Iron(II)-Catalyzed Denitration Reaction: Synthesis of 3-Methyl-2-arylimidazo[1,2-a]pyridine Derivatives from Aminopyridines and 2-Methylnitroolefins
Hao Yan, Sizhuo Yang, Xiai Gao, Kang Zhou, Chao Ma, Rulong Yan*, Guosheng Huang*
*State Key Laboratory of Applied Organic Chemistry, Lanzhou
University, Lanzhou 730000, P. R. of China, Email: yanrl
lzu.edu.cn,
hgslzu.edu.cn
H. Yan, S. Yang, X. Gao, K. Zhou, C. Ma, R. Yan, G. Huang, Synlett, 2012, 23, 2961-2962.
DOI: 10.1055/s-0032-1317685
Abstract
An iron-catalyzed denitration reaction enables the synthesis of 3-methyl-2-arylimidazo[1,2-a]pyridine derivatives in good yields from aminopyridines and 2-methyl-nitroolefins. The procedure is simple and inexpensive and tolerates various functional groups.
see article for more examples
R.-L. Yan, H. Yan, C. Ma, Z.-Y. Ren, X.-A. Gao, G.-S. Huang, Y.-M. Liang, J. Org. Chem., 2012, 77, 2024-2028.
Key Words
iron catalysis, denitration, heterocycles, cyclization, imidazo[1,2-a]pyridines
ID: J60-Y2012-3790
