Preparation of 3-hydroxyquinolines from direct oxidation of dihydroquinolinium salts
作者:Mani Ramanathan、Jing Wan、Shiuh-Tzung Liu
DOI:10.1039/c8ra07940d
日期:——
A series of functionalized 3,4-dihydroquinolinium salts were prepared from the reaction of aryldiazonium salt with alkene in a nitrile solution. Further oxidation yielding either 3-hydroxyquinoline or quinoline products was investigated. A one-pot process from aryldiazonium salts, alkenes and nitriles leading to 3-hydroxyquinolines was also developed. Furthermore, an intramolecular trapping of an N-arylnitrilium