Green photochemistry: the use of microemulsions as green media in photooxygenation reactions
Coyle, Emma E., Joyce, Kieran, Nolan, Kieran, and Oelgemöller, Michael (2010) Green photochemistry: the use of microemulsions as green media in photooxygenation reactions. Green Chemistry, 12 (9). pp. 1544-1547.
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Abstract
The use of 'green' microemulsions of ethyl acetate and water, using sodium dodecyl sulfate and alcoholic co-surfactants as a reaction medium, in photooxygenation reactions was investigated. This work looked at the optimisation of the microemulsion (the optimum ratio of components), an investigation of the effect of changing co-surfactant and optimisation of the reaction work-up for the synthesis of 5-hydroxy-1,4-naphthoquinone, Juglone. Isolated yields of 36–88% were achieved in just 4 h of irradiation. Microemulsions also allowed the usage of the sensitiser tetraphenylporphyrin (TPP) in a benign environment. The optimised procedure was furthermore applied to the synthesis of 5-amido-1,4-naphthoquinones, and moderate yields were achieved.
Item ID: | 16788 |
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Item Type: | Article (Research - C1) |
ISSN: | 1463-9270 |
Date Deposited: | 07 May 2011 00:53 |
FoR Codes: | 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030503 Organic Chemical Synthesis @ 25% 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030504 Organic Green Chemistry @ 50% 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030505 Physical Organic Chemistry @ 25% |
SEO Codes: | 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100% |
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