Yadav, J. S. ; Subba Reddy, B. V. ; Biswas, Swapan Kumar ; Sengupta, Sandip (2009) Gallium(III) chloride-catalyzed three-component coupling of naphthol, alkyne and aldehyde: a novel synthesis of 1,3-disubstituted-3H-benzo[f] chromenes Tetrahedron Letters, 50 (42). pp. 5798-5801. ISSN 0040-4039
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.tetlet.2009.07.134
Abstract
Three-component coupling of naphthol, alkyne and aldehyde has been achieved in the presence of 10 mol % gallium(III) chloride in toluene under reflux conditions to afford the corresponding 1,3-disubstituted-3H-benzo[f]chromenes in good yields. This is the first example on the preparation of chromenes from naphthol, alkyne and aldehyde.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Gallium(III) Chloride; Three-component Reaction; Chromene; Heterocycles |
| ID Code: | 58915 |
| Deposited On: | 02 Sep 2011 03:36 |
| Last Modified: | 02 Sep 2011 03:36 |
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