“anchimeric assistance”的概念、定义、翻译、参考文献-科学参考

单词	anchimeric assistance
释义	anchimeric assistance 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	laser microanalysis laser microbeam laser microbeam cell fusion laser microbeam cell perforation laser microbeam technology laser micro cladding laser microemission spectral analysis laser microirradiation laser microprobe laser micro welding laser mode laser mode-locking laser mode restriction technique laser mode selection technology laser modification laser modulation technology laser monochrome photography laser multipass welding laser multiphoton ion source laser noise laser nuclear fusion laser obstacle avoidance sensor laser occupational hazard laser optics laser optoacoustic detector

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