| Unconventional titania photocatalysis: direct deployment of carboxylic acids in alkylations and annulations. | |
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MedLine Citation:
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PMID: 22867432 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Under dry, anaerobic conditions TiO2 photocatalysis of carboxylic acid precursors resulted in carbon-carbon bond forming processes.High yields of dimers were obtained from TiO2 treatment of carboxylic acids alone. On inclusion of electron-deficient alkenes, efficient alkylations were achieved with methoxymethyl and phenoxymethyl radicals. In reactions with maleic anhydride or maleimides, phenoxyacetic acid produced chromenedione derivatives in addition to adducts. These photocatalytic reactions are simple and cheap to perform, and the TiO2 is easily removed by filtration. The anaerobic photocatalysis strategy offers a range of synthetic possibilities. |
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Authors:
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David W Manley; Roy T McBurney; Phillip Miller; Russell Francis Howe; Shona Rhydderch; John Christopher Walton |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-8-7 |
Journal Detail:
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Title: Journal of the American Chemical Society Volume: - ISSN: 1520-5126 ISO Abbreviation: J. Am. Chem. Soc. Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-8-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503056 Medline TA: J Am Chem Soc Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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