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邻基参与
释义
邻基参与
Encyclopedia
理学
邻基参与
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neighboring group participation
邻基参与
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。又称邻助作用。
Chemistry
＞有机化学＞有机合成化学＞释义
neighboring group participation
邻基参与
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。
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更新时间：2025/12/3 18:52:53