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Org Lett. 2014 Jun 6;16(11):3082-5. doi: 10.1021/ol501183z. Epub 2014 May 13.

Ruthenium-catalyzed cyclization of ketoxime acetates with DMF for synthesis of symmetrical pyridines.

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  • 1Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University , Xi'an 710069, P. R. China.


A novel ruthenium-catalyzed cyclization of ketoxime carboxylates with N,N-dimethylformamide (DMF) for the synthesis of tetrasubstituted symmetrical pyridines has been developed. A methyl carbon on DMF performed as a source of a one carbon synthon. And NaHSO3 plays a role in the reaction.

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