Novel bis[(E)-1-(halomethyl)-2-chlorovinyl] chalcogenides as starting materials for the efficient synthesis of bis(chloromethylidene)-1,4-dichalcogenanes |
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Authors: | Alexander V. Martynov Lyudmila I. Larina Svetlana V. Amosova |
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Affiliation: | A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky Str., Irkutsk 664033, Russia |
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Abstract: | An efficient synthesis of novel bis[(E)-1-(halomethyl)-2-chlorovinyl] sulfides and selenides via regio- and stereoselective electrophilic addition of SCl2 and SeCl2 to propargyl halides has been developed. The bis(2-chlorovinyl) chalcogenides prepared represent reagents for the synthesis of chalcogen-containing heterocycles and have been used for the synthesis of novel bis(E-chloromethylidene) derivatives of 1,4-dichalcogenanes with various combinations of sulfur and selenium atoms in the ring. |
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