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- Q5302672 subject Q7400650.
- Q5302672 subject Q7458901.
- Q5302672 abstract "The Dowd–Beckwith ring-expansion reaction is an organic reaction in which a cyclic β-keto ester is expanded by up to 4 carbons in a free radical ring expansion reaction through an α-alkylhalo substituent . The radical initiator system is based on AIBN and tributyltin hydride. The cyclic β-keto ester can be obtained through a Dieckmann condensation. The original reaction consisted of a nucleophilic aliphatic substitution of the enolate of ethyl cyclohexanone-2-carboxylate with 1,4-diiodobutane and sodium hydride followed by ring expansion to ethyl cyclodecanone-6-carboxylate. A side-reaction is organic reduction of the iodoalkane.".
- Q5302672 thumbnail DowdBeckwithRingExpansion.png?width=300.
- Q5302672 wikiPageExternalLink f_ja00255a071.pdf.
- Q5302672 wikiPageExternalLink f_ja00216a033.pdf.
- Q5302672 wikiPageExternalLink ja00245a069?journalCode=jacsat&quickLinkVolume=109&quickLinkPage=3493&volume=109.pdf.
- Q5302672 wikiPageExternalLink jo051551g.
- Q5302672 wikiPageWikiLink Q101487.
- Q5302672 wikiPageWikiLink Q102296.
- Q5302672 wikiPageWikiLink Q170744.
- Q5302672 wikiPageWikiLink Q185056.
- Q5302672 wikiPageWikiLink Q190474.
- Q5302672 wikiPageWikiLink Q19605.
- Q5302672 wikiPageWikiLink Q201479.
- Q5302672 wikiPageWikiLink Q2161141.
- Q5302672 wikiPageWikiLink Q225972.
- Q5302672 wikiPageWikiLink Q287862.
- Q5302672 wikiPageWikiLink Q3062071.
- Q5302672 wikiPageWikiLink Q335268.
- Q5302672 wikiPageWikiLink Q373406.
- Q5302672 wikiPageWikiLink Q407924.
- Q5302672 wikiPageWikiLink Q408053.
- Q5302672 wikiPageWikiLink Q423679.
- Q5302672 wikiPageWikiLink Q425241.
- Q5302672 wikiPageWikiLink Q648191.
- Q5302672 wikiPageWikiLink Q658656.
- Q5302672 wikiPageWikiLink Q7400650.
- Q5302672 wikiPageWikiLink Q7458901.
- Q5302672 wikiPageWikiLink Q898367.
- Q5302672 wikiPageWikiLink Q898422.
- Q5302672 wikiPageWikiLink Q898902.
- Q5302672 wikiPageWikiLink Q898967.
- Q5302672 wikiPageWikiLink Q900863.
- Q5302672 wikiPageWikiLink Q900932.
- Q5302672 comment "The Dowd–Beckwith ring-expansion reaction is an organic reaction in which a cyclic β-keto ester is expanded by up to 4 carbons in a free radical ring expansion reaction through an α-alkylhalo substituent . The radical initiator system is based on AIBN and tributyltin hydride. The cyclic β-keto ester can be obtained through a Dieckmann condensation.".
- Q5302672 label "Dowd–Beckwith ring-expansion reaction".
- Q5302672 depiction DowdBeckwithRingExpansion.png.