Palladium-catalyzed Suzuki reaction using 1,3-dialkylbenzimidazol-2-ylidene ligands in aqueous media
作者:İsmail Özdemir、Yetkin Gök、Nevin Gürbüz、Engin Çetinkaya、Bekir Çetinkaya
DOI:10.1002/hc.20034
日期:——
elemental analyses. A highly effective, easy to handle, and environmentally benign process for palladium-mediated Suzuki cross-coupling was developed. The in situ prepared three-component systems Pd(OAc)2/1,3-dialkylbenzimidazolium chlorides and Cs2CO3 catalyze quantitatively the Suzuki cross-coupling of deactivated aryl chlorides. © 2004 Wiley Periodicals, Inc. Heteroatom Chem 15:419–423, 2004; Published
从容易获得的起始化合物中,已经制备了六种官能化的 1,3-二烷基苯并咪唑鎓盐(2a-c 和 4a-c),并通过常规光谱方法和元素分析对其进行了表征。开发了一种用于钯介导的 Suzuki 交叉偶联的高效、易于处理且环境友好的工艺。原位制备的三组分体系 Pd(OAc)2/1,3-二烷基苯并咪唑氯化物和 Cs2CO3 定量催化失活芳基氯化物的 Suzuki 交叉偶联。© 2004 Wiley Periodicals, Inc. 杂原子化学 15:419–423, 2004; 在线发表于 Wiley InterScience (www.interscience.wiley.com)。DOI 10.1002/hc.20034