Non-catalyzed addition of secondary phosphine chalcogenides to divinyl chalcogenides under solvent-free conditions

作者：Gusarova Nina K; Chernysheva Nataliya A; Yas'ko Svetlana V; Klyba Lyudmila V; Trofimov Boris A^*

来源：Journal of Sulfur Chemistry, 2016, 37(5): 488-500.

DOI：10.1080/17415993.2016.1191635

• Secondary phosphine chalcogenides
• divinyl chalcogenides
• catalyst- and solvent-free addition
• synthesis
• alpha
• omega-diphosphine chalcogenides

Secondary phosphine chalcogenides, R2PX (R(CH2)(2)Ph, Ph; X=S, Se), react with divinyl chalcogenides, (CH2CH)(2)Y (Y=S, Se, Te), at the 2:1 molar ratio (80-82 degrees C, 56-80h) in the absence of both catalysts (initiators) and solvents to quantitatively afford the corresponding anti-Markovnikov diadducts. Even at the equimolar reactant ratio, the diadducts are the major products, though monoadducts are also formed. When Y=Te, vinylphosphine chalcogenides and metal Te are obtained, thus showing that divinyl telluride behaves as the vinylating agent.

• 出版日期2016-10