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单词
neighboring group assistance
释义
neighboring group 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
miscellaneous
Miscellaneous Anecdotes by Bi Zhongxun
miscellaneous correlation
miscellaneous corvee
Miscellaneous Hundred and Twenty Songs
Miscellaneous Morsels from Youyang - On Painting
miscellaneous music melody
Miscellaneous News from Guixin Street
Miscellaneous Notes by the Rustic while Warming Himself under the Sun
Miscellaneous Notes of Unzen
Miscellaneous Notes on Calligraphy
Miscellaneous Notes on Mountain and Stream Painting
Miscellaneous Notes on Songs from the Music Bureau
miscellaneous paintings
Miscellaneous Plants
Miscellaneous Poems
Miscellaneous Poems by Zhang Xie
Miscellaneous Poems Collected in the Jihai Year
Miscellaneous Record of Yijue Liao
Miscellaneous Records by Sun Zongjian
Miscellaneous Records for Painting Bamboos
Miscellaneous Records from the Erlao Hall
Miscellaneous Records of A Man Awaking Alone
Miscellaneous Records of Historical Documents from Jianyan Period
Miscellaneous Records of Mentors and Friends
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