Cyanoacetylene and Its Derivatives: XXXI. Nucleophilic Addition of 2- and 4-Mercaptopyridines to Cyanacetylenes |
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| Authors: | Andriyankova L V Zhivet'ev S A Mal'kina A G Kudryakova P N Kositsyna E I Il'icheva L N Ushakov I A Afonin A V Trofimov B A |
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| Institution: | (1) Faworsky Irkutsk Institute of Chemistry, Siberian Division, Russian Academy of Sciences, Irkutsk, 664033, Russia |
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| Abstract: | Reactions of nucleophilic addition of 2- and 4-mercaptopyridines to 3-phenyl-2-propynonitrile, 4-hydroxy-4-alkyl-2-alkynonitriles, and methyl 2-butynoate (triethylamine, 20-25 or 100°C) give rise to the corresponding S-adducts with Z-configuration (for cyanoethylenes), or to a mixture of E- and Z-isomers in 60:40 ratio for methyl 2-butynoate. |
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