Citation:
SHI Yun, REN Chaojie, ZHANG Ning. Synthesis of Pyridines via Copper-catalyzed Reaction of Oxime Acetates with Benzyl Alcohols[J]. Chinese Journal of Applied Chemistry,
;2016, 33(11): 1289-1294.
doi:
10.11944/j.issn.1000-0518.2016.11.160026
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Pyridine derivatives were synthesized in a one-pot reaction from oxime acetates and benzyl alcohols in the presence of copper(Ⅱ) trifluoromethanesulfonate[Cu(OTf)2] catalyst. The effect of catalysts and their dosage, raw material ratios, solvents, and temperatures on the yield were investigated. The target compound 2,4,6-trisubstituted pyridine was obtained in 88% yield under the optimum condition. The molecular structures of products were analyzed by mass spectrometry and nuclear magnetic resonance spectroscopy(1H NMR and 13C NMR). The method has several advantages:commerically available materials, easy operation, mild reaction conditions, good yields and a wide range of functional group tolerance.
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