Synthesis and Stereochemistry of the Dibromides of Exocyclic α,β‐Unsaturated Ketones

Gábor Tóth, Frank Janke, Albert Lévai

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Abstract

The dibromides 7–12 have been synthesized by addition of bromine to exocyclic α,β‐unsaturated ketones 1–6. The relative configurations and the stereochemistry of the products have been determined by NMR methods. Bromination of 3‐benzylideneflavanone (3) and its thio analogue 5 proved to be highly stereoselective.

Original languageEnglish
Pages (from-to)651-654
Number of pages4
JournalLiebigs Annalen der Chemie
Volume1989
Issue number7
DOIs
Publication statusPublished - Jan 1 1989

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Keywords

  • Bromination
  • Ketones
  • α,β‐Unsaturated Ketones

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry

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