2,3-Dihydro-5,6-tetramethylenespiro(cyclohexane-2-thieno[2,3-d]pyrimidine)-4(1H)-thione. A Novel Synthetic Route and Crystalline Structure |
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| Authors: | A. D. Dyachenko E. B. Rusanov V. D. Dyachenko A. N. Chernega S. M. Desenko |
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| Affiliation: | (1) Taras Shevchenko State Teaching University, Lugansk, 91011, Ukraine;(2) Ukraine National Academy of Sciences, Institute of Organic Chemistry, Kiev, 02094;(3) V. N. Karazin National University, Kharkov, 61077, Ukraine |
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| Abstract: | Self-condensation of cyclohexylidenecyanothioacetamide gave 2,3-dihydro-5,6-tetramethylenespiro(cyclohexane-2-thieno[2,3-d]pyrimidine)-4(1H)-thione, the structure of which was proved by X-ray analysis. A mechanism is proposed for its formation and its alkylation has been studied. |
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| Keywords: | 2,3-dihydro-5,6-tetramethylenespiro(cyclohexane-2-thieno[2,3-d]pyrimidine)-4(1H)-thione thiazoles cyclohexylidenecyanothioacetamide alkylation reaction mechanism X-ray analysis self-condensation |
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