Gas-phase ion/molecule isotope-exchange reactions: methodology for counting hydrogen atoms in specific organic structural environments by chemical ionization mass spectrometry
作者:Donald F. Hunt、Satinder K. Sethi
DOI:10.1021/ja00543a009
日期:1980.11
Ion/molecule reactions are described which facilitate exchange of hydrogens for deuteriums in a variety of different chemical environments. Aromatic hydrogens in alkylbenzenes, oxygenated benzenes, m-toluidine, m-phenylenediamine, thiophene, and several polycyclic aromatic hydrocarbons and metallocenes are exchangedunder positive ion CI conditions by using either D/sub 2/O, EtOD, or ND/sub 3/ as the
描述了在各种不同的化学环境中促进氢与氘交换的离子/分子反应。使用 D/sub 2/O、EtOD 或 ND/sub 3/ 在正离子 CI 条件下交换烷基苯、氧化苯、间甲苯胺、间苯二胺、噻吩和几种多环芳烃和茂金属中的芳香氢作为反应气。在负离子 CI 条件下,芳族氢、苄基氢和与羰基相邻的碳上的氢分别在 ND/sub 3/、D/sub 2/O 和 EtOD 中发生交换。讨论了交换过程的可能机制。1张图,2张桌子。