Reaction of the Meldrum's acid derivative 2,2,5-trimethyl-5-(4-pyridyl)-4,6
-dioxo-1,3-dioxane with methyl-lithium in THF/HMPA resulted in formation of
the novel pyridyl substituted allene 2,4-bis(4-pyridyl)penta-2,3-diene. (C
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