The mass spectra of amino-acid and peptide derivatives. Part I. Benzyloxycarbonyl derivatives
作者:R. T. Aplin、J. H. Jones、B. Liberek
DOI:10.1039/j39680001011
日期:——
a benzyloxy-radical in addition to showing the well recognised cleavages of the peptide bonds and side-chains. Cleavage of the peptide bond gives important fragments of type PhCH2·O·CO·[graphic omitted]H:CHR which then lose carbon dioxide with concomitant migration of the benzyl group. Some benzyloxycarbonyl amino-acid and dipeptide phenylthio-esters have also been examined: the peak of highest m/e