Ionic liquid soluble photosensitizers |
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Authors: | Sarah C Hubbard |
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Institution: | Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA |
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Abstract: | The preparation and investigation of triplet photosensitizers designed to be preferentially soluble in room-temperature ionic liquids are reported. Photosensitizers prepared by covalent attachment of 1-methylimidazole to aryl ketones are soluble in ionic liquids and remain in the ionic liquid layer when the solution is extracted with an organic solvent. The photosensitized isomerization of trans-β-ionol to cis-β-ionol was efficiently carried out in ionic liquid solution with the product ionol being extracted and the sensitizer/ionic liquid mixture being re-used in additional photosensitization reactions. The scope and utility of the sensitizers in sensitizing other reactions are discussed. |
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Keywords: | Ionic liquid Photosensitization Recyclable reagent |
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