Journal
TETRAHEDRON LETTERS
Volume 53, Issue 6, Pages 650-653Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.11.116
Keywords
Green chemistry; Ionic liquid; Multicomponent reactions; Benzopyrano[2,3-d]pyrimidines; 4H-Chromenes
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Funding
- Department of Biotechnology, New Delhi
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An environmentally benign, ionic liquid promoted multicomponent protocol to benzopyrano(2,3-d)pyrimidines and 4H-chromenes has been developed at room temperature. Results of the reaction depend on the nature of the nucleophile used in the reaction. Secondary amines result in the formation of benzopyrano(2,3-d)pyrimidines, whereas thiols give rise to 4H-chromenes under the same set of reaction conditions. (C) 2011 Elsevier Ltd. All rights reserved.
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