有关芳香族化合物亲电取代定位规律的教学思考

摘要

芳香族化合物亲电取代定位规律的教学是芳烃一章的教学重点和难点，从基本概念入手，重点分析苯环一取代时定位基的类别和电子效应，从而掌握苯环一取代定位规律，在此基础上理解苯环二取代和萘环取代定位经验规律，可以让学生较为轻松地突破重点和难点，同时通过对具体教学案例的分析，可培养学生的分析问题的能力和想象力，激发学生的学习有机化学的兴趣。%The teaching of the principles of aromatic compounds’electrophilic substitution position is a emphasis and difficult point of teaching in the chapter of aromatic hydrocarbons.Starting from the basic conceptions, focusing on the analysis of the orientating group’categories and electronic effects of monosubstitution benzene ring, grasping the directing effects of disubstituted of benzene ring and substitution of naphthalene ring, students can easily break through the important and difficult points.At the same time, through the analysis of the specific case of teaching, it could not only cultivate students ability and imagination of analyzing problems, but also arouse students’interest in learning organic chemistry.