- EXTRUSION REACTIONS-VII. FORMATION OF 2,5-DIARYL-1,4-DITHIINS AND 2-ACETONYL THIAZOLES
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ω-(2,6-Dimethyl-4-pyrimidinylthio-(4), 2-methyl-4-quinazolinylthio-(9), and 4-oxo-2-quinazolinylthio)-(10) acetophenones with hydrochloric or perchloric acid provide 2,5-diaryl-1,4-dithiins (7) whereas ω-(6-methyl-4-pyrimidinylthio)acetophenones (11) with aq HCl/HClO4 or POCl3 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).
- Singh, Harjit,Aggarwal, Sunil K.,Malhotra, Nageshwar
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p. 4941 - 4946
(2007/10/02)
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