S. Haroutounian, E. Couladouros
Jan 25, 2006
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Liebigs Annalen
Abstract
In solution, 4′-benzyloxy-2-(4-pyridinyl)acetophenone (1) mainly exists as enol 4 which does not undergo typical Grignard addition reactions. Treatment with an excess of ethylmagnesium chloride, however, initiates an unusual sequence of transformations leading to formation of the C-benzylated compounds 2 and 3.