Tetrahedron p. 4941 - 4946 (1984)
Update date:2022-08-05
Topics:
Singh, Harjit
Aggarwal, Sunil K.
Malhotra, Nageshwar
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).
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