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Photolytic generation of carbon radicals from barton esters: Recent developments

โœ Scribed by Derek H.R. Barton; Joseph Cs. Jaszberenyi; Dagang Tang


Book ID
104215806
Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
270 KB
Volume
34
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


Acyl derivatives of thiohydroxamic acids1 and hydroxamic acids2 are useful precursors of various carbon-centered (mostly alkyl or substituted alkyl). nitrogencentered, oxygen-centemd and other radicals.~ The most often used and most versatile examples are various O-acyl derivatives 2 (Barton esters) of the thiohydroxamic acid N-hydroxy-2-thiopyridone


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โœ Derek H.R. Barton; David Crich; Gerhard Kretzschmar ๐Ÿ“‚ Article ๐Ÿ“… 1984 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 206 KB

Radicals formed from the esters of thiohydroxamic acids readily add to electron deficient olefins to give adducts of potential synthetic value in variable yield. In certain cases the added sulphur function is easily eliminated with reformation of olefin. Functional group manipulation in complexe na