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Note | Regular issue | Vol 71, No. 5, 2007, pp.1141-1146
Published online, 6th March, 2007
DOI: 10.3987/COM-07-11017
Efficient One-Pot Synthesis of 2-Substituted Furans from 3,3-Diethoxypropyne and Aldehydes Using a Ti(O-i-Pr)4/2 i-PrMgCl Reagent

Deok Ki Eom, Seong Jib Choi, and Duk Keun An*

*Department of Chemistry, Kangwon National University, 192-1 Hyoja-2-dong, Chuncheon, Kangwon 200-701, Korea

Abstract

A new, efficient and direct synthetic method for synthesizing 2-substituted furans using titanium-alkyne complex from easily preparable lithium propargyl alcohol derivatives derived from commercially available 3,3-diethoxypropyne, n-butyllithium and aldehydes by a Ti(O-i-Pr)4/ 2 i-PrMgCl reagent in 68-85% yields.