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邻基参与
释义
邻基参与
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理学
邻基参与
释
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
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neighboring group participation
邻基参与
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International Organization of Legal Metrology
International Organization of Scenographers Theatre Architects and Technicians China Center
international organizations for environmental protection
International Orienteering Federation
International Paralympic Committee
International Patent Classification
International Patent Documentation Centre
international permanent court of arbitration
International Phonetic Alphabet
International Pipeline Conference
International Plague Conference
International Plan of Action for Conservation and Management of Sharks
International Plan of Action for Reducing Incidental Catch of Seabirds in Longline Fisheries
International Plan of Action for the Management of Fishing Capacity
International Plan of Action to Prevent, Deter, and Eliminate Illegal, Unreported and Uncotrolled Fishing
International Plant Names Index
International Plant Nutrition Colloquium
International Plant Nutrition Institute
International Plant Protection Convention
International Polar Motion Service
International Polar Year
International polar year
International Police Association
international police liaison
international political actor/player
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