4-allyloxy-2,2,6,6-tetramethyl-1-(2-methyl-1-phenylpropoxy)piperidine 、
(2S,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(allyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 23.0h,
以81%的产率得到(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(4-(2,2,6,6-tetramethyl-1-(2-methyl-1-phenylpropoxy)piperidine-4-yloxy)but-2-enyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate