Conclusions
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1.
Sulfenyl chlorides add to methacrylic acid and its derivatives preferentially with the formation of theβ-chloro-α-alkthio derivatives of isobutyric acid.
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2.
In order to compare the properties the isomericα-chloro-β-(β-chloroethylthio) derivatives of isobutyric acid were obtained by the cleavage ofα-chloro-α-methyl-β-propiothiolactone.
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3.
Of the obtainedβ-chloro-α-alkthio derivatives of isobutyric acid, the esters and amides are unstable compounds and isomerize under ordinary conditions to the correspondingα-ehloro-β-alkthio derivatives of isobutyric acid. The nitriles of theβ-chloro-α-alkthioisobutyric acid are stable under ordinary conditions.
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4.
Isomerization of theβ-chloro-α-phenylthio derivatives of isobutyric acid was not observed.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2522–2529, November, 1971.
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Lin'kova, M.G., Greichute, D.I., Rasteikene, L.P. et al. Bis(β-chloroethyl) sulfides Communication 2. Derivatives of α-chloro-β-(β-chloroethylthio)-and α-(β-chloroethylthio)-β-chloroisobutyric acid. Russ Chem Bull 20, 2390–2395 (1971). https://doi.org/10.1007/BF00854320
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DOI: https://doi.org/10.1007/BF00854320