254Univ.Chem.2023,38(1),254–261收稿:2022-01-28;录用:2022-03-21;网络发表:2022-04-02*通讯作者,Email:mazonghua@mail.hzau.edu.cn基金资助:华中农业大学“课程思政”示范建设研究课题(sz2021101)•师生笔谈•doi:10.3866/PKU.DXHX202201056www.dxhx.pku.edu.cn从学科发展史设计周环反应的课堂教学马忠华*,项勇刚,曹秀芳,马济美华中农业大学理学院,武汉430070摘要:在有机化学教学内容中,周环反应不介绍官能团的性质,内容相对独立,理论性强,突出从分子轨道空间排布阐述有机反应的机理。尤其量子力学理论的引入,使周环反应的结果能够被合理“预测”,这对于有针对性地设计化合物的合成路线很有指导意义。但是,抽象、枯燥的理论使教学难度增加,同时引发学生对于本章内容在学科应用中如何定位的困惑。本文探讨了在教学中,如何聚焦基本知识点,对周环反应理论进行简化处理,采用周环反应研究史中经典的福井谦一的理论萌芽与发展,以及Dewar苯衍生物、维生素B12片段的合成等实践案例,丰富教学内容,激发学生内在的学习兴趣,培养学生立足实践,推进理论思考与创新,同时培养学生对学科发展规律的辩证认识。关键词:周环反应;轨道对称守恒;Dewar苯;二苯乙烯;维生素B12中图分类号:G64;O6DesigningaClassroomTeachingMethodologyforPericyclicReactionsBasedonDisciplineDevelopmentHistoryZhonghuaMa*,YonggangXiang,XiufangCao,JimeiMaCollegeofScience,HuazhongAgriculturalUniversity,Wuhan430070,China.Abstract:Intheteachingoforganicchemistry,thepericyclicreactioninvolveslearningalargeamountoftheory,withafocusonexplainingthereactionmechanismsintermsofmolecularorbitals,apartfromanalyzingfunctionalgroups.Theuseofquantummechanicstoexplainthepericyclicreactionishelpfulasitcanpredicttheproductsanddesignthesyntheticroute.However,classroomteachingcanfaceimmensechallengesinthisregard,duetotheabstracttheoryandconfusingapplicationprospectsofquantummechanics.Thisarticleattemptstorationallysimplifythecomplexprincipleofthepericyclicreactionandelucidateitfromthepointofviewofsynthesisapplications.Classiccasesofscientificpracticeinteaching,suchasFukui’sobservationandprediction,Dewar-benzeneconversion,andVB12synthesisarediscussed.Thismethodologywouldnotonlyenables...