نتایج جستجو برای: 1 butyl 3 methylimidazolium bromide

تعداد نتایج: 3607024  

Journal: :Organic letters 2001
R X Ren J X Wu

[reaction--see text] Alcohols were efficiently converted to alkyl halides using 1-n-butyl-3-methylylimidazolium halides (ionic liquids) in the presence of Brønsted acids at room temperature. The alkyl halide products were easily isolated from the reaction mixture via simple decantation or extraction, and the 1-n-butyl-3-methylimidazolium cation could be recycled for further uses.

Journal: :Chemical Industry & Chemical Engineering Quarterly 2021

In this work, the ethanol fuel dehydration process was optimized using Aspen Plus? simulator and a multivariate statistical technique based on desirability function. The suitability of ionic liquids 1-methylimidazolium chloride ([Mim][Cl]), 1-ethyl-3-methylimidazolium ([Emim][Cl]), 1-butyl- -3-methylimidazolium ([Bmim][Cl]) 1-hexyl-3-methylimidazolium ([Hmim][Cl]), as extractive distillation en...

Journal: :Chemical communications 2010
Anna Osichow Stefan Mecking

Alkoxycarbonylation of ethylene with carbon monoxide and cellulose in 1-n-butyl-3-methylimidazolium methanesulfonate affords cellulose propionate with a degree of substitution of 1-2.

A. S. Shahvelayati M. Sabbaghan S. E. Bashtani

ZnO nanostructures have been synthesized by a simple reflux method, using different ionic liquids, such as 1-benzyl-3-methylimidazolium bromide ([BzMIM][Br]), 1,1'-(1,4 phenylenebis (methylene)) bis (3-methyl-1H-imidazol-3-ium) bromide ([MM-1,4-DBzIM2][Br]2) and 1-phenacyl-3-methylimidazolium bromide ([PMIM][Br]), with different amount of sodium hydroxide in water. Als...

Journal: :international journal of nanoscience and nanotechnology 2015
a. s. shahvelayati m. sabbaghan s. e. bashtani

zno nanostructures have been synthesized by a simple reflux method, using different ionic liquids, such as 1-benzyl-3-methylimidazolium bromide ([bzmim][br]), 1,1'-(1,4 phenylenebis (methylene)) bis (3-methyl-1h-imidazol-3-ium) bromide ([mm-1,4-dbzim2][br]2) and 1-phenacyl-3-methylimidazolium bromide ([pmim][br]), with different amount of sodium hydroxide in water. also the effect of reaction t...

2017
Kai Schütte Juri Barthel Manuel Endres Marvin Siebels Bernd M Smarsly Junpei Yue Christoph Janiak

Decomposition of transition-metal amidinates [M{MeC(NiPr)2} n ] [M(AMD) n ; M=MnII, FeII, CoII, NiII, n=2; CuI, n=1) induced by microwave heating in the ionic liquids (ILs) 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIm][BF4]), 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIm][PF6]), 1-butyl-3-methylimidazolium trifluoromethanesulfonate (triflate) ([BMIm][TfO]), and 1-butyl-3-methyl...

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