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EnglishA versatile approach to the synthesis of new cardanol derivatives through a combination of aromatic iodination of 3-n-pentadecylphenol and palladium-catalysed cross-coupling reactions has been developed. The extent of aromatic iodination is controlled by stoichiometry and affords either the mono-, di- or tri-iodo-cardanol derivatives. Suzuki, Heck and Sonogashira protocols were successfully applied for the vinylation, arylation and alkynylation of the iodo-cardanols. 2,4-Diiodo-5-n-pentadecylphenol underwent an unusual sequential regioselective dehalogenation/vinylation reaction. Sequential alkynylation/cyclisation of 2-iodo-3-n-pentadecylphenol derivatives were also investigated.
| Titolo: | Synthesis of New Cardanol Derivatives through Combined Iodination/Palladium-catalysed Cross-Coupling Reactions |
| Autori: | |
| Data di pubblicazione: | 2006 |
| Rivista: | |
| Abstract: | A versatile approach to the synthesis of new cardanol derivatives through a combination of aromatic iodination of 3-n-pentadecylphenol and palladium-catalysed cross-coupling reactions has been developed. The extent of aromatic iodination is controlled by stoichiometry and affords either the mono-, di- or tri-iodo-cardanol derivatives. Suzuki, Heck and Sonogashira protocols were successfully applied for the vinylation, arylation and alkynylation of the iodo-cardanols. 2,4-Diiodo-5-n-pentadecylphenol underwent an unusual sequential regioselective dehalogenation/vinylation reaction. Sequential alkynylation/cyclisation of 2-iodo-3-n-pentadecylphenol derivatives were also investigated. |
| Handle: | http://hdl.handle.net/11697/12677 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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