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Behavior of 2-substituted and 2,6-disubstituted benzoyloxyl radicals. Electronic and steric effects of the substituents

✍ Scribed by Jun Wang; Masahiro Tsuchiya; Hirochika Sakuragi; Katsumi Tokumaru; Hiroki Itoh


Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
298 KB
Volume
35
Category
Article
ISSN
0040-4039

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✦ Synopsis


In mntrast lo 2-me~hylbenroylaq/ mdicals. 2.6-dimrth.vlbew_oylo~l and 2.45trimoh.vlbtnzoyloyl mdicals decarboqhte rfficitndy mther than tmmfera hyimgcn atom. as OAKwed by transient absotptiar spectmscopv and product disttiburion.


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Acyl radical cyclizations in synthesis.
✍ David Crich; K. Angeline Eustace; Simon M. Fortt; Timodthy J. Ritchie πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 French βš– 769 KB

Abstrach In bn attempt to determine the factors affecting exe-lendo-selectivity in the cycllzation of 6-heptenoyl radicals various heteroatom substituted selenol esters were prepared and reacted with tributyltin hydride. The incorporation of a 7-phenylthio moiety results in clean, high yielding, cyc