Revanna, C. N. and Swaroop, T. R. and Raghavendra, G. M. and Bhadregowda, D. G. and Mantelingu, K. and Rangappa, K. S. (2012) Practical and green protocol for the synthesis of substituted 4H-Chromenes using room temperature Ionic Liquid Choline Chloride–Urea. Journal of Heterocyclic Chemistry, 49 (4). pp. 851-855. ISSN 1943-5193
Full text not available from this repository. (Request a copy)Abstract
An efficient and convenient synthesis of substituted 4H-chromenes is described using room temperature ionic liquid (RTIL) choline chloride–urea in one pot under solvent free conditions. Three-component Knoevenagel condensation of an aromatic aldehyde, with an active methylene compound, and a cyclohexane dione is reported. This new approach has advantage of excellent yields (82–96%), clean reaction, and short reaction time (15–30 min) at room temperature.
| Item Type: | Article |
|---|---|
| Subjects: | C Chemical Science > Chemistry |
| Divisions: | Department of > Chemistry |
| Depositing User: | C Swapna Library Assistant |
| Date Deposited: | 18 Jul 2019 10:11 |
| Last Modified: | 18 Jul 2019 10:11 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/5352 |
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