van Leusen reaction, with various aryl iodides is effectively promoted by a system of CuI combined with PPh3 and Na2CO3 as a ligand and a base, respectively, in DMF to produce the corresponding 2,5-diaryloxazoles in good yields.
通过van Leusen反应制得的5-芳基恶唑与各种芳基碘的直接芳基化反应,是通过CuI与PPh 3和Na 2 CO 3分别作为配体和碱在DMF中结合形成的体系有效地促进的。相应的2,5-二芳基恶唑,收率高。
KRASOVITSKIJ B. M.; SHERSHUKOV V. M.; VOLKOV V. L., XIMIYA GETEROTSIKL. SOED.,(1986) N 9, 1261-1264
作者:KRASOVITSKIJ B. M.、 SHERSHUKOV V. M.、 VOLKOV V. L.