5-Substituted 2-furancarbaldehydes and water-soluble furan derivatives
- 1 January 1982
- journal article
- Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications
- Vol. 47 (3) , 961-966
- https://doi.org/10.1135/cccc19820961
Abstract
5-Halo-2-furaldehydes Ia, Ib react with trimethylamine in aprotic solvents to furnish 5-trimethyl-ammonium salts of 2-furaldehyde IIa, IIb. The reactivity of this salt was utilized for a simple preparation of 5-substituted 2-furaldehydes IV in water at room temperature. The possibility to synthesize azomethines V and ethylenes VI, having the trimethylammonium group in position 5 of the furan ring maintained, is discussed.Keywords
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