Abstract
The Fischer cyclization of arylhydrazones of 3-methyltetrahydrothiopyran-4-one and its S,S-dioxide has been studied. It has been found that the direction of cyclization depends on the nature of the heteroatom of the ketonic component.
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For Communication XXXIII, see [1].
Translated from Khimiya Geterotsiklicheskikh Soedinenii, Vol. 6, No. 7, pp. 935–938, July, 1970.
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Borisova, L.N., Kucherova, N.F. & Zagorevskii, V.A. Indole derivatives. Chem Heterocycl Compd 6, 868–871 (1970). https://doi.org/10.1007/BF00471677
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DOI: https://doi.org/10.1007/BF00471677