2010
DOI: 10.1016/j.jfluchem.2010.06.009
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Synthesis of monofluoroalkenes via Julia–Kocienski reaction

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Cited by 48 publications
(24 citation statements)
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“…Monofluoroalkenes can be synthesized by Wittig olefination of carbonyl compounds with triphenylphosphonium monofluoromethylide (Scheme ),501 by Peterson‐type olefination of aldehydes with α‐fluoro‐α‐trialkylsilyl esters with 50:1 Z / E stereoselectivity,502 and by modified Julia–Kocienski conditions for the fluoromethylenation of ketones503 in up to 15:1 E / Z stereoselectivity (Scheme ) 503a. α‐Fluorostyrenes can be synthesized from α,α‐arylfluoromethyl‐2‐benzathiazolylsulfone reagents and paraformaldehyde in the presence of a base 504.…”
Section: Fluorinated Alkenesmentioning
confidence: 99%
“…Monofluoroalkenes can be synthesized by Wittig olefination of carbonyl compounds with triphenylphosphonium monofluoromethylide (Scheme ),501 by Peterson‐type olefination of aldehydes with α‐fluoro‐α‐trialkylsilyl esters with 50:1 Z / E stereoselectivity,502 and by modified Julia–Kocienski conditions for the fluoromethylenation of ketones503 in up to 15:1 E / Z stereoselectivity (Scheme ) 503a. α‐Fluorostyrenes can be synthesized from α,α‐arylfluoromethyl‐2‐benzathiazolylsulfone reagents and paraformaldehyde in the presence of a base 504.…”
Section: Fluorinated Alkenesmentioning
confidence: 99%
“…Subsequently, we optimized the conditions for the reaction between 1 b and 2 s by screening several reaction parameters, including different bases, solvents, and molar ratios of reactants (Table 1, entries [6][7][8][9][10][11][12][13][14][15]. When nBuLi or LiHMDS was used as the base, no monofluoroalkene was detected (entries 6 and 7).…”
mentioning
confidence: 99%
“…Monofluoralkene kçnnen durch Wittig-Olefinierung von Carbonylverbindungen mit Triphenylphosphoniummonofluormethylid (Schema 129), [501] durch Peterson-Olefinierung von Aldehyden mit a-Fluor-a-trialkylsilylestern mit 50:1 Z/E-Stereoselektivität [502] sowie durch Fluormethylenierung von Ketonen unter modifizierten Julia-Kocienski-Bedingungen [503] mit 15:1 E/Z-Stereoselektivität synthetisiert werden (Schema 130). [503a] a-Fluorstyrole lassen sich aus a,a-Arylfluormethyl-2-benzathiazolylsulfonen und Paraformaldehyd in Gegenwart einer Base herstellen.…”
Section: Synthese Von Monofluoralkenenunclassified
“…Monofluoralkene kçnnen durch Wittig-Olefinierung von Carbonylverbindungen mit Triphenylphosphoniummonofluormethylid (Schema 129), [501] durch Peterson-Olefinierung von Aldehyden mit a-Fluor-a-trialkylsilylestern mit 50:1 Z/E-Stereoselektivität [502] sowie durch Fluormethylenierung von Ketonen unter modifizierten Julia-Kocienski-Bedingungen [503] [504] Außerdem wurde die Einführung der Monofluormethingruppe durch Aldolkondensationen beschrieben. [505] Eine Additions-/Eliminierungs-Sequenz von Fluorbis(phenylsulfonyl)methan mit Alkylhalogeniden lieferte ebenfalls Monofluoralkene (Schema 131).…”
Section: Synthese Von Monofluoralkenenunclassified