کتابخانه جامع آثار علمی

Melamine Hydrogen Peroxide (MHP): Novel and Efficient Reagent for the Chemo- and Homoselective and Transition Metal–Free Oxidation of Thiols and Sulfides

Gholamabbas Chehardoli, Mohammad Ali Zolfigol

Phosphorus, sulfur, and silicon and the related elements Vol. 185, No. 1, 193–203

Melamine hydrogen peroxide (MHP) as a novel hydrogen peroxide adduct was easily prepared. Both chemo- and homoselective oxidation of thiols and sulfides to their corresponding disulfides and sulfoxides occurred by using MHP in moderate to e…

ChemInform Abstract: Iodogen: A Novel Reagent for the Oxidation of Urazoles under Heterogeneous Conditions.

Ahmad Khoramabadi‐zad, Azam Shiri, Mohammad Ali Zolfigol, Shadpour Mallakpour

ChemInform Vol. 41, No. 2

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

Preparation of Silica Supported Tin Chloride: As a Recyclable Catalyst for the Silylation of Hydroxyl Groups with HMDS

Khodabakhsh Niknam, Mohammad Ali Zolfigol, Dariush Saberi, Hajar Molaee

Journal of the Chinese Chemical Society Vol. 56, No. 6, 1257–1264

Abstract Silica‐supported tin chloride [SiO2‐Sn(Cl)4‐n] has been prepared by mixing tin chloride with activated silica gel in toluene under refluxing conditions for one day. A range of primary, secondary, and tertiary alcohols as well as ph…

ChemInform Abstract: 1‐Butyl‐3‐methylimidazolium Hydrogen Sulfate [bmim]HSO4: An Efficient Reusable Acidic Ionic Liquid for the Formylation of Alcohols.

Khodabaksh Niknam, Mohammad Ali Zolfigol, Dariush Saberi, Mahdi Khonbazi

ChemInform Vol. 40, No. 50

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

Saccharinsulfonic acid: an efficient and recyclable catalyst for acetylation of alcohols, phenols, and amines

Farhad Shirini, Mohammad Ali Zolfigol, Masoumeh Abedini

Monatshefte für Chemie - Chemical Monthly Vol. 140, No. 12, 1495–1498

AlCl3 as a powerful catalyst for the one-pot preparation of 1,1,3-triheteroaryl compounds

Morteza Shiri, Mohammad Ali Zolfigol, Roya Ayazi‐Nasrabadi

Tetrahedron Letters Vol. 51, No. 2, 264–268

Electrophilic Bromination of Alkenes, Alkynes, and Aromatic Amines with Potassium Bromide/Orthoperiodic Acid under Mild Conditions

Ardeshir Khazaei, Mohammad Ali Zolfigol, Eskandar Kolvari, Nadiya Koukabi, Hamid Soltani, Fatemeh Komaki

Synthesis Vol. 2009, No. 21, 3672–3676

Bromination of alkenes, alkynes, and aromatic amines has efficiently been carried out at room temperature in short reaction times using potassium bromide/orthoperiodic acid in dichloromethane-water (1:1) to prepare the corresponding bromo c…

Iodogen: A Novel Reagent for the Oxidation of Urazoles under Heterogeneous Conditions

Ahmad Khoramabadi‐zad, Azam Shiri, Mohammad Ali Zolfigol, Shadpour Mallakpour

Synthesis Vol. 2009, No. 16, e4–e4

All articles of this category In the e-first version the name of the author Ahmad Khoramabadi-zad was misspelled as Ahmad Khoramabadi. It has been corrected for both the print and the current online versions.

1‐Butyl‐3‐methylimidazolium Hydrogen Sulfate [bmim]HSO4: An Efficient Reusable Acidic Ionic Liquid for the Formylation of Alcohols

Khodabakhsh Niknam, Mohammad Ali Zolfigol, Dariush Saberi, Mahdi Khonbazi

Chinese Journal of Chemistry Vol. 27, No. 8, 1548–1552

Abstract 1‐Butyl‐3‐methylimidazolium hydrogen sulfate [bmim]HSO4 as an acidic ionic liquid was prepared and used as a catalyst for the formylation of alcohols with ethyl formate at room temperature with good to excellent yields. A good sele…

ChemInform Abstract: Zirconium Tetrakis(dodecyl Sulfate) [Zr(DS)4] as an Efficient Lewis Acid—Surfactant Combined Catalyst for the Synthesis of Quinoxaline Derivatives in Aqueous Media.

