Basic alumina supported tandem synthesis of bridged polycyclic quinolino/isoquinolinooxazocines under microwave irradiation
作者:Shyamal Mondal、Rupankar Paira、Arindam Maity、Subhendu Naskar、Krishnendu B. Sahu、Abhijit Hazra、Pritam Saha、Sukdeb Banerjee、Nirup B. Mondal
DOI:10.1016/j.tetlet.2011.07.012
日期:2011.9
Basic aluminasupported, solvent-freesynthesis of novel oxazocines, medium size heterocycles, has been achieved in excellent yields by tandem C-alkylation followed by intramolecular O-alkylation of hydroxyquinoline/isoquinoline(s) with quinolinium salts under microwave irradiation. The method provides a facile and efficient route for the construction of polynuclear bridge-head oxazocines.