title: Thermal [4 + 2] cycloadditions of 3-acetyl-, 3-carbamoyl-, and 3-ethoxycarbonyl-coumarins with 2,3-dimethyl-1,3-butadiene under solventless conditions: a structural study.
authors.affiliation: Facultad de Ciencias Químicas, Universidad de Colima, km 9 Carretera Coquimatlán-Colima, Coquimatlán Colima 28400, Mexico.
authors.forename: Irma Y
authors.initials: IY
authors.lastname: Flores-Larios
authors.forename: Lizbeth
authors.initials: L
authors.lastname: López-Garrido
authors.forename: Francisco J
authors.initials: FJ
authors.lastname: Martínez-Martínez
authors.forename: Jorge
authors.initials: J
authors.lastname: González
authors.forename: Efrén V
authors.initials: EV
authors.lastname: García-Báez
authors.forename: Alejandro
authors.initials: A
authors.lastname: Cruz
authors.forename: Itzia I
authors.initials: II
authors.lastname: Padilla-Martínez