title: 1,4- Addition of diazomethane to a heterodiene: a direct preparation of the oxazolic ring.
abstract: The reaction of naphthoquinone-oximes (3) and (4) with diazomethane yields directly, in one step, the oxazoles (5) and (6), respectively.
authors.affiliation: Núcleo de Pesquisas de Produtos Naturais, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21944-970, Brasil.
authors.forename: Flávio da S
authors.initials: Fda S
authors.lastname: Emery
authors.forename: Raphael S F
authors.initials: RS
authors.lastname: Silva
authors.forename: Kelly C G
authors.initials: KC
authors.lastname: de Moura
authors.forename: Maria C F R
authors.initials: MC
authors.lastname: Pinto
authors.forename: Mauro B
authors.initials: MB
authors.lastname: Amorim
authors.forename: Valéria R S
authors.initials: VR
authors.lastname: Malta
authors.forename: Regina H A
authors.initials: RH
authors.lastname: Santos
authors.forename: Kátia M
authors.initials: KM
authors.lastname: Honório
authors.forename: Albérico B F
authors.initials: AB
authors.lastname: da Silva
authors.forename: Antonio V
authors.initials: AV
authors.lastname: Pinto
mesh_terms: D020650:Combinatorial Chemistry Techniques; D003978:Diazomethane / Q000737:chemistry*; D009285:Naphthoquinones / Q000737:chemistry*; D010080:Oxazoles / Q000138:chemical synthesis*; D010084:Oxidation-Reduction; D010091:Oximes / Q000737:chemistry*
chemical_list: D009285:Naphthoquinones; D010080:Oxazoles; D010091:Oximes; C483060:naphthoquinone monooxime; D003978:Diazomethane