Two variations of solvent-reduced wittig olefination reactions - Comparison of solventless wittig reactions to wittig reactions under ultrasonication with minimal work-up

Masataka Watanabe, Goreti Ribeiro Morais, Shuntaro Mataka, Keiko Ideta, Thies Thiemann

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Stabilized and semi-stabilized phosphoranes can be subjected to solventless Wittig reactions with carbaldehydes. Simple heating of a mixture of added components at 100°C in an electric oven gives the corresponding olefins in good yield. Alternatively, the Wittig reactions can be carried out in a biphasic medium under ultrasonication. In this case, the Wittig products can be isolated by simple evaporation of the organic phase without additional work-up.

Original languageEnglish
Pages (from-to)909-915
Number of pages7
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Volume60
Issue number8
DOIs
Publication statusPublished - Aug 2005
Externally publishedYes

Keywords

  • Solventless Reaction
  • Ultrasound
  • Wittig Olefination

ASJC Scopus subject areas

  • General Chemistry

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