Structure and reactivity of C7H7+ ions from the decay of tritiated toluenes. 1. Reactions of free tolyl ions with methanol in the gas and liquid phases
作者:Fulvio Cacace、Giovanna Ciranni、Cinzia Sparapani、Maurizio Speranza
DOI:10.1021/ja00338a007
日期:1984.12
Labeled tolyl cations from the decay of ring-multitritiated toluene have been allowed to react with methanol in the liquid and the gas phases, at pressures ranging from 6 to 100 torr, yielding methyl tolyl ethers as the major products, without appreciable formation of benzyl methyl ether. The isomeric composition of the products from the gaseous systems depends on the pressure, the percentage of o-tolyl
来自环多氚化甲苯衰变的标记甲苯基阳离子已被允许与液相和气相中的甲醇在 6 至 100 托的压力下反应,产生甲基甲苯醚作为主要产物,而没有明显形成苄基甲基醚。来自气体系统的产物的异构体组成取决于压力,随着甲醇压力的降低,邻甲苯醚的百分比以对位异构体为代价增加。结果表明,三种甲苯基离子在稀气态下作为不同的物种存在。当在充分激发态下形成时,如甲苯中 /sup 3/H 原子的 ..β.. 衰变,它们会发生明显的相互转化,而没有可检测到的苄基阳离子异构化,至少在可达到的压力范围内衰减技术。