2011
DOI: 10.1016/j.jfluchem.2011.03.016
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Synthesis and surface properties of a series of surfactants based on O-alkyl and O-perfluoro-N,N′-diisopropylisoureas

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Cited by 12 publications
(16 citation statements)
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“…[22][23][24][25] On the other hand, synthesis of analogous azides possessing a long fluorinated chain tends to be more challenging. Classical transformation of an alcoholic hydroxyl group into a better leaving group, such as tosylate, mesylate, or incorporation of iodide instead a hydroxyl group, provide the opportunity to obtain the desired products.…”
Section: Resultsmentioning
confidence: 99%
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“…[22][23][24][25] On the other hand, synthesis of analogous azides possessing a long fluorinated chain tends to be more challenging. Classical transformation of an alcoholic hydroxyl group into a better leaving group, such as tosylate, mesylate, or incorporation of iodide instead a hydroxyl group, provide the opportunity to obtain the desired products.…”
Section: Resultsmentioning
confidence: 99%
“…with P2O5, H3PO4 and KI as a source of iodide anion in an elimination-addition reaction or microwave synthesis with polymer-bound triphenylphosphine and iodine. 22,52 A very interesting method has also been described by Badache et al 23 The reaction of a fluorinated alcohol with diisopropylcarbodiimide yields fluorinated isoureas. Subsequently, the use of hydriodic acid in the next step, afforded fluorinated iodide.…”
Section: Resultsmentioning
confidence: 99%
“…Then, the action of a hydrohalogenated acid on the isourea gives salts which possess surface properties. The detailed procedure of the synthesis is described in our previous paper [27]. The general scheme of the reaction is the following:…”
Section: Synthesismentioning
confidence: 99%
“…The CMC of the two series of surfactants studied, C 12 IH-Cl, C 12 IH-Br, C 12 IH-I and C 8 IF-Cl, C 8 IF-Br, has been determined in our previous work [27] by measuring surface tension within the temperature range (15,20,25, and 30)°C. The CMC values were obtained from the abrupt change in the slope of the surface tension vs. log C plots.…”
Section: Critical Micelle Concentration (Cmc)mentioning
confidence: 99%
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