Hypothetical cyclohexatriene Difference=36 kcal/mol stability △G expected △G Benzene ①D Cyclohexane Reaction progress ⑨D 苯与假想的“环己三烯”氢化热比较Organic Chemistry Organic Chemistry Xiamen Xiamen University University苯与假想的 “环己三烯 ” 氢化热比较