Harjit Singh, ; Aggarwal, Sunil K. ; Malhotra, Nageshwar (1984) Extrusion reactions-VII: formation of 2,5-diaryl-1,4-dithiins and 2-acetonyl thiazoles Tetrahedron, 40 (23). pp. 4941-4946. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/S0040-4020(01)91330-4
Abstract
ω-(2,6-Dimethyl-4-pyrimidinylthio-(4), 2-methyl-4-quinazolinylthio-(9), and 4-oxo-2-quinazo-linylthio)-(10) acetophenones with hydrochloric or perchloric acid provide 2,5-diaryl-1,4-dithiins (7) whereas α)-(6-methyl-4-pyrimidinylthio) acetophenones (11) with aq HCl/HClO, or POCl followed by hydrolysis provide 1-(4-aryl-2-thiazolyl)-2-propanones (12). Likewise, 2-(6-methyl-4-pyrimidinylthio) cyclohexanone (13) give the thiazole derivative (14).
| Item Type: | Article |
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| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 14599 |
| Deposited On: | 12 Nov 2010 13:59 |
| Last Modified: | 02 Jun 2011 11:54 |
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