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邻基参与
释义
邻基参与
Encyclopedia
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
>有机化学>有机合成化学>释义
neighboring group participation
邻基参与
随便看
densely defined bi linear form
densely defined bi-linear form
densely defined operator
densely embedded ideal
densely ionizing radiation
densely packed code
dense matter
dense medium lamination theory
dense medium separation
dense medium suspension
dense molybdenum
denseness
dense orbit
dense ordering
dense-output formula
dense phase
dense-phase pneumatic conveying
dense plasma
dense random packing
dense rational mapping
dense regular connective tissue
dense ring
dense ring of linear transformations
dense set
dense star cluster
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