Conclusions
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1.
Methanethiol is cleaved in the 1,2-cycloaddition of 1-methylthio-1-(N,N-diethylamino)ethene to sulfenes and a mixture of 3-(N,N-diethylamino)dioxy-2-thietenes and 1-(N,N-diethylamino)-1-methylthio-2-methyl(benzyl)sulfonylethenes is formed, along with the partial hydrolysis products of the latter.
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2.
The ratio of the cyclic and acyclic adducts depends on the structure of the employed sulfene and the polarity of the solvent.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No.1, pp.132–136, January, 1976.
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Petukhova, N.P., Aristova, N.E., Stepanyants, A.U. et al. Cycloaddition reactions. Russ Chem Bull 25, 119–123 (1976). https://doi.org/10.1007/BF00925632
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DOI: https://doi.org/10.1007/BF00925632