作者:Nino G. Todua、Kirill V. Tretyakov、Roman S. Borisov、Dmitry I. Zhilyaev、Vladimir G. Zaikin、Stephen E. Stein、Anzor I. Mikaia
DOI:10.1002/rcm.4918
日期:2011.3.30
Mono‐, di‐ and trialkyl derivatives of 'sulfabenzamide' (N‐4‐aminophenylsulfonylbenzamide) have been prepared and their electron ionization (EI) mass spectra examined. It is found that the fragmentation of N‐alkylsulfabenzamides (alkyl = CH3 to n‐C5H11) proceeds via a very specific rearrangement process. The proposed mechanism involves an intermediate formation of distonic molecular ions, and the driving
制备了“磺胺苯甲酰胺”(N -4-氨基苯基磺酰基苯甲酰胺)的单,二和三烷基衍生物,并检查了其电子电离(EI)质谱。发现N-烷基磺基苯甲酰胺的片段化(烷基= CH 3至n-C 5 H 11)是通过非常特定的重排过程进行的。拟议中的机制涉及间位分子离子的中间形成,该过程的驱动力是形成稳定的N-烷基苯基氰化物阳离子[R + N + CC 6 H 5]。精确的质量测量,串联质谱(MS / MS)实验和氘标记证实了这一发现。John Wiley&Sons,Ltd.于2011年出版。