کتابخانه جامع آثار علمی

Mild and Efficient Deprotection of 1,3-Dithianes withN,N′- Diiodo-N,N′-1,2-Ethanediyl-Bis(p-Toluenesulphonamide)

Ramin Ghorbani‐Vaghei, Mohammad Ali Zolfigol

Journal of the Chinese Chemical Society Vol. 52, No. 2, 327–330

Aliphatic and aromatic 1,3-dithiane are oxidized to the corresponding carbonyl compounds in good yields under mild conditions by N,N′-diiodo-N,N′-1,2-ethanediyl-bis(p-toluenesulphonamide) [NIBTS] and silver nitrate.

Alumina Supported Potassium Permanganate: An Efficient Reagent for Chemoselective Dehydrogenation of 2‐Imidazolines under Mild Conditions.

Mohammad Abdollahi‐Alibeik, Iraj Mohammadpoor‐Baltork, Mohammad Ali Zolfigol

ChemInform Vol. 36, No. 16

Abstract For Abstract see ChemInform Abstract in Full Text.

Chemoselective Solvent‐Free Deoximation by (NH4)2Cr2O7 in the Presence of ZrCl4 on Wet SiO2.

Farhad Shirini, Mohammad Ali Zolfigol, Akram Pourhabib

ChemInform Vol. 36, No. 14

Abstract For Abstract see ChemInform Abstract in Full Text.

An Efficient Procedure for the Preparation of Mono, and Di‐Bis‐indolyl Methanes Catalyzed by Molybdatophosphoric Acid.

Mohammad Ali Zolfigol, Peyman Salehi, Morteza Shiri

ChemInform Vol. 36, No. 13

The Use of Nafion‐H® as an Efficient Catalyst for the Deprotection of Trimethylsilyl Ethers to Their Corresponding Alcohols under Mild and Heterogeneous Conditions.

Mohammad Ali Zolfigol, Iraj Mohammadpoor‐Baltork, Davood Habibi, BiBi Fatemeh Mirjalili, Abdolhamid Bamoniri

ChemInform Vol. 36, No. 13

Silica Phosphoric Acid/NaNO2 as a Novel Heterogeneous System for the Coupling of Thiols to Their Corresponding Disulfides.

Mohammad Ali Zolfigol, Farhad Shirini, Khosrow Zamani, Efat Ghofrani, Satar Ebrahimi

ChemInform Vol. 36, No. 13

Abstract For Abstract see ChemInform Abstract in Full Text.

Nitration of Aromatic Compounds on Silica Sulfuric Acid.

Mohammad Ali Zolfigol, BiBi Fatemeh Mirjalili, Abdolhamid Bamoniri, Mohammad Ali Karimi Zarchi, Amin Zarei, Leila Khazdooz, Jalil Noei

ChemInform Vol. 36, No. 9

Abstract For Abstract see ChemInform Abstract in Full Text.

Novel and Chemoselective Dehydrogenation of 2‐Substituted Imidazolines with Potassium Permanganate Supported on Silica Gel.

Iraj Mohammadpoor‐Baltork, Mohammad Ali Zolfigol, Mohammad Abdollahi‐Alibeik

ChemInform Vol. 36, No. 8

Abstract For Abstract see ChemInform Abstract in Full Text.

Calcium Hypochlorite as an Efficient Reagent for Oxidation of Urazoles under Mild Heterogeneous Conditions.

Mohammad Ali Zolfigol, Sh. Mallakpour, A. Khazaiae, R. G. Vaghaie, Mehdi Torabi

ChemