N- and C-Vinylation of Pyrroles with Disubstituted Activated Acetylenes - Trofimov, Boris A; Sobenina, Lyubov’ N; Mikhaleva, Al’bina I; Ushakov, Igor A; Vakul’skaya, Tamara I; Stepanova, Zinaida V; Toryashinova, Dar’ya-Syren D; Mal’kina, Anastasiya G; Elokhina, Valentina N (Synthesis, 2003)