作者:Annamaria Martorana、Antonio Palumbo Piccionello、Silvestre Buscemi、Gianluca Giorgi、Andrea Pace
DOI:10.1039/c0ob00511h
日期:——
A novel base-induced rearrangement of isoxazoles into imidazole derivatives is reported. In the isoxazole series, this represents the first example of a three-atom side-chain rearrangement involving a CNC sequence. The reactions are carried out under nitrogen and produced 2-aryl-4(5)-phenacyl-5(4)-phenyl-imidazoles in high yields. In the presence of oxygen, a cascade rearrangement-oxidation reaction
报道了一种新颖的碱诱导的异恶唑重排成咪唑衍生物。在异恶唑系列中,这代表涉及CNC序列的三原子侧链重排的第一个例子。反应在氮气下进行,并以高产率产生2-芳基-4(5)-苯甲酰基-5(4)-苯基-咪唑。在氧气存在下,观察到级联重排-氧化反应序列,并分离了带有氧化侧链的咪唑衍生物。