Mass spectral study of molecular cleavage pathways in some newly synthesized esters of amidothiophosphonic acids

Fenesan, Ioan; Nicoara, Simona; Culea, Monica; Hantz, Andrei; Alexandri, Alexandru and Morgan, Geraint (2008). Mass spectral study of molecular cleavage pathways in some newly synthesized esters of amidothiophosphonic acids. In: 6th Conference on Isotopic and Molecular Processes, PIM 2008, 22-24 Sep 2008, Cluj-Napoca, Romania.

URL: http://www.itim-cj.ro/PIM/2008/Abstact_booklet.pdf

Abstract

The work discusses the synthesis and the electron impact ionisation fragmentation patterns under electron impact ionisation mass spectrometry for some biologically active cyanacetamid- and cyanethyl- acetate oximinic esthers of amidothiophosphoric acids, with insecticide and fungicide potential. Their chemical structure was confirmed by analytical data, IR, 1H-NMR and MS spectrometry. EI mass spectra at 70 eV, HR mass measurements and metastable ions analysis were used to elucidate the fragmentation processes.

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