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

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

Volume: 4 Issue: 6

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

Affiliation:

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

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.

Cite this article as:

Robabeh Baharfar , Sakineh Asghari , Azam Hamedaninejad , Atieh Abbasi , Azita Ostadzadeh and Hamid Reza Bijanzadeh , Regioselective Reaction between Maltol and Vinyltriphenylphosphonium Salts: An Efficient One-Pot Synthesis of a Novel Class of Dihydrofuran and Cyclobutene Derivatives, Letters in Organic Chemistry 2007; 4 (6) . https://dx.doi.org/10.2174/157017807781467524