Extrusion reactions-VII |
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| Authors: | Harjit Singh Sunil K Aggarwal Nageshwar Malhotra |
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| Institution: | Department of Chemistry, Guru Nanak Dev University, Amritsar 143 005, India |
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| 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/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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