate 、
1-N-boc-4-疏基哌啶 以
甲醇 为溶剂,
反应 18.0h,
生成
tert-butyl 4-((2-(((3aR,4R,5R,7R,8S,9R,9aS,12R)-7-ethyl-8-hydroxy-4,7,9,12-tetramethyl-3-oxodecahydro-4,9a-propanocyclopenta[8]annulen-5-yl)oxy)-2-oxoethyl)thio)piperidine-1-carboxylate