... Adipic Acid Catalyst 环已烷氧化制已二酸催化剂 Solid acid catalyst 固体酸催化剂 Lewis acid catalyst 刘易斯酸催化剂 ...
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a lewis acid catalyst lewis酸催化剂
polymer supported lewis acid catalyst 高分子负载LEWIS酸催化剂
polymer-supported lewis acid catalyst 高分子固载化lewis酸催化剂
lewis acid catalyst polymer-supported catalyst lewis酸催化剂
lewis acid as catalyst 路易斯酸催化
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。
IR pattern indicated that Lewis acid centers mainly exist on the catalyst surface.
红外光谱测试结果表明，催化剂表面主要存在L酸中心。
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%。
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