Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究三氯化钛水溶液,邻硝基苯胺与1,2-二酮在碱性质中分子间的成环反应,提个方便地合成取代喹喔啉类化合物的方法。