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An Efficient One-Pot Synthesis Of Dialkyl 3 H -Naphtho[2,1, b ]pyran-2,3-dicarboxylates Mediated by Vinyl Triphenylphosphonium Salt∗

✍ Scribed by Yavari, Issa; Ramazani, Ali

Book ID
120221848
Publisher
Taylor and Francis Group
Year
1997
Tongue
English
Weight
192 KB
Volume
27
Category
Article
ISSN
0039-7911

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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