1,2-dihydro-1-hydroxy-4,6-dimethyl-2-oxopyridine-3-cerbonitrile 、
(+/-)-cis-2-(2,2-dichloroethenyl)-3,3-dimethylcyclopropanecarboxylic acid chloride 在
吡啶 作用下,
以
甲苯 为溶剂,
反应 24.0h,
以64.5%的产率得到(1RS)-cis-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane-1-carboxylate 1-(3-cyano-4,6-dimethyl-2-oxo)piridyl ester