Expatiating on Lewis acids and bases of generalization, Hard and Soft of acids and bases reaction rule, classification, scaling of HSAB and its explanation of theory.
阐述离子和化合物的广义酸碱分类，软硬酸碱反应规则，软硬酸碱的硬度定量标度和理论解释。
2
The effects of other Lewis acid catalysts on the reaction have also been investigated.
同时对其他路易斯酸催化剂对该反应的作用也做了一些考察。
3
But traditional Friedel-Crafts reaction has its own limitations, such as requirement of a stoichiometric amount of Lewis acid catalysts and large amounts of undesired products.