1) local HSAB principle
局域硬软酸碱原理
1.
Combined with local HSAB principle,we made reasonable explanation by calculating the charge distribution and local softness of atom and bond regions.
本文利用ABEEMσ-π模型对一些亲双烯与环戊二烯的Diels-Alder反应的立体选择性进行了理论研究,通过计算双烯和亲双烯原子区域及π键区域的电荷分布和局域软度,应用局域硬软酸碱原理对其立体选择性做出了合理解释。
3) principle of soft hard acid and base
软硬酸碱原理
1.
The addition reactions of carbon-carbon nonsaturation bonds and competitions of nucleophilic substitution and eliminations were explained by principle of soft hard acid and base.
运用软硬酸碱原理解释了碳碳不饱和键的加成反应以及亲核取代和消除反应的竞争性。
4) acid-base principle
软硬酸碱原则
6) hard and soft acid-base theory
硬软酸碱理论
补充资料：软碱
见软硬酸碱理论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条