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Copper(ii) catalyzed iodine-promoted oxidative cyclization of 2-amino-1,3,5-triazines and chalcones: synthesis of aroylimidazo[1,2-a][1,3,5]triazines. 2017

Jin Jing Li, and Chan Song, and Dong-Mei Cui, and Chen Zhang
College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China. cuidongmei@zjut.edu.cn.

An efficient copper(ii) catalyzed iodine-promoted synthesis of aroylimidazo[1,2-a][1,3,5]triazines from 2-amino-1,3,5-triazines and chalcones under mild conditions has been developed. The reaction occurred with good yields and excellent regioselectivities, and tolerated chalcone containing functionalities such as ethers, halogens, and nitro groups. The successful application of this methodology for a gram-scale reaction indicates its potential for bulk synthesis.

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