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Temperature Effects Upon Aqueous Micellar-assisted Decarboxylation of 6-Nitrobenzisoxazole-3-carboxylate and Its 5-Methyl Derivative by Lucia Brinchi; Raimondo Germani; Laura Goracci; Gianfranco Savelli; Nicoletta Spreti; Pietro Di Profio is a Chemistry article available to read on EtoBox.
What is Temperature Effects Upon Aqueous Micellar-assisted Decarboxylation of 6-Nitrobenzisoxazole-3-carboxylate and Its 5-Methyl Derivative about?
An investigation of temperature effects upon first-order rate constants in the micellar pseudophase for decarboxylation of 6-nitrobenzisoxazole-3-carboxylate (6-NBIC) and its 5-methyl derivative (6-NBIC-5-Me) was carried out. Surfactants used were cationic cetyltrialkylammonium bromide with alkyl = methyl (CTABr), ethyl (CTEABr), n-propyl (CTPABr), and n-butyl (CTBABr). The investigation shows that micelles speed up reactions by decreasing enthalpies of activation. Increase in head group bulk further speeds reactions still by a small decrease in the enthalpies, for both substrates. Values of DeltaH# and DeltaS# for 6-NBIC in the various surfactants give linear isokinetic plot, with CTBABr as outlier.
Who reads Temperature Effects Upon Aqueous Micellar-assisted Decarboxylation of 6-Nitrobenzisoxazole-3-carboxylate and Its 5-Methyl Derivative?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Lucia Brinchi; Raimondo Germani; Laura Goracci; Gianfranco Savelli; Nicoletta Spreti; Pietro Di Profio
- Publisher
- Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0021-9797)
- Published
- 2006
- Language
- EN
- Field
- Chemistry (Physical Sciences)