A Comparison of Wittig and Wittig Horner (Wadsworth Emmons) Reagents in Reactions with Some α-Dicarbonyl Compounds

A Comparison of Wittig and Wittig Horner (Wadsworth Emmons) Reagents in Reactions with Some α-Dicarbonyl Compounds

For the α-dicarbonyl compounds RCOCHO studied where R=H, Me or Ph it was found that the use of Wittig reagents resulted in higher overall yields of the expected products and that with neither type of reagent could the product OCHCH=CHCO 2 Et from glyoxal be isolated.

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Veröffentlicht in:Phosphorus, sulfur, and silicon and the related elements sulfur, and silicon and the related elements, 2000-01, Vol.167 (1), p.61-69
Hauptverfasser: Mawaziny, Sheila, Makky, Sadiah
Format: Artikel
Sprache:eng
Schlagworte:
Wittig reagents
Wittig-Homer reagents
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Zusammenfassung:For the α-dicarbonyl compounds RCOCHO studied where R=H, Me or Ph it was found that the use of Wittig reagents resulted in higher overall yields of the expected products and that with neither type of reagent could the product OCHCH=CHCO 2 Et from glyoxal be isolated.
ISSN:1042-6507
1563-5325
DOI:10.1080/10426500008082387