ChemInform Abstract: Vinyltriphenylphosphonium Salt Mediated One-Pot Synthesis of Functionalized 3-(Triphenylphosphoranylidene)butyrolactones.
โ Scribed by I. YAVARI; R. BAHARFAR
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 27 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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โฆ Synopsis
Vinyltriphenylphosphonium Salt Mediated One-Pot Synthesis of Functionalized 3-(Triphenylphosphoranylidene)butyrolactones.
-Dialkylacetylenedicarboxylates react with triphenylphosphine and 3chloropentane-2,4-dione in its enol form (II) to produce the hitherto unknown tetrahydrofuranones (IV), which can be considered as useful synthetic intermediates.
๐ SIMILAR VOLUMES
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