مقالات و آثار علمی استاد دکتر محمدعلی زلفی‌گل

Synthesis, characterization, and properties of co-poly(ether–urethane–urea)s containing lariat cryptand 22: Li+ harvesting polymers

Shadpour E Mallakpour, Fatemeh Rafiemanzelat, Mohammad Ali Zolfigol, Peyman Salehi, Ding‐Yah Yang

Polymer Bulletin Vol. 67, No. 4, 553–569

Advances in the application of N2O4/NO2 in organic reactions

Morteza Shiri, Mohammad Ali Zolfigol, Hendrik Gerhardus Kruger, Zahra Tanbakouchian

Tetrahedron Vol. 66, No. 47, 9077–9106

ChemInform Abstract: Metal‐Free Oxidation of Urazole and 1,4‐Dihydropyridine Derivatives under Mild and Heterogeneous Conditions by Nitro Urea, Derived from Urea Nitrate, and Silica Sulfuric Acid.

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Maryam Hajjami, Shahrbanoo Rastgoo, Shadpour E Mallakpour

ChemInform Vol. 41, No. 40

Abstract Advantages of the title procedure are the non‐toxic and mild conditions and the easy and clean work‐up of the products.

3-Methyl-1-Sulfonic acid imidazolium chloride as a new, efficient and recyclable catalyst and solvent for the preparation of N-sulfonyl imines at room temperature

Mohammad Ali Zolfigol, Ardeshir Khazaei, Ahmad Reza Moosavi‐Zare, Abdolkarim Zare

Journal of the Iranian Chemical Society Vol. 7, No. 3, 646–651

Saccharin sulfonic acid catalyzed N-Boc protection of amines and formation of tert-butyl ethers from alcohols

Farhad Shirini, Mohammad Ali Zolfigol, Masoumeh Abedini

Journal of the Iranian Chemical Society Vol. 7, No. 3, 603–607

ChemInform Abstract: Protection of Hydroxy Groups as Trimethylsilyl Ethers Using 1,1,1,3,3,3‐Hexamethyldisilazane (HMDS) Catalyzed by Poly(4‐vinylpyridinium tribromide).

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Maryam Hajjami, Khorshid Darvishi, Laleh Gholamnia

ChemInform Vol. 41, No. 38

Abstract A very efficient procedure for the protection of alcohols and phenols is presented.

ChemInform Abstract: Efficient Acetylation of Alcohols, Phenols, and Amines Catalyzed by Melamine Trisulfonic Acid (MTSA).

Farhad Shirini, Mohammad Ali Zolfigol, Alireza Aliakbar, Jalal Albadi

ChemInform Vol. 41, No. 38

Abstract Advantages of this new method are the ease of preparation and stability of the reagent, the heterogeneous nature of the reaction conditions and the ease of work‐up.

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

Ardeshir Khazaei, Mohammad Ali Zolfigol, Eskandar Kolvari, Nadiya Koukabi, Hamid Soltani, Leyla Sharaf Bayani

Synthetic Communications Vol. 40, No. 19, 2954–2962

Bromination of alkenes, alkynes, and aromatic amines has efficiently been carried out at room temperature in short reaction times using HIO3/KBr in CH2Cl2/H2O (1:1) to prepare corresponding brominated compounds in excellent yields.

Trityl chloride as an efficient organic catalyst for the synthesis of 1-amidoalkyl-2-naphtols in neutral media at room temperature

Ardeshir Khazaei, Mohammad Ali Zolfigol, Ahmad Reza Moosavi‐Zare, Abdolkarim Zare, Abolfath Parhami, Ali Khalafi‐Nezhad

Applied Catalysis A General Vol. 386, No. 1-2, 179–187

ChemInform Abstract: Melamine Trisulfonic Acid (MTSA): A New Efficient Catalyst for the Chemoselective Methoxymethylation of Alcohols.

Farhad Shirini, Mohammad Ali Zolfigol, Jalal Albadi

ChemInform Vol. 41, No. 32

Abstract Melamine trisulfonic acid efficiently promotes Mom protection of alcohols.

ChemInform Abstract: H5IO6/KI: A New Combination Reagent for Iodination of Aromatic Amines, and Trimethylsilylation of Alcohols and Phenols Through in situ Generation of Iodine under Mild Conditions.

Mohammad Ali Zolfigol, Ardeshir Khazaei, Eskandar Kolvari, Nadiya Koukabi, Hamid Soltani, Maryam Behjunia

ChemInform Vol. 41, No. 31

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…

ChemInform Abstract: Ionic Liquid 3‐Methyl‐1‐sulfonic Acid Imidazolium Chloride as a Novel and Highly Efficient Catalyst for the very Rapid Synthesis of Bis(indolyl)methanes under Solvent‐Free Conditions.

Mohammad Ali Zolfigol, Ardeshir Khazaei, Ahmad Reza Moosavi‐Zare, Abdolkarim Zare

ChemInform Vol. 41, No. 30

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…

ChemInform Abstract: Silica‐Bonded S‐Sulfonic Acid as a Recyclable Catalyst for the Silylation of Hydroxyl Groups with Hexamethyldisilazane (HMDS).

