N-[3-(4-bromomethylene-7α-methyloctahydroinden-1-yl)-1-butylidene]phenethylamine N-oxide 、
2-苄基丙烯酸甲酯 以
甲苯 为溶剂,
反应 12.0h,
以96%的产率得到methyl 3-[(2R)-2-[(1R,3aR,7aR)-4-(bromomethylidene)-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]propyl]-5-benzyl-2-(2-phenylethyl)-1,2-oxazolidine-5-carboxylate