title: Synthesis of heterocycles via electrophilic cyclization of alkynes containing heteroatom.
authors.affiliation: Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios, CCNE, UFSM, Santa Maria-Rio Grande do Sul, Brazil 97105-900.
authors.forename: Benhur
authors.initials: B
authors.lastname: Godoi
authors.forename: Ricardo F
authors.initials: RF
authors.lastname: Schumacher
authors.forename: Gilson
authors.initials: G
authors.lastname: Zeni