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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Regioselective Reaction between Maltol and Vinyltriphenylphosphonium Salts: An Efficient One-Pot Synthesis of a Novel Class of Dihydrofuran and Cyclobutene Derivatives

Author(s): Robabeh Baharfar, Sakineh Asghari, Azam Hamedaninejad, Atieh Abbasi, Azita Ostadzadeh and Hamid Reza Bijanzadeh

Volume 4, Issue 6, 2007

Page: [429 - 432] Pages: 4

DOI: 10.2174/157017807781467524

Price: $65

Abstract

The reaction of 2-methyl-3-hydroxy-4H-pyrane-4-one (maltol) with dialkyl acetylenedicarboxylates in the presence of triphenylphosphine in CH2Cl2 at room temperature leads to the unknown fused furan and cyclobutene derivatives, and functionalized olefins in fairly high yields.

Keywords: Acetylenic esters, OH-acid, regioselective synthesis, triphenylphosphine, functionalized olefins, dihydrofurans


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