Regioselective synthesis of asymmetrically substituted 2-quinoxalinol salen ligands |
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| Authors: | Wu Xianghong Gorden Anne E V Tonks Stephen A Vilseck Jonah Z |
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| Institution: | Department of Chemistry and Biochemistry, College of Science and Mathematics, Auburn University, Auburn, AL 36849-5319, USA. |
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| Abstract: | Diamino-2-quinoxalinols are reacted with salicylaldehyde derivatives to produce 2-quinoxalinol imines regioselectively as one isomer in good yield. Regioselectivity has been determined through the use of isotopic 15N labeling experiments. The 2-quinoxalinol imines may then be reacted without further purification with additional salicylaldehyde derivatives to yield asymmetrically substituted 2-quinoxalinol salens. |
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