Regioselective Cross-Coupling of 1-Vinylpyrroles with Acylbromoacetylenes on Al2O3: Synthesis of 2-(2-Acylethynyl)-1-vinylpyrroles - Trofimov, B A; Sobenina, L N; Stepanova, Z V; Ushakov, I A; Petrova, O V; Tarasova, O A; Volkova, K A; Mikhaleva, A I (Synthesis, 2007)