“邻助作用”的概念、定义、翻译、参考文献-科学参考

单词	邻助作用
释义	邻助作用 Encyclopedia 理学邻助作用释 neighboring group assistance; anchimeric assistance邻助作用进行亲核取代反应的底物分子，若同时存在亲核的基团和离去基团，且这两种基团在空间位置上的距离也适当，则在亲核取代反应的条件下，将优先发生分子内的亲核取代反应，生成环状产物，从而影响反应的立体选择性、区域选择性或活性的现象。又称邻基参与。
随便看	China Publishing & Promotion Association China Publishing Today China Qinqiang Opera Art Festival China quality award China quality award in aerospace industry China Quality Inspection Press China Quaternary Glacial Relics Exhibition Hall China Quyi Publishing House China Radar Industry Association China Radio and Television News Award China Radio and Television Press China Radio Arts Award China Radio Award China Radio Drama Award China Radio, Film and Television Awards China Radio International China Radio International，CRI China railway construction fund China Railway Express Co.,Ltd. China Railway Express to Europe China Railway High-speed China Railway Museum China Railway Publishing House China Railways JF China Railway Society

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