Stabilization of Highly Electrophilic Allenes by Coordination with Manganese. Synthesis of 1-Functionalized Dicarbonyl (η-Methylcyclopentadienyl) (1-2η-3-Formylallene) Manganese Complexes.
- 1 January 1994
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1994 (08) , 657-659
- https://doi.org/10.1055/s-1994-22965
Abstract
By treatment with carbonyl electrophiles, the carbanion of methoxybutenyne leads to electrophilic enynes. These are cleanly transformed into stable complexes of 1-functionalized 3-formyl allenes after coordination to dicarbonyl (η-methylcyclopentadienyl) manganese and deprotection-isomerization with diluted acetic acid. The exo-allene dialdehyde manganese complex was characterized by X-ray analysis.Keywords
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