Selective Thiylation of 1-Vinylpyrrole-2-carbaldehydes: Synthesis of the Novel Pyrrole Synthons 2-[Bis(ethylsulfanyl)methyl]-1-vinylpyrroles and 1-(2-Ethylthioethyl)pyrrole-2-carbaldehydes - Vasil’tsov, Alexander M; Ivanov, Andrey V; Ushakov, Igor’ A; Mikhaleva, Al’bina I; Trofimov, Boris A (Synthesis, 2007)