Tetrahedron Letters p. 6633 - 6636 (1988)
Update date:2022-09-26
Topics:
Gupta, Arun K.
Ila, Hiriyakkanavar
Junjappa, Hiriyakkanavar
A new general method for the synthesis of 4-substituted and 4,5-annelated pyridines has been developed by 1,2-addition of lithioacetonitrile to α-oxoketene dithioacetals followed by cycloaromatization of resulting carbinolacetals in the presence of phosphoric acid with concomitant 1,3-methylthio shift.
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