958-60-1Relevant articles and documents
Effect of CPC micelle on N-hetero-aromatic base promoted room temperature permanganate oxidation of 2-butanol in aqueous medium
Ghosh, Aniruddha,Sengupta, Kriti,Saha, Rumpa,Saha, Bidyut
, p. 369 - 380 (2014)
Oxidation kinetics of 2-butanol by permanganate ion under pseudo-first-order conditions, [2-butanol]T [MnO4 -]T, in aqueous sulfuric acid solutions at 30 °C have been investigated spectrophotometrically. The pseudo-first-order rate constants and half-life were calculated from the ln(Absorbance)525 versus time plot. The rates were found to be relatively slow in the uncatalyzed path, which increase by the presence of N-cetylpyridinium chloride (CPC) micelle and promoters: picolinic acid (PA) and 2,2-bipyridine (bipy). The catalytic effect of CPC on the permanganate oxidation of 2-butanol has been studied spectrophotometrically in the presence of promoter. CMC value of CPC was determined by three different techniques: conductometry, spectrophotometry and kinetics measurements. NMR and FTIR spectra confirmed the oxidized products. The aggregation and morphological changes during reaction were studied by Scanning Electron Microscope (SEM) and Transmission Electron Microscope (TEM). The variation of the reaction rates for the different promoters in the presence and absence of CPC micellar catalyst is discussed qualitatively in the terms of partitioning nature of surfactant, charge of surfactant and reactants. Bipy in association with CPC micellar catalyst exhibited ~ 100-fold rate enhancements compared to the uncatalyzed reaction path.
Effect of CHAPS and CPC micelles on Ir(III) catalyzed Ce(IV) oxidation of aliphatic alcohols at room temperature and pressure
Ghosh, Aniruddha,Saha, Rumpa,Saha, Bidyut
, p. 223 - 237 (2014/05/06)
Kinetics of cerium(IV) oxidation of aliphatic alcohols: ethanol, propanol, propan-2-ol, 1-butanol and 2-butanol were studied at 30 °C in the presence and absence of surfactants in acidic medium. The reaction was studied under pseudo-first-order conditions
A facile mild deprotection protocol for 1,3-dithianes and 1,3-dithiolanes with 30% hydrogen peroxide and iodine catalyst in aqueous micellar system
Ganguly, Nemai C.,Barik, Sujoy Kumar
experimental part, p. 1393 - 1399 (2009/12/29)
A simple clean expeditious protocol for the deprotection of 1,3-dithianes and 1,3-dithiolanes has been developed using 30% aqueous hydrogen peroxide activated by iodine catalyst (5 mol%) in water in the presence of sodium dodecyl sulfate (SDS) under essentially neutral conditions. The method showed tolerance for a number of phenol protecting groups such as allyl, benzyl, TBDMS, TBDPS ethers, phenolic acetates, and benzoates as well as amino-protecting BOC, Cbz carbamates without any detectable overoxidation. Georg Thieme Verlag Stuttgart.
