Reactive trityl derivatives: stabilised carbocation mass-tags for life sciences applications
作者:Alexey V. Ustinov、Vadim V. Shmanai、Kaajal Patel、Irina A. Stepanova、Igor A. Prokhorenko、Irina V. Astakhova、Andrei D. Malakhov、Mikhail V. Skorobogatyi、Pablo L. Bernad、Safraz Khan、Mona Shahgholi、Edwin M. Southern、Vladimir A. Korshun、Mikhail S. Shchepinov
DOI:10.1039/b810600b
日期:——
The rational design of novel triarylmethyl (trityl)-based mass tags (MT) for mass-spectrometric (MS) applications is described. We propose a "pK(R+) rule" to correlate the stability of trityl carbocations with their MS performance: trityls with higher pK(R+) values ionise and desorb better. Trityl blocks were synthesised that have high pK(R+) values and are stable in conditions of MS analysis; these