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The first direct oxidative coupling of 1,3,4-oxadiazoles with benzothiazoles has been accomplished using Pd(OAc) 2 as a catalyst and Cu(OAc) 2 as an oxidant. The similar combination of the catalyst and the oxidant has also been applied for direct arylation of 1,3,4-oxadiazoles with aryl boronic acids. Several novel oxadiazole derivatives have been prepared in high yields following...
The first direct C–H alkenylation of 1,3,4-oxadiazoles with trans-β-halo olefinic system has been carried out using a combination of CuI/DMEDA as a catalyst. A wide range of 2-E-vinyl-substituted oxadiazoles were obtained in high yields (85–93%).
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