“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	Leading Climbing leading coefficient leading diagonal leading digit leading-digit phenomenon leading edge leading edge fillet leading-edge suction leading-edge vortex leading eigenvalue leading electrode leading electrolyte leading element leading exponent leading group for coordinated development of Beijing-Tianjin-Hebei of China leading group for schistosomiasis prevention and control of the state council Leading Group on Aging Work of National Health and Family Planning Commission leading hemisphere leading ideal leading indicator method leading industry leading limb leading line of bearing from an objective beyond chart leading logarithm leading marks

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