e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Unique para??effect in electron ionization mass spectra of bis (perfluoroacyl) derivatives of bifunctional aminobenzenes
KV Tretyakov, NG Todua, RS Borisov…
Index: Tretyakov, Kirill V.; Todua, Nino G.; Borisov, Roman S.; Zaikin, Vladimir G.; Stein, Stephen E.; Mikaia, Anzor I. Rapid Communications in Mass Spectrometry, 2010 , vol. 24, # 17 p. 2529 - 2532
Abstract A new kind of 'para-effect'under electron ionization (EI) conditions has been discovered for a series of bis (perfluoroacyl) derivatives of o-, m-and p-phenylenediamines,- hydroxybenzeneamines and-mercaptobenzeneamines of a common structure RCOX–C 6 H 4–NHCOR (X= NH, S, O; R= CF 3, C 2 F 5, C 3 F 7). Only the para-isomers showed successive loss of a radical RCO• and a molecule RCN, leading to very intense peaks in ...
