Introduction The decomposition of alkylbenzenes and derivatives by electron impact has been generally interpreted as proceeding through benzyl or substituted benzyl The ion of mass 91, C, H;+, is often the most abundant ion in the mass spectra of these compounds. Formation of this ion by cleavage of a 6-carbon-hydrogen or p-carbon-carbon et (3 c H 2-R-+ R-+ 2 e bond has seemed so straightforward that its identity has not been questioned. ...
