Organoelement Compounds
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ChemInform Abstract: Valence Tautomers of Dimethyl Cycloocta-2,5,7-triene-1,4-dicarboxylate and an Iron Tricarbonyl Complex Therefrom.
First published: January 12, 1988
Abstract
Freshly prepared cyclooctatrienyldilithium (I) reacts with a large excess of dry ice (II) to give a mixture of the dicarboxylic acids (III) and (IV).
ChemInform Abstract
Freshly prepared cyclooctatrienyldilithium (I) reacts with a large excess of dry ice (II) to give a mixture of the dicarboxylic acids (III) and (IV). (IV), which equilibrates with (V), is esterified with diazomethane (VI) to give the dicarboxylates (VII) and (VIII). Treatment of (VII) with ironpentacarbonyl (IX) yields the complex (X). (Mechanism).
