دسترسی یکپارچه به مقالات، کتابها و ارائههای علمی استاد دکتر محمدعلی زلفیگل؛ گردآوریشده از منابع معتبر دانشگاهی
Advanced Synthesis & Catalysis Vol. 354, No. 10, 2001–2008
Abstract Surface functionalization of magnetic particles is an elegant way to bridge the gap between heterogeneous and homogeneous catalysis. The introduction of magnetic particles (MPs) in a variety of solid matrices allows the combination…
DOI: 10.1002/adsc.201100352Comptes Rendus Chimie Vol. 15, No. 8, 719–736
In this work, some novel sulfonic acid functionalized imidazolium salts (SAFIS), as a new category of ionic liquids, are synthesized by eco-friendly and simple procedures, and used as highly efficient and reusable catalysts to promote the f…
DOI: 10.1016/j.crci.2012.05.003Journal of Sulfur Chemistry Vol. 33, No. 3, 259–272
Ionic liquid triethylamine-bonded sulfonic acid ([Et 3N–SO 3H]Cl, N,N-diethyl-N-sulfoethanammonium chloride) is utilized as a highly efficient, inexpensive and homogeneous catalyst to promote the following one-pot multi-component organic tr…
DOI: 10.1080/17415993.2012.690415Tetrahedron Vol. 68, No. 30, 6059–6064
DOI: 10.1016/j.tet.2012.05.006ChemInform Vol. 43, No. 23
DOI: 10.1002/chin.201223169Tetrahedron Letters Vol. 53, No. 28, 3546–3549
DOI: 10.1016/j.tetlet.2012.04.126Canadian Journal of Chemistry Vol. 90, No. 5, 427–432
A green and simple procedure for the thiocynation of aromatic and heteroaromatic rings in the presence of a catalytic amount of citric acid in water are described. The reactions proceed in high yields, with short reaction times and under mi…
DOI: 10.1139/v2012-013Journal of Heterocyclic Chemistry Vol. 49, No. 3, 596–599
3‐Chloropropylsilica was reacted with Kriptofix 21 or 22 in the presence of triethylamine to form N‐propylsilica Kryptofix 21 and Kriptofix 22. Then N2O4 was added to each of these polymers to chemisorb onto cavity of aza‐crown ethers. Thes…
DOI: 10.1002/jhet.828Catalysis Communications Vol. 26, 34–38
DOI: 10.1016/j.catcom.2012.04.015Journal of the Chinese Chemical Society Vol. 59, No. 7, 860–865
Abstract Trityl chloride (triphenylmethyl chloride, TrCl, Ph3CCl) is utilized as an efficient and homogeneous organocatalyst for the synthesis of 14‐aryl‐14H‐dibenzo[a,j]xanthenes from β‐naphthol and arylaldehydes under solvent‐free conditi…
DOI: 10.1002/jccs.201100719The Journal of Organic Chemistry Vol. 77, No. 7, 3640–3645
3-Methyl-1-sulfonic acid imidazolium nitrate ([Msim]NO(3)) as a new Brønsted acidic ionic liquid and nitrating agent was prepared and used for the efficient nitration of aromatic compounds (even aniline derivatives). The dramatic effect of …
DOI: 10.1021/jo300137wNano-Micro Letters Vol. 4, No. 1, 57–63
Abstract The adsorption of iodine onto silica coated magnetite nanoparticles (im-SCMNPs) that modified with imidazole was investigated for removal of high concentrations of iodine from wastewater. Modified silica magnetite nanoparticles sho…
DOI: 10.1007/bf03353693Journal of Chemical Sciences Vol. 124, No. 2, 501–508
DOI: 10.1007/s12039-011-0210-4ChemInform Vol. 43, No. 11
Abstract Review: use of N‐halo compounds as halogenating agents, in protection/deprotection chemistry, as oxidizing agents, in rearrangements and functional group transformations, in the formation of heterocyclic compounds and as catalysts;…
DOI: 10.1002/chin.201211250ChemInform Vol. 43, No. 10
Abstract The pharmacologically interesting target compounds are readily available if aromatic aldehydes are used.
DOI: 10.1002/chin.201210108Phosphorus, sulfur, and silicon and the related elements Vol. 187, No. 3, 295–304
This article describes a highly efficient heterogeneous catalytic thiocyanation of indoles, substituted anilines (electron rich and electron deficient) and N-substituted aromatic amines in water under mild and green conditions. The reaction…
DOI: 10.1080/10426507.2011.610846Journal of the Chinese Chemical Society Vol. 59, No. 2, 199–207
Abstract A highly efficient protocol for the synthesis of β‐acetamido ketone or ester derivatives in the presence of pyrazinium di(hydrogen sulfate) {Py(OSO3H)2} as a novel, green and homogeneous solid acid catalyst at room temperature is d…
DOI: 10.1002/jccs.201100383Journal of Molecular Liquids Vol. 167, 69–77
DOI: 10.1016/j.molliq.2011.12.012Catalysis Communications Vol. 20, 54–57
DOI: 10.1016/j.catcom.2012.01.001Journal of the Iranian Chemical Society Vol. 9, No. 1, 13–18
DOI: 10.1007/s13738-011-0011-1RSC Advances Vol. 2, No. 21, 8010–8010
In this work, a green, simple and efficient method for the synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol)s by the condensation of 1-phenyl-3-methylpyrazol-5-one with aromatic aldehydes using 1,3-disulfonic acid imi…
DOI: 10.1039/c2ra20988hHelvetica Chimica Acta Vol. 95, No. 1, 106–114
Abstract Two simple, mild, and efficient procedures for the thiocyanation of N‐heterocycles, substituted anilines (electron‐rich and electron‐deficient), and N‐substituted aromatic amines at room temperature are reported (Table 3). The firs…
DOI: 10.1002/hlca.201100244RSC Advances Vol. 2, No. 9, 3618–3618
An efficient solvent-free protocol for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes from β-naphthol and arylaldehydes using WCl6 as a reusable catalyst is reported. The turn over frequency (TOF) value of the catalyst is several times …
DOI: 10.1039/c2ra00014h