反应详情

Working again according to a protocol identical to the one used in step 1.1 of Example 1, followed by treating, under the same conditions as those of step 1.2 of Example 1, 1 g of 1,4-dibenzyl-2-phenoxycarbonyloxymethylpiperazine with 10 ml de piperidine, 0.68 g of 1,4-dibenzyl-2-(1′-piperidinocarbonyloxymethyl)piperazine is obtained in the form of a viscous product. Yield: 66.5%. Rf=0.09 (70/30 v/v ether/petroleum ether).