The author used lewis acid as the catalyst and found the yield was raised as high as 67%.
本文研究常用路易斯酸作为催化剂，发现苯佐卡因的收率可提高到67%。
The results on synthesis of tetracosene (C 24 olefins)by dimerization with a complex composed of Lewis acid (L) and complexing agent A as catalyst are reported.
研究以L酸和络合剂A配制的络合物为催化剂，用于四聚丙烯齐聚制备二十四碳烯。
Acetylation between alcohol and benzoyl oxide was carried out using ZnBr_2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
以溴化锌为催化剂，在无溶剂条件下实现了醇与苯甲酸酐的酰化反应，部分产物经NMR和IR表征。
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