Journal of Organic Chemistry
Journal of Organic Chemistry
5 years ago

Copper-Catalyzed Oxidative Cyclization of 2-Amino-azaarenes with Lignin Models: Synthesis of 3-Phenoxy Imidazo Heterocycles

Copper-Catalyzed Oxidative Cyclization of 2-Amino-azaarenes with Lignin Models: Synthesis of 3-Phenoxy Imidazo Heterocycles
Guofu Zhong, Xiunan Lu, Shanlu Wang, Jian Zhang, Tingyan Li
A catalytic oxidative cyclization of 2-aminopyridines or 2-aminobenzothiazole with 2-phenoxyacetophenones (a kind of lignin platform compound) was developed, efficiently providing valuable 3-phenoxy imidazo[1,2-a]pyridines or 3-phenoxy benzo[d]imidazo[2,1-b]thiazoles. The reaction was realized under oxygen by simply using inexpensive CuI as the catalyst.

Publisher URL: http://dx.doi.org/10.1021/acs.joc.7b00480

DOI: 10.1021/acs.joc.7b00480

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