Search Results - "Khosropour, A. R."
-
1
Micellization of Pentanediyl-1,5-bis(hydroxyethylmethyl hexadecylammonium Bromide) as a Cationic Gemini Surfactant in Aqueous Solutions: Investigation Using Conductometry and Fluorescence Techniques
Published in Journal of solution chemistry (01-06-2011)“…Pentanediyl-1,5-bis (hydroxyethylmethylhexadecylammonium bromide) was synthesized and characterized as a type of novel gemini cationic surfactant. Its solution…”
Get full text
Journal Article -
2
Enhancement of stability and catalytic activity of immobilized lipase on silica-coated modified magnetite nanoparticles
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (2012)“…► The modified silica-coated magnetite nano-particles were synthesized and characterized by various techniques. ► Porcine pancreas lipase (PPL) was covalently…”
Get full text
Journal Article -
3
Characterization of Modified Magnetite Nanoparticles for Albumin Immobilization
Published in Biotechnology Research International (01-01-2014)“…Magnetite Fe3O4 nanoparticles (NPs) were prepared by chemical coprecipitation method. Silica-coated magnetite NPs were prepared by sol-gel reaction,…”
Get full text
Journal Article -
4
Mild and Highly Efficient Preparation of Symmetrical Disulfides and Diselenides Using Bipyridinum Hydrobromide Perbromide as a New Oxidative Reagent
Published in Phosphorus, sulfur, and silicon and the related elements (01-01-2005)“…A rapid and efficient method for the large-scale synthesis of symmetrical disulfides and diselenides is developed involving oxidative coupling of corresponding…”
Get full text
Journal Article -
5
-
6
Bi(III) SALTS AS NEW CATALYSTS FOR THE SELECTIVE CONVERSION OF TRIMETHYLSILYL AND TETRAHYDROPYRANYL ETHERS TO THEIR CORRESPONDING ACETATES AND FORMATES
Published in Synthetic communications (01-01-2002)“…Bi(III) salts such as BiCl 3 , Bi(TFA) 3 and Bi(OTf) 3 were found to be efficient catalysts for the transformation of trimethylsilyl (TMS) and…”
Get full text
Journal Article -
7
BiCl3 Catalyzed Thiolyzation Reaction of 1,2-Epoxides with Diaryl Disulfides in the Presence of Zinc Powder and Ionic Liquid
Published in Phosphorus, sulfur, and silicon and the related elements (01-11-2005)“…A new and efficient method has been developed for the regio- and chemoselective synthesis of β -hydroxysulfides with the ring-opening reaction of 1,2-epoxides…”
Get full text
Journal Article -
8
EFFICIENT CONVERSION OF EPOXIDES TO 1,3-DIOXOLANES CATALYZED BY BISMUTH(III) SALTS
Published in Synthetic communications (01-01-2001)“…Epoxides react with acetone in the presence of catalytic amounts of bismuth(III) salts including BiCl 3 , Bi(TFA) 3 and Bi(OTf) 3 affording the corresponding…”
Get full text
Journal Article -
9
Efficient and Green Protocol for the Synthesis of thioamides in C6(mim)2Cl2 as a dicationic ionic liquid
Published in Journal of the Iranian Chemical Society (01-09-2010)“…A simple, efficient, facile and eco-friendly process for the synthesis of thioamides from nitriles using 1,6-bis(3- methylimidazolium-1-yl)hexane chloride [C 6…”
Get full text
Journal Article -
10
Nano-silica sulfuric acid catalyzed the efficient synthesis of 1,3,5-triarylbenzenes under microwave irradiation
Published in Journal of the Iranian Chemical Society (01-10-2012)“…Nano-silica sulfuric acid as a heterogeneous, eco-friendly and reusable catalyst was used in the synthesis of 1,3,5-triarylbenzenes via triple-self…”
Get full text
Journal Article -
11
-
12
H3PW12O40@[bmim][FeCl4]: A green catalytic system for alkoxymethylation of alcohols and their one-pot interconversion to acetates and TMS-ethers
Published in Journal of the Iranian Chemical Society (01-06-2011)“…12-Tungstophosphoric acid immobilized on [bmim][FeCl 4 ] was found to be an efficient catalyst for chemoselective methoxymethylation and ethxoymethylation of…”
Get full text
Journal Article -
13
CAN/[nbp]FeCl4 as a reusable catalytic system for direct conversion of trimethylsilyl ethers to their acetates under microwave irradiation
Published in Journal of the Iranian Chemical Society (01-09-2008)“…A rapid and easy procedure for direct conversion of TMS-ethers to their acetates catalyzed by cerium(IV) ammonium nitrate (CAN) immobilized on…”
Get full text
Journal Article -
14
A modified procedure for the Dakin–West reaction: an efficient and convenient method for a one-pot synthesis of β-acetamido ketones using silica sulfuric acid as catalyst
Published in Tetrahedron letters (21-03-2005)“…[Display omitted] A one-pot, four-component condensation of an aryl aldehyde, an aryl ketone, acetyl chloride and acetonitrile in the presence of silica…”
Get full text
Journal Article -
15
Novel deprotection method of aryl aldehyde bisulfite adducts with recoverable [BPy]FeCl4 as a new ionic liquid catalyst
Published in Journal of the Iranian Chemical Society (01-03-2006)Get full text
Journal Article -
16
Direct synthesis of p-nitrobenzoic acid and benzoic acids from benzyl ketones and acetophenones using the CAN/HOAc system
Published in Journal of the Iranian Chemical Society (01-09-2007)Get full text
Journal Article -
17
-
18
Bismuth(III) salts as convenient and efficient catalysts for the selective acetylation and benzoylation of alcohols and phenols
Published in Tetrahedron (02-07-2001)“…Efficient acetylation and benzoylation of alcohols and phenols with acetic and benzoic anhydrides have been carried out under catalysis of bismuth(III) salts…”
Get full text
Journal Article -
19
Cerium(III) Chloride Heptahydrate (CeCl3 · 7H2O) as an Efficient Enamination Catalyst in Aqueous Media
Published in Russian journal of organic chemistry (01-10-2005)Get full text
Journal Article -
20