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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 8, 1978 - Issue 1
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Original Articles

Carboxychloro Olefination: A Convenient Synthesis of α-Chloro α, β-Ethylenic Carboxylic Acids

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Pages 19-25 | Received 03 Oct 1977, Published online: 06 Dec 2006

References

  • Savignac , Ph. , Dreux , M. and Coutrot , Ph. 1975 . Tet. Letters , : 609 Ph. Savignac, J. Petrova, M. Dreux and Ph. Coutrot, Synthesis, 535 (1975) Ph. Savignac, J. Petrova, M. Dreux and Ph. Coutrot, J. Organometal. Chem. 91 (1975) C 45‐C 48
  • Coutrot , Ph. and Savignac , Ph. Synthesis to be published
  • Koppel , G. A. and Kinnick , M. D. 1974 . Tet. Letters , : 711
  • With carbonyl compounds which give poor yields at low temperatures like methyl heptenone, for example (see Table) the reaction can be optimized by addition of the ketone at 0° c. This fact shows that the lithiodianion of diethylcarboxychloromethylphosphonate is stable up to 0
  • Wadsworth , W. S. Jr. and Emmons , W. D. 1961 . J. Am. Chem. Soc , : 1733

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