Mass-spectrometric study of substituted (β-hydroxy-, β-acetoxy)sulfides and -sulfones of 1,3-dioxepane series using electron ionization

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Abstract

The electron ionization mass spectra of substituted (β-hydroxy)sulfides, -sulfones, and their corresponding acetates of the 1,3-dioxepane series were studied. The main regularities in the pathways of fragmentation of their molecular ions were revealed. It was shown that during electron ionization, the main directions of decomposition of the studied compounds are due to the elimination of substituents in the 1,3-dioxepane ring. For 6-phenylthio-1,3-dioxepanes and 6-phenylsulfonyl-1,3-dioxepanes, the formation of ions associated with the breaking of C-S bonds with charge localization on the sulfur-containing fragment is observed.

About the authors

L. R Shamsutdinova

A.E. Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center “Kazan Scientific Center of the Russian Academy of Sciences”

Email: leisan.shamsutdinova@iopc.ru

R. Z Musin

A.E. Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center “Kazan Scientific Center of the Russian Academy of Sciences”

R. S Paveliev

Kazan (Volga Region) Federal University

I. Kh. Rizvanov

A.E. Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center “Kazan Scientific Center of the Russian Academy of Sciences”

M. N Dimukhametov

A.E. Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center “Kazan Scientific Center of the Russian Academy of Sciences”

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