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https://hdl.handle.net/2440/4698
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Type: | Journal article |
Title: | Electrochemical and yeast-catalysed ring-opening of isoxazoles in the synthesis of analogues of the herbicide Grasp(R) |
Author: | Easton, Christopher J. Heath, Graham A. Hughes, Christine Merricc M. Lee, Connie K. Y. Savage, G. Paul Simpson, George W. Tiekink, Edward Richard Tom Vuckovic, George J. Webster, Richard D. |
Citation: | Journal of the Chemical Society. Perkin transactions I; 10:1168-1174 |
Publisher: | Chemical Society |
Issue Date: | 2001 |
ISSN: | 0300-922X |
School/Discipline: | School of Chemistry and Physics School of Chemistry and Physics : Chemistry |
Statement of Responsibility: | Christopher J. Easton, Graham A. Heath, C. Merrîcc M. Hughes, Connie K. Y. Lee, G. Paul Savage, Gregory W. Simpson, Edward R. T. Tiekink, George J. Vuckovic and Richard D. Webster |
Abstract: | Isoxazoles substituted with an electron-withdrawing group at the 4-position undergo electrochemical and yeast-catalysed N-O bond cleavage. The electrolysis is much more efficient and, with acyl- and alkoxycarbonyl-substituted isoxazoles, it affords the enolised dicarbonylimine functionality characteristic of the herbicide Grasp (R). Regioisomeric 4- and 5-substituted isoxazoles are accessible through nitrile oxide cycloaddition chemistry, using halogen as a steric auxiliary to control the regiochemistry of reaction. Crystal data for compounds 11 and 19b are presented. |
DOI: | 10.1039/B008081K |
Appears in Collections: | Chemistry publications |
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