反应详情

A mixture of 2.6 g (0.01 mol) of methyl 2,2-dimethyl-3-(2,2,2-trichloroethyl)cyclopropane-1-carboxylate (compound Z, C/T=80/20), 1.0 ml of pyrrolidine, and 20 ml of dimethylformamide was heated at 100° for 20 hours to give, by glpc analysis, 68.5% cis and 24.0% trans (C/T=74/26) methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate, compound C.

1. temperaturewas heated at 100° for 20 hours