【摘要】 本文应用简单的氧化值法，介绍了一种判断亲电加成反应和亲核加成反应规则．判断对苯环亲电取代反应起定位作用的定位基属哪类定位基的方法。更多还原

【Abstract】 In the paper,by using the simple method of oxo-value,a measure of how to judgethe reaction rules of electrophilic and nucleophilic polyaddition reaction and how to judge thelocation base of substitution reaction,which playing a locational function and which locationgroups the location base belongs to have been introdaced.更多还原