Mass-Spectrometric Study on Ion–Molecule Reactions of CF<sub>3</sub><sup>+</sup>with Monosubstituted Benzenes Carrying a Hydroxy or Alkoxy Group at Near-Thermal Energies
作者:Masaharu Tsuji、Masato Aizawa、Yukio Nishimura
DOI:10.1246/bcsj.69.147
日期:1996.1
The gas-phase ion-molecule reactions of CF3+ with monosubstituted benzenes carrying a hydroxy or alkoxy group [PhX: X = OH, CH2OH, CH2CH2OH, CH(OH)CH3, OCH3, and OC2H5] have been studied at near-thermal energies using an ion-beam apparatus. The major product channels are electrophilic addition on the O-atom, followed by loss of CF3OH, for ROH (R = Ph, PhCH2, PhCH2CH2, PhCHCH3); while they are electrophilic
CF3+ 与带有羟基或烷氧基的单取代苯 [PhX: X = OH、CH2OH、CH2CH2OH、CH(OH)CH3、OCH3 和 OC2H5] 的气相离子-分子反应在近热能下进行了研究,使用离子束装置。主要的产物通道是 O 原子上的亲电加成,然后是 CF3OH 的损失,对于 ROH(R = Ph、PhCH2、PhCH2CH2、PhCHCH3);虽然它们是对环和取代基的亲电加成,然后是分子消除,如 HF、C2H4 和 PhF,对于 PhOCH3 和 PhOC2H5。作为次要产物通道,发现了 PhOH、PhOCH3 和 PhOC2H5 的电荷转移。基于产物离子分布和反应途径势能的理论计算讨论了反应机理。