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Diels—Alder反应是前线轨道控制反应,反应速率取决于前线轨道的能量。取代基是影响前线轨道能量的重要因素。本文根据取代基对前线轨道能量的不同影响,推出了取代基对Diels—Alder反应速率影响的规律。
Diels-Alder reaction is a frontier orbital control reaction, the reaction rate depends on the energy of the frontier orbit. Substituents are important factors that affect frontier orbital energies. In this paper, the influence of substituents on Diels-Alder reaction rate is deduced according to the different influence of substituents on frontier orbital energy.