Conclusions
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1.
A study has been made of certain aspects of the behavior of the cyclopropyl thioethers under electron impact (EI) and chemical ionization.
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2.
The presence of the cyclopropane ring (CPR) gives rise to strong [M-alkene]+ ion peaks in the EI spectra of the aliphatic cyclopropyl ethers and [M-CH3]+, [M-C2H5]+, and [M-SH]+ ion peaks in the EI spectra of their aromatics analogs.
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3.
The [M + H]+ ions of the aromatic cyclopropyl thioethers eliminate an ArH molecule.
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4.
The presence of two Cl atoms in the CPR reduces the stability of the M+ and [M + H]+ ions, and largely determines their further fragmentation.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 532–540, March, 1979.
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Kadentsev, V.I., Podel'ko, A.Y., Chizhov, O.S. et al. Mass-spectrometric study of compounds from the cyclopropane series 7. The behavior of the cyclopropyl thioethers under electron impact and in chemical ionization. Russ Chem Bull 28, 491–497 (1979). https://doi.org/10.1007/BF00924819
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DOI: https://doi.org/10.1007/BF00924819