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Synthesis and redox behavior of ene–diyne scaffolds that bear ferrocenes at the periphery

✍ Scribed by Taku Shoji; Shunji Ito; Kozo Toyota; Noboru Morita

Book ID: 104096487
Publisher: Elsevier Science
Year: 2009
Tongue: French
Weight: 360 KB
Volume: 50
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2009.03.172

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✦ Synopsis

The ene-diyne systems 1 and 2 possessing ferrocenyl groups at the periphery were prepared by the simple one-pot Sonogashira-Hagihara coupling reaction of ethynylferrocene with 9-dibromomethylene-9H-fluorene (4) and 9,10-bis(dibromomethylene)-9,10-dihydroanthracene ( 5). The novel ferrocene-substituted ene-diyne compounds exhibited amphoteric redox behavior with a reversible one-stage electrochemical oxidation upon cyclic voltammetry.

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