ChemInform Abstract: A New and Efficient Route to 4-Carboxymethylcoumarins Mediated by Vinyltriphenylphosphonium Salt.
β Scribed by I. YAVARI; R. HEKMAT-SHOAR; A. ZONOUZI
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 33 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0931-7597
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An Efficient One-Pot Synthesis of Dialkyl 2,5-Dihydrofuran-2,3dicarboxylates Mediated by Vinyltriphenylphosphonium Salt. -Functionalized 2,5-dihydrofurans (III) (9 examples) are prepared in fairly good yields by PPh 3 -mediated reaction of dialkyl acetylenedicarboxylates (I) with 2-hydroxyketones (I
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