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Tandem One-Pot Synthesis of Polysubstituted Pyridines Using the Blaise Reaction Intermediate and 1,3-Enynes

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journal contribution
posted on 16.12.2011, 00:00 by Yu Sung Chun, Jun Hee Lee, Ju Hyun Kim, Young Ok Ko, Sang-gi Lee
A tandem one-pot method for the construction of a pyridine moiety with selective control of substitution patterns has been developed through the sequential reactions of nitrile with a Reformatsky reagent and 1,3-enyne involving regio- and chemoselective addition of the Blaise reaction intermediate to 1,3-enyne, followed by isomerization, cyclization, and an aromatization cascade.

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