Three-Component Reaction between Vinyl Ethers, Secondary Phosphines, and Elemental Selenium: One-Pot Synthesis of 1-(Alkoxy)ethyl and 1-(Aryloxy)ethyl Phosphinodiselenoates - Gusarova, Nina K.; Artem’ev, Alexander V.; Oparina, Ludmila A.; Kolyvanov, Nikita A.; Malysheva, Svetlana F.; Vysotskaya, Oksana V.; Trofimov, Boris A. (Synthesis, 2012)