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Synthesis and properties of 6-oxo-3,5-dicyano-1,4,5,6tetrahydrospiro-(4′-r-cyclohexane-1′,4-pyridine)-2thiols and -selenols

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

By the interaction of a 4-R-cyclohe.xylidenecyanoacetic ester with cyanothio(seleno)acetainide, 6-oxo-3, 5dicyano-1, 4, 5, 6-tetrahydrospiro-(4′-R-cyclohexane-1 ', 4-pyridine)-2-thiols and -selenols have been obtained; these have also been synthesized from a cyclohexytidenecyanothioacetamide and cyanoacetic ester. These thiols and selenols have been used to prepare the corresponding disulfides, diselenides, and spiro systems, including the fragments alkylthio(seleno)tetrahydropyridine, thieno[2, 3-bjpyridine, and 2, 3-dihydrothiazolopyridine.

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T. G. Shevchenko Lugansk State Pedagogical Institute, Lugansk 348011, Ukraine. N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences Moscow 117913. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9 pp. 1235–1242, September, 1996. Original article submitted May 13, 1996.

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Dyachenko, V.D., Mitroshin, A.E. & Litvinov, V.P. Synthesis and properties of 6-oxo-3,5-dicyano-1,4,5,6tetrahydrospiro-(4′-r-cyclohexane-1′,4-pyridine)-2thiols and -selenols. Chem Heterocycl Compd 32, 1058–1065 (1996). https://doi.org/10.1007/BF01164713

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