[EN] NOVEL COMPOUNDS AS AGONIST FOR PPAR GAMMA AND PPAR ALPHA, METHOD FOR PREPARATION OF THE SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME [FR] NOUVEAUX COMPOSES AGONISTES DE PPAR DOLLAR G(G) ET PPAR DOLLAR G(A), LEUR METHODE DE PREPARATION ET COMPOSITION PHARMACEUTIQUE LES CONTENANT
[EN] NOVEL COMPOUNDS AS AGONIST FOR PPAR GAMMA AND PPAR ALPHA, METHOD FOR PREPARATION OF THE SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME [FR] NOUVEAUX COMPOSES AGONISTES DE PPAR DOLLAR G(G) ET PPAR DOLLAR G(A), LEUR METHODE DE PREPARATION ET COMPOSITION PHARMACEUTIQUE LES CONTENANT
The first one-pot ambient-temperature synthesis of 1,2,4-oxadiazoles from amidoximes and carboxylic acid esters
作者:Sergey Baykov、Tatyana Sharonova、Anton Shetnev、Sergey Rozhkov、Stanislav Kalinin、Alexey V. Smirnov
DOI:10.1016/j.tet.2017.01.007
日期:2017.2
The first one-pot room-temperature protocol for the synthesis of 3,5-disubstituted-1,2,4-oxadiazoles via the condensation between amidoximes and carboxylic acid esters in superbase medium MOH/DMSO is reported. A broad spectrum of alkyl, aryl and hetaryl amidoximes and esters was examined. This reaction route provides convenient access to 1,2,4-oxadiazoles, which is highly desirable because in the light
One-Step Protection-Free Synthesis of 3-Aryl-5-hydroxyalkyl-1,2,4-oxadiazoles as Building Blocks
作者:Ricardo A. W. Neves Filho、Diana C. B. da Silva-Alves、Janaína V. dos Anjos、Rajendra M. Srivastava
DOI:10.1080/00397911.2012.724757
日期:2013.10.2
A simple and straightforward synthesis of 3-aryl-5-hydroxyalkyl-1,2,4-oxadiazoles is described. The reaction among arylamidoximes, ethyl glycolate or ethyl lactate, and potassium carbonate in refluxing toluene afforded the desired 1,2,4-oxadiazoles in moderate to good yields. The synthesis has been accomplished in a single step, avoiding protection-deprotection protocols. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications (R) to view the free supplemental file.