دسترسی یکپارچه به مقالات، کتابها و ارائههای علمی استاد دکتر محمدعلی زلفیگل؛ گردآوریشده از منابع معتبر دانشگاهی
Helvetica Chimica Acta Vol. 95, No. 1, 115–119
Abstract A clean and efficient tandem oxidative cyclocondensation process is reported for the synthesis of 3,4‐dihydropyrimidin‐2(1H)‐one or ‐thione derivatives from primary aryl alcohols, β‐keto esters, and urea or thiourea in the presence…
DOI: 10.1002/hlca.201100242South African Journal of Chemistry Vol. 65, No. 1, 280–285
Magnetic nano-Fe3O4 was applied in the presence of atmospheric air as a green, efficient, heterogeneous and reusable catalytic system for the synthesis of benzimidazoles via the reactions of o-phenylenediamine (1 eq) with aryl aldehydes (1 …
South African Journal of Chemistry Vol. 65, No. 1, 63–68
Bronstedacidic ionic liquid 3-methyl-1-sulphonic acid imidazolium chloride {(Msim)Cl} is utilized as a highly efficient, inexpen- sive, mild and green catalyst for the synthesis of -acetamido ketones by the one-pot multi-component coupling …
Organic Preparations and Procedures International Vol. 44, No. 4, 375–380
gem-Halonitro compounds 1 and 2 have proven to be versatile intermediates in the synthesis of molecules possessing one or more nitro groups. They have been prepared traditionally either by the dire...
DOI: 10.1080/00304948.2012.697719Der pharma chemica Vol. 4, No. 4, 1397–1403
3-Nitrophthalic anhydride was reacted with urea and cobalt salt in nitrobenzene under N2 at 185°C and cobalttetraanitrophthalocyanine (CoTNP) was produced. Cobalt-tetraaminophthalocyanine (CoTAP) was produced by reduction of CoTNP caused by…
ChemInform Vol. 43, No. 4
Abstract Structurally diverse alcohols and phenols are trimethylsilylated conveniently using iodine generated in situ from CAN/KI or Oxone/KI systems as catalyst.
DOI: 10.1002/chin.201204040Organic Chemistry International Vol. 2011, 1–3
Various organic solid acids/NaNO2 were used as effective oxidizing agents for the oxidation of urazoles and bis-urazoles to their corresponding triazolinediones under mild and heterogeneous conditions at room temperature with good-to-excell…
DOI: 10.1155/2011/497852Bulletin of the Korean Chemical Society Vol. 32, No. 12, 4191–4194
Sodium periodate ( $NaIO_4$ ) and potassium iodide (KI) in aqueous ammonia has been used for the one-pot synthesis of nitriles from the corresponding aldehydes and alcohols in moderate to good yield. This transformation, proceeds via an in …
DOI: 10.5012/bkcs.2011.32.12.4191Journal of the Iranian Chemical Society Vol. 8, No. 4, 1058–1062
DOI: 10.1007/bf03246563Green Chemistry Letters and Reviews Vol. 5, No. 2, 155–159
Quinoxaline derivatives have been synthesized in high yields in the presence of p-dodecylbenzensulfulfonic acid as an inexpensive, nontoxic, and efficient Bronsted acid-surfactant-combined catalyst in water at room temperature.
DOI: 10.1080/17518253.2011.606849ChemInform Vol. 42, No. 51
Abstract The magnetic nanoparticle catalyst can easily be recovered from the reaction mixture with an external magnet and can be reused without decrease of the catalytic performance.
DOI: 10.1002/chin.201151136ChemInform Vol. 42, No. 51
Abstract The use of the modified, nonvolatile, inexpensive, and safe catalyst in the Michael addition reaction with indole (I), pyrrole (VI), and thiols (VIII)/(XI) is presented.
DOI: 10.1002/chin.201151026Scientia Iranica Vol. 18, No. 6, 1365–1371
Ionic liquid 3-methyl-1-sulfonic acid imidazolium chloride/ FeCl 3 , as well as ionic liquid 1, 3-disulfonic acid imidazolium chloride/ FeCl 3 catalytic systems, efficiently catalyzes the condensation of benzene-1, 2-diamine with aromatic a…
DOI: 10.1016/j.scient.2011.09.016Monatshefte für Chemie - Chemical Monthly Vol. 143, No. 5, 809–814
DOI: 10.1007/s00706-011-0649-5Comptes Rendus Chimie Vol. 14, No. 10, 934–943
A facile and environmentally-benign protocol has been developed for the synthesis of triarylmethanes (TAMs) from the reaction of different arenes and aldehydes in the presence of silica sulfuric acid (SSA) as a heterogeneous and reusable ca…
DOI: 10.1016/j.crci.2011.02.009Chinese Chemical Letters Vol. 22, No. 11, 1305–1308
DOI: 10.1016/j.cclet.2011.07.004Journal of the Iranian Chemical Society Vol. 8, No. 3, 840–850
DOI: 10.1007/bf03245914Clinical Biochemistry Vol. 44, No. 13, S219–S219
DOI: 10.1016/j.clinbiochem.2011.08.973Journal of Chemical Sciences Vol. 123, No. 5, 703–708
DOI: 10.1007/s12039-011-0120-5Clinical Biochemistry Vol. 44, No. 13, S163–S164
DOI: 10.1016/j.clinbiochem.2011.08.412Journal of Heterocyclic Chemistry Vol. 48, No. 6, 1448–1454
Abstract Silica phenyl sulfonic acid (SPSA) was prepared and effectively used in the one‐pot synthesis of 2‐aryl‐1‐arylmethyl‐1H‐1,3‐benzimidazoles from o‐phenylenediamine with aldehydes in water in the presence of tetrabutyl ammonium bromi…
DOI: 10.1002/jhet.765Journal of the Chinese Chemical Society Vol. 58, No. 4, 538–543
Abstract The organic tribromide, [H2‐cryptand 222](Br3)2 was synthesized and characterized by X‐ray crystallography, and was utilized as an active catalyst for the N‐boc protection of amines. The method is general for the preparation of N‐b…
DOI: 10.1002/jccs.201190018ChemInform Vol. 42, No. 27
Abstract Review: about 400 refs.
DOI: 10.1002/chin.201127234Journal of the Iranian Chemical Society Vol. 8, No. 2, 484–494
DOI: 10.1007/bf03249082