Process to prepare 1-aryl-2-(1-imidazolyl) alkyl ethers and thioethers
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United States of America Patent
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Apr 8, 2003
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N/A
app pub date -
Oct 2, 1995
filing date -
Oct 2, 1995
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Expired
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Abstract
A process is disclosed for the preparation of imidazole derivatives, in particular, 1-aryl-2-(1-imidazolyl) alkyl ethers and thioethers, and more particular for the preparation of tioconazole. The preferred process involves alpha bromination of thiophene in cyclohexane, coupling with an imidazole to form the crude product, and forming the bisulfate salt thereof. The reaction utilizes less hazardous chemicals than currently employed for the production of 1-aryl-2-(1-imidazolyl) alkyl ethers and thioethers, and may be run at room temperature.
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