作者:Khoa Minh Tran、Andrew M. McAnoy、John H. Bowie
DOI:10.1039/b316867k
日期:——
neutralisation-ionisation ((-)NR(+)) experiment. No rearrangement of the label in energised CC(13)CO or CC(13)CS occurs during these experiments. In contrast, minor rearrangement of (CC(13)CO)(+*) is observed [(CC(13)CO)(+*)-->(OCC(13)C)(+*), while significant rearrangement occurs for (CC(13)CS)(+*) [(CC(13)CS)(+*)-->(SCC(13)C)(+*)]. Theoretical calculations at the CCSD(T)/aug-cc-pVDZ//B3LYP/6-31G(d) level
已通过前体阴离子自由基(CCCO)(-*),(CC(13)CO)的单电子垂直(Franck-Condon)氧化制备了中性化合物CCCO,CC(13)CO,CCCS和CC(13)CS (-*),(CCCS)(-*)和(CC(13)CS)(-*)分别位于反扇形质谱仪的碰撞池中。中性离子对分解阳离子的电离表明,中性离子在中和电离((-)NR(+))实验的微秒持续时间内是稳定的。在这些实验过程中,未在通电的CC(13)CO或CC(13)CS中重新布置标签。相反,观察到((CC(13)CO)(+ *)的较小重排[[CC(13)CO)(+ *)->(OCC(13)C)(+ *),但发生了重排用于(CC(13)CS)(+ *)[(CC(13)CS)(+ *)->(SCC(13)C)(+ *)]。在CCSD(T)/ aug-cc-pVDZ // B3LYP / 6-31G(d)的理论水平上的理论计算表明,