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  • Title: Ruthenium-catalyzed cyclization of ketoxime acetates with DMF for synthesis of symmetrical pyridines.
    Author: Zhao MN, Hui RR, Ren ZH, Wang YY, Guan ZH.
    Journal: Org Lett; 2014 Jun 06; 16(11):3082-5. PubMed ID: 24824200.
    Abstract:
    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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