反应详情

The crude 2-(4-chlorobenzyl)-4,4-dimethyl-3- methoxycarbonylcyclopent-1-ene obtained in Example 7 was refluxed for 15 hours in methanol containing one equivalent of sodium methoxide to give 1-(4-chlorobenzyl)-3,3-dimethyl-2-methoxycarbonyl- cyclopent-1-ene as an oil.