methyl 2-[(5,5-dimethyl-4-oxohex-2-yn-1-yl)(methyl)amino]-2-(trifluoromethyl)pent-4-enoate 在
Hoveyda-Grubbs catalyst second generation 、
乙烯 作用下,
以
甲苯 为溶剂,
反应 3.0h,
以70%的产率得到methyl 5-(4,4-dimethyl-3-oxopent-1-en-2-yl)-1-methyl-2-(trifluoromethyl)-1,2,3,6-tetrahydropyridine-2-carboxylate