Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/4549
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DC Field | Value | Language |
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dc.contributor.author | Greatrex, B. | - |
dc.contributor.author | Kimber, M. | - |
dc.contributor.author | Taylor, D. | - |
dc.contributor.author | Fallon, G. | - |
dc.contributor.author | Tiekink, E. | - |
dc.date.issued | 2002 | - |
dc.identifier.citation | Journal of Organic Chemistry, 2002; 67(15):5307-5314 | - |
dc.identifier.issn | 0022-3263 | - |
dc.identifier.issn | 1520-6904 | - |
dc.identifier.uri | http://hdl.handle.net/2440/4549 | - |
dc.description | Copyright © 2002 American Chemical Society | - |
dc.description.abstract | Addition of highly stabilized ester nucleophiles to 1,2-dioxines affords good to high yields of γ-lactones with high diastereoselectivity. Heterolytic or homolytic cleavage of the 1,2-dioxines under appropriate conditions generates the key reactive cis γ-hydroxy enones, which ultimately afford the observed γ-lactones. Diastereoselectivity is installed as a result of anti 1,4-addition by the ester enolate to the cis enones followed by intramolecular cyclization. The reaction is tolerant of a range of substitution patterns on the 1,2-dioxine while a broad range of esters are also accommodated. In addition to the synthesis of racemic γ-lactones, highly enantioenriched γ-lactones can also be synthesized when chiral cobalt(II) catalysts are employed for the initial homolytic ring-opening of the 1,2-dioxine. | - |
dc.language.iso | en | - |
dc.publisher | Amer Chemical Soc | - |
dc.source.uri | http://pubs.acs.org/cgi-bin/abstract.cgi/joceah/2002/67/i15/abs/jo0200421.html | - |
dc.title | 1,2-dioxines as masked cis γ-hydroxy enones and their versatility in the synthesis of highly substituted γ-lactones | - |
dc.title.alternative | 1,2-dioxines as masked cis gamma-hydroxy enones and their versatility in the synthesis of highly substituted gamma-lactones | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1021/jo0200421 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Taylor, D. [0000-0002-3302-4610] [0000-0002-4274-3983] [0000-0003-0633-7424] | - |
Appears in Collections: | Aurora harvest 6 Chemistry publications |
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