Alireza Hasaninejad, Abdolkarim Zare, Mohammad Ali Zolfigol, Mohsen Shekouhy

ChemInform Vol. 40, No. 32

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

Synthesis of new tripodal Hantzsch 1,4-dihydropyridines under solvent-free condition and their conversion to the corresponding tripodal pyridines

Mohammad Ali Zolfigol, Eskandar Kolvari, Abbas Abdoli, Morteza Shiri

Molecular Diversity Vol. 14, No. 4, 809–813

1,3,5-Triazine-2,4,6-triyltrisulfamic acid (TTSA): A new organic solid acid for the nitrosation of secondary amines and oxidation of urazoles in the presence of NaNO2 under mild and heterogeneous conditions

Gholamabbas Chehardoli, Mohammad Ali Zolfigol, Toktam Faal‐Rastegar, Shadpour Mallakpour, Arash Ghorbani‐Choghamarani

Journal of Chemical Sciences Vol. 121, No. 4, 441–447

Chemoselective Oxidation of Sulfides with Ammonium Nitrate and Silica Sulfuric Acid Catalyzed by KBr

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Toktam Faal Rastegar

CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION) Vol. 30, No. 4, 273–275

1,3–Dichloro‐5,5–Dimethylhydantoin (DCH) and Trichloromelamine (TCM) as Efficient Catalysts for the Chemoselective Trimethylsilylation of Hydroxyl Group with 1,1,1,3,3,3–Hexamethyldisilazane (HMDS) Under Mild Conditions

Arash Ghorbani‐Choghamarani, Kamal Amani, Mohammad Ali Zolfigol, Maryam Hajjami, Roya Ayazi‐Nasrabadi

Journal of the Chinese Chemical Society Vol. 56, No. 2, 255–260

Abstract A highly convenient method for the trimethylsilylation of alcohols and phenols via treatment by hexamethyldisilazane in the presence of 1,3–dichloro‐5,5–dimethylhydantoin (DCH) and/or trichloromelamine (TCM) as a catalyst has been …

ChemInform Abstract: Surfactant‐Type Catalysts in Organic Reactions.

Morteza Shiri, Mohammad Ali Zolfigol

ChemInform Vol. 40, No. 14

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

ChemInform Abstract: PEG‐N2O4: An Efficient Nitrating Agent for the Selective Mono‐ and Dinitration of Phenols under Mild Conditions.

Mohammad Ali Zolfigol, Elaheh Madrakian, Ezat Ghaemi, Khodabakhsh Niknam

ChemInform Vol. 40, No. 14

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

Catalytic oxidation of sulfides to sulfoxides using sodium perborate and/or sodium percarbonate and silica sulfuric acid in the presence of KBr

Davood Habibi, Mohammad Ali Zolfigol, Maliheh Safaiee, Atefeh Shamsian, Arash Ghorbani‐Choghamarani

Catalysis Communications Vol. 10, No. 8, 1257–1260

Zirconium Tetrakis(dodecyl Sulfate) [Zr(DS)4] as an Efficient Lewis Acid–Surfactant Combined Catalyst for the Synthesis of Quinoxaline Derivatives in Aqueous Media

Alireza Hasaninejad, Abdolkarim Zare, Mohammad Ali Zolfigol, Mohsen Shekouhy

Synthetic Communications Vol. 39, No. 4, 569–579

Zirconium tetrakis(dodecyl sulfate) [Zr(DS)4] efficiently catalyzes the synthesis of quinoxaline derivatives via the condensation of 1,2-diamines with 1,2-diketones in H2O as a green media at room temperature. Using this method, the title c…

ChemInform Abstract: Friedlaender Quinoline Synthesis Catalyzed by M(HSO4)n (M: Al, Mg, Ca) under Solvent‐Free Conditions.

Khodabakhsh Niknam, Mohammad Ali Zolfigol, Amin Dehghani

ChemInform Vol. 40, No. 7

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

ChemInform Abstract: Applications of Some Metal Hydrogen Sulfates in Organic Transformations

Farhad Shirini, Mohammad Ali Zolfigol, Peyman Salehi, Masoumeh Abedini

ChemInform Vol. 40, No. 5

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

ChemInform Abstract: M(HSO4)n‐Promoted Synthesis of 2‐Aryl‐1‐arylmethyl‐1H‐1,3‐benzimidazole Derivatives.

Khodabakhsh Niknam, Mohammad Ali Zolfigol, Negar Safikhani

ChemInform Vol. 40, No. 5

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a…

Metal Hydrogen Sulfates M(HSO4)n: As Efficient Catalysts for the Synthesis of Quinoxalines in EtOH at Room Temperature

Khodabakhsh Niknam, Mohammad Ali Zolfigol, Ziba Tavakoli, Z Shahmohammadi Heydari

Journal of the Chinese Chemical Society Vol. 55, No. 6, 1373–1378

Abstract A convenient method for the synthesis of quinoxalines catalysed by metal hydrogen sulfates by the reaction of 1,2‐diamino compounds and 1,2‐dicarbonyl compounds in ethanol as solvent at room temperature is reported.

Trimethylsilylation of Hydroxyl Group with 1,1,1,3,3,3‐Hexamethyldisilazane (HMDS) Catalyzed by Tribromomelamine (TBM)

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Maryam Hajjami, Shila Jafari

Journal of the Chinese Chemical Society Vol. 55, No. 6, 1208–1213

Abstract Tribromomelamine (TBM) can be used as a novel catalyst for the trimethylsilylation of alcohols and phenols with 1,1,1,3,3,3‐hexamethyldisilazane (HMDS). A wide variety of hydroxyl groups were selectively protected in CH2Cl2/CH3CN u…

Surfactant-type catalysts in organic reactions

Morteza Shiri, Mohammad Ali Zolfigol

Tetrahedron Vol. 65, No. 3, 587–598