Bismuth compounds in organic synthesis. Deprotection of ketoximes using bismuth bromide-bismuth triflate |
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| Authors: | Joshua N ArnoldPatrick D Hayes Robert L KohausRam S Mohan |
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| Institution: | Laboratory for Environment Friendly Organic Synthesis, Department of Chemistry, Illinois Wesleyan University, Bloomington, IL 61701, USA |
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| Abstract: | Ketoximes undergo deprotection in CH3CN/acetone/H2O (3:6:1) in the presence of 20-40 mol% BiBr3/5 mol% Bi(OTf)3. Bismuth(III) salts are relatively non-toxic, insensitive to air and inexpensive. These features coupled with the use of a relatively non-toxic solvent system make this method an attractive alternative to existing routes for deprotection of ketoximes. |
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| Keywords: | bismuth and compounds oximes deprotection environment-friendly chemistry |
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