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1,5‐Bis(4‐dithiocarboxylate‐5‐hydroxypyrazolyl)pentane derivatives of 5‐pyrazolones |
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| Authors: | Carolina Avila María Fernanda Flores Aurora Molinari Alfonso Oliva |
| Abstract: | 3‐Methyl‐1‐phenyl‐2‐pyrazolin‐5‐one 1b and 1‐dodecyl‐3‐methyl‐2‐pyrazolin‐5‐one 1c react with carbon disulfide and 1,5‐dibromopentane in the presence of sodium acetate in dimethylfor‐mamide or n‐butyllithium in tetrahydrofuran to afford 1,5‐bis(4‐dithiocarboxylate‐5‐hydroy‐pyrazolyl)pentane derivatives 6b‐c. |
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