Organoiodine(<scp>iii</scp>) mediated intramolecular oxidative cyclization of 1-(3-arylisoquinolin-1-yl)-2-(arylmethylene)hydrazines to 5-aryl-3-(aryl)-[1,2,4]triazolo[3,4-a] isoquinolines
作者:Pitchai Manivel、Kamalakannan Prabakaran、Upasana Banerjee、Fazlur-Rahman Nawaz Khan、Euh Duck Jeong、Eun Hyuk Chung
DOI:10.1039/c4ra12381f
日期:——
5-aryl-3-(aryl)-[1,2,4]triazolo[3,4-a]isoquinolines, 4 were obtained by oxidative cyclization of 1-(3-arylisoquinolin-1-yl)-2-(arylmethylene)hydrazines, 3, in the presence of a hypervalent iodine oxidant (iodobenzene diacetate, IDB) and dichloromethane at ambient temperature. This methodology involves a proficient metal-free intramolecular C–N bond formation, facilitated by a hypervalent iodine reagent.
通过1-(3-芳基异喹啉-1-基)-2的氧化环化获得一系列5-芳基-3-(芳基)-[1,2,4]三唑并[3,4- a ]异喹啉4。 -(芳基亚甲基)肼3在环境温度下在高价碘氧化剂(碘代苯二乙酸酯,IDB)和二氯甲烷的存在下。这种方法涉及到高价碘试剂的促进,形成了无金属的分子内C–N键。