Yadav, J. S. ; Purushothama Rao, P. ; Sreenu, D. ; Srinivasa Rao, R. ; Naveen Kumar, V. ; Nagaiah, K. ; Prasad, A. R. (2005) Sulfamic acid: an efficient, cost-effective and recyclable solid acid catalyst for the Friedlander quinoline synthesis Tetrahedron Letters, 46 (42). pp. 7249-7253. 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.2005.08.042
Abstract
o-Aminoaryl ketones undergo smooth condensation with α-methylene ketones in the presence of sulfamic acid (NH2SO3H) (SA) under mild reaction conditions to afford the corresponding polysubstituted quinolines in excellent yields. The catalyst can be recovered by simple filtration and can be recycled in subsequent reactions. The method is simple, cost-effective and environmentally benign.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Sulfamic Acid (SA); o-aminoaryl Ketones; α-methylene Ketones; Quinolines |
| ID Code: | 59549 |
| Deposited On: | 07 Sep 2011 05:41 |
| Last Modified: | 09 Oct 2011 10:28 |
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