反应详情

A method for the preparation of the compound (-)-α-cyano-m-phenoxybenzyl (+)-α-isopropyl-4-difluorophenylacetate comprising: reacting (+)-α-isopropyl-4-difluoromethoxyphenylacetyl chloride with α-cyano-m-phenoxybenzyl alcohol in the presence of pyridine and isolating from the thus-obtained mixture of (+)-α-cyano-m-phenoxybenzyl (+)-α-isopropyl-4-difluoromethoxyphenylacetate said (-)-α-cyano-m-phenoxybenzyl (+)-α-isopropyl-4-difluoromethoxyphenylacetate.