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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Coe, Diane M. Gleixner, Renate M. Joly, Kévin M. Tremayne, Maryjane Male, Louise Kariuki, Benson M. Cox, Liam R. |
| Description | Author Affiliation: Gleixner RM ( School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT UK.) |
| Abstract | 1,1′-Divinyl ferrocene (2) reacts with $K_{3}[Fe(CN)_{6}]$ under basic biphasic conditions to give a [4]ferrocenophane (4) in good yield. Incorporating deuterium labels into the internal positions of the vinyl groups of 2 affects the chemoselectivity of the reaction; thus under identical reaction conditions, $[D_{2}]-2$ reacts to provide a diol-functionalised [4]ferrocenophane, $[D_{2}]-D/L-6$ in addition to the expected keto-alcohol, $[D_{1}]-4.$ Variants on this one-electron oxidative cyclisation methodology can be used to give other [4]ferrocenophanes; thus, the reaction of 2 with $CuCl_{2}$ in MeOH or iPrOH leads to dialkoxy [4]ferrocenophanes 19 and 20, respectively, whereas the reaction of 2 with benzyl carbamate in the presence of tBuOCl gives a bis(carbamate)[4]ferrocenophane, 21. Mechanisms to account for the formation of the products, the stereoselectivity, and the unusual isotope-dependent chemoselectivity in the reaction of 2 and $[D_{2}]-2$ with $K_{3}[Fe(CN)_{6}]$ are proposed. |
| ISSN | 09476539 |
| e-ISSN | 15213765 |
| Journal | Chemistry - A European Journal |
| Issue Number | 19 |
| Volume Number | 16 |
| Language | English |
| Publisher | Wiley-VCH;ChemPubSoc Europe |
| Publisher Date | 2010-05-17 |
| Publisher Place | Germany |
| Access Restriction | Open |
| Subject Keyword | Ferrous Compounds Chemistry Isotopes Oxidants Vinyl Compounds Electrochemistry Electrons Molecular Structure Oxidation-Reduction Research Support, Non-U.S. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Catalysis |
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