A synthesis of conjugated dienes from aromatic, five-membered heterocycles
E Wenkert, MH Leftin, EL Michelotti
Index: Wenkert, Ernest; Leftin, Michael H.; Michelotti, Enrique L. Journal of the Chemical Society, Chemical Communications, 1984 , # 9 p. 617 - 618
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Abstract
Reaction of furan, thiophene, selenophene, and tellurophene as well as 2-methyl and 2, 5- dimethyl derivatives of the first two heterocycles with phenyl-, methyl-, and n-butyl- magnesium bromides in the presence of ligated nickel dichloride are shown to yield buta-1, 3-dienes mostly with retention of configuration.
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