Tempo-mediated oxidation是一步法反应,即将Tempo(2,2,6,6-四甲基-1-哌啶氧化物)与底物一起反应得到产物。在该反应中,Tempo作为催化剂稳定地存在于反应体系中,并且能够循环使用。 过程解释上来说,tempo-mediated oxidation涉及底物分子与Tempo之间发生氧化还原反应。首先,Tempo通过与底物分子发生单电子转移形成一个自由...
TEMPO-mediated oxidation of native cellulose: microscopic analysis of fibrous fractions in the oxidized products. Carbohydr. Polym. 65, 435-440.TEMPO-mediated oxidation of native cellulose: Microscopic analysis of fibrous fractions in the oxidized products[J] . T. Saito,Y. Okita,T.T. Nge,J. ...
The 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidation was applied to water-insoluble (1 → 3)-β- d-glucans, paramylon and curdlan, to prepare water-soluble oxidized products. When the addition level of NaClO used as the primary oxidant was 15 mmol per gram of ...
2.Study on Living Radical Polymerization Mediated by TEMPO;TEMPO存在下的活性自由基聚合研究 3.Study on Living Free-Radical Polymerization Mediated by TEMPO;稳定自由基(TEMPO)存在下的活性自由基聚合研究 4.The Preparation of MWNTs-supported TEMPO Catalyst and Its Application in Alcohol Oxidation;多壁碳纳...
Linter cellulose was suspended in water and oxidized by the NaClO/NaBr/2,2,6,6-tetramehylpiperidine-1-oxy radical (TEMPO) system at pH 10.5 (TEMPO-mediated oxidation), and the oxidized products were separated into several fractions by filtration and centrifugation, depending on their particle si...
TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl radical)-mediated oxidation was applied to β-chitins, originating from tubeworm and squid pen, to prepare chitin nanofibrils. Water-insoluble fractions of the TEMPO-oxidized β-chitins were obtained in various ratios by controlling the addition level...
oxidation, dehydrogenationketones (benzene compounds)ketones (acyclic compounds)aldehydes (benzene compounds)aldehydes (acyclic compounds)Efficient ion-supported reagents (I) and (II) are applied to the oxidation of various primary and secondary alcohols with similar efficiency.doi:10.1002/chin.201236031...
TEMPO-mediated surface oxidation of cellulose nanocrystals (CNCs). FRASCHINI C,CHAUVE G,BOUCHARD J. Cellulose . 2017Fraschini, C., Chauve, G. G., & Bouchard, J. (2017). TEMPO-mediated surface oxidation of cellulose nanocrystals (CNCs). Cellulose, 24, 2775-2790....
(III)/TEMPO-mediatedoxidationofvariousaliphatic,aromaticandallylicalcoholstotheircorrespondingcar-bonylcompoundswassuccessfullyachievedbyusingmicroreactortechnology.Thismethodcanbeusedasanalternativefortheoxidationofvariousalcoholsachievingexcellentyieldsandselectivitiesinsignificantlyshortenedreactiontimes.1437IntroductionOxidationof...
1) TEMPO-mediated oxidation TEMPO氧化2) TEMPO(2,2,6,6-tetramethy1-1-piperidine-N-oxyl free radical) TEMPO(2,2,6,6-四甲基哌啶氮氧自由基)3) 2,2,6,6-tetramethyl-1-piperidine-N-oxyl free radical(TEMPO) 2,6,6-四甲基哌啶氮氧自由基(TEMPO)...