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ChemInform Abstract: Vinyltriphenylphosphonium Salt Mediated One-Pot Synthesis of Functionalized 3-(Triphenylphosphoranylidene)butyrolactones.

โœ 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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โœฆ 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.


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ChemInform Abstract: An Efficient One-Po
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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