The effect of substituents on the extraction behavior of hydroxamic acids |
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Authors: | Massoud Hojjatie Ted Cecconie Henry Freiser |
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Affiliation: | Strategic Metals Recovery Research Facility, Department of Chemistry, University of Arizona, Tucson, AZ 85721 U.S.A. |
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Abstract: | The extraction behavior of several alkyl-substituted hydroxamic acids in chloroform solution with several metal ions is described. Among the N-phenylacylhydroxamic acids used, those with o-alkyl substituents on either the phenyl or acyl ring generally do not extract metals, apparently because of steric problems at the O=CNO? chelation site. An improved synthesis of substituted hydroxamic acids is reported. |
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