CHARACTERISTIC OF MASS-SPECTROMETRIC FRAGMENTATION MOLECULAR IONS OF EMODINE AND ITS METHYL ETHERS

Authors

  • T. V. Kharlamova A.B. Bekturov Institute of chemical sciences
  • S. Zh. Zhumagaliev A.B. Bekturov Institute of chemical sciences

Keywords:

mass-spectrum, molecular ion, fragmentation, electron ionization, elimination, derivatives of 9,10-anthraquinone

Abstract

The work is devoted to the mass-spectrometric study and comparative analysis of mass-spectrometric fragmentation of molecular ions of 1,6,8-trihydroxy-3methyl-9,10-anthraquinone (emodin) and its mono- and dimethyl ether. The influence of the substituent on the stability of molecular ions to ionization by electrons is considered, and schemes for their mass-spectrometric decay proposed. It is shown that the fragmentation of the derivatives depends on the location of the substituent in the anthraquinone system.

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Published

2021-05-03