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

ChemInform Vol. 41, No. 30

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…

Metal-Free Oxidation of Urazole and 1,4-Dihydropyridine Derivatives Under Mild and Heterogeneous Conditions by Nitro Urea, Derived from Urea Nitrate, and Silica Sulfuric Acid

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Maryam Hajjami, Shahrbanoo Rastgoo, Shadpour E Mallakpour

Letters in Organic Chemistry Vol. 7, No. 3, 249–254

Mild combination of nitro urea, derived from urea nitrate, and silica sulfuric acid (SiO2OSO3H) might act as an efficient oxidizing media, which could be able to oxidize different types of heterocyclic compounds including urazoles and 1,4-d…

Efficient Acetylation of Alcohols, Phenols, and Amines Catalyzed by Melamine Trisulfonic Acid (MTSA)

Farhad Shirini, Mohammad Ali Zolfigol, Alireza Aliakbar, Jalal Albadi

Synthetic Communications Vol. 40, No. 7, 1022–1028

Melamine trisulfonic acid (MTSA) was easily prepared by the reaction of melamine with neat chlorosulfonic acid at room temperature. This reagent can be used as an efficient catalyst for the acetylation of alcohols, phenols, and amines with …

H5IO6/KI: A New Combination Reagent for Iodination of Aromatic Amines, and Trimethylsilylation of Alcohols and Phenols through in situ Generation of Iodine under Mild Conditions

Mohammad Ali Zolfigol, Ardeshir Khazaei, Eskandar Kolvari, Nadiya Koukabi, Hamid Soltani, Maryam Behjunia

Helvetica Chimica Acta Vol. 93, No. 3, 587–594

Abstract A simple method for the in situ generation of iodine using H5IO6/KI has been developed, and its application in silylation of OH group and iodination of aromatic amines is described.

Melamine Trisulfonic Acid (MTSA): A New Efficient Catalyst for the Chemoselective Methoxymethylation of Alcohols

Farhad Shirini, Mohammad Ali Zolfigol, Jalal Albadi

Synthetic Communications Vol. 40, No. 6, 910–914

Melamine trisulfonic acid, which is easily prepared by the reaction of melamine with neat chlorosulfonic acid, is able to efficiently catalyze the chemoselective methoxymethylation of alcohols with dimethoxymethane (DMM). All reactions were…

1,2-Dipyridiniumditribromide-ethane (DPTBE) as a New Oxidizing Agent for the Chemoselective Oxidation of Sulfides to the Sulfoxides

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Tahereh Azadbakht

Phosphorus, sulfur, and silicon and the related elements Vol. 185, No. 3, 573–577

A wide range of aliphatic or aromatic sulfides is selectively oxidized to the corresponding sulfoxides using 1,2-dipyridiniumditribromide-ethane (DPTBE) in a mixture of CH2Cl2/H2O under heterogeneous conditions in moderate to high yields. S…

ChemInform Abstract: 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

ChemInform Vol. 41, No. 10

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…

Ionic Liquid 3-Methyl-1-sulfonic Acid Imidazolium Chloride as a Novel and Highly Efficient Catalyst for the Very Rapid Synthesis of bis(Indolyl)methanes under Solvent-free Conditions

Mohammad Ali Zolfigol, Ardeshir Khazaei, Ahmad Reza Moosavi‐Zare, Abdolkarim Zare

Organic Preparations and Procedures International Vol. 42, No. 1, 95–102

The exploitation of ionic liquids as solvents in organic transformations has been reported extensively during the past decade. 1 – 5 The most useful properties of ionic liquids are the ability to d...

Silica-bonded S-sulfonic acid as a recyclable catalyst for the silylation of hydroxyl groups with hexamethyldisilazane (HMDS)

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

Canadian Journal of Chemistry Vol. 88, No. 2, 164–171

Silica-bonded S-sulfonic acid (SBSSA) was prepared by the reaction of 3-mercaptopropylsilica (MPS) and chlorosulfonic acid in tert-butylmethyl ether, and used as a catalyst for the silylation of hydroxyl groups. A good range of primary, sec…

HIO3/KI: A new combination reagent for iodination of aromatic amines and trimethylsilylation of alcohols and phenols through in situ generation of iodine under mild conditions

Mohammad Ali Zolfigol, Ardeshir Khazaei, Eskandar Kolvari, Nadiya Koukabi, Hamid Soltani, Maryam Behjunia, Vahid Khakyzadeh

ARKIVOC Vol. 2009, No. 13, 200–210

A combination of iodic acid and potassium iodide has been used for trimethylsilylation of alcohols and phenols in the presence of HMDS and iodination of aromatic amines.The reactions occur very rapidly to provide the products in good to hig…

Protection of hydroxy groups as trimethylsilyl ethers using 1,1,1,3,3,3-hexamethyldisilazane (HMDS) catalyzed by poly(4-vinylpyridinium tribromide)

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Maryam Hajjami, Khorshid Darvishi, Laleh Gholamnia

Collection of Czechoslovak Chemical Communications Vol. 75, No. 5, 607–615

A very efficient procedure for the protection of alcohols and phenols is presented. The mixture of 1,1,1,3,3,3-hexamethyldisilazane (HMDS) and catalytic amounts of poly(4-vinylpyridinium tribromide) was found to be effective for the trimeth…

Metal-free catalytic oxidation of sulfides to sulfoxides with ammonium nitrate, ammonium hydrogen sulfate and ammonium bromide as catalyst

Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Roya Ayazi‐Nasrabadi

Journal of the Brazilian Chemical Society Vol. 21, No. 1, 33–36

A general and metal-free catalytic oxidation of aliphatic and aromatic sulfides to their corresponding sulfoxides via combination of ammonium nitrate (NH4NO3), supported ammonium hydrogen sulfate on silica gel (NH4HSO4-SiO2) and a catalytic…