title: Butenolide synthesis by molybdenum-mediated hetero-pauson-khand reaction of alkynyl aldehydes.
authors.affiliation: Departamento de Química OrgAnica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain. javier.adrio@uam.es
authors.forename: Javier
authors.initials: J
authors.lastname: Adrio
authors.forename: Juan C
authors.initials: JC
authors.lastname: Carretero