✦ LIBER ✦
ChemInform Abstract: One-Pot Synthesis of Functionalized 2H-Chromene (=2H-1-Benzopyran) Derivatives via a Three-Component Reaction Between a CH-Acid, a Dialkyl Acetylenedicarboxylate, and Methyl Chloroglyoxylate or Benzyl Carbonochloridate Mediated by Triphenylphosphine.
✍ Scribed by Mohammad Bayat; Nader Zabarjad Shiraz; Soheila Shafei Asayesh
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 27 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Abstract
The title process is based on the initial formation of a reactive 1,1‐diactivated alkene from dimedone or dimethylbarbituric acid and carbonyl compounds (II) followed by a intramolecular Wittig‐type ring closure.