A new synthetic method is reported in which 2-arylbenz(ox,imid,thi)azoles can be prepared by the palladium catalyzed condensation of aromatic halides with o-amino(phenol, aniline, thiophenol)s followed by dehydrative cyclization. This method is tolerant of a wide variety of functional groups on either aromatic ring and gives good to excellent yields of products.
一种新的合成方法被报道,其中2-芳基苯并(氧,眯,
硫)唑可以通过
钯催化的芳香卤化物与邻
氨基(
酚,
苯胺,
硫酚)的缩合反应,随后进行脱
水环化来制备。这种方法对两个芳香环上的各种功能团都具有耐受性,并且能够得到良好到优异的产物收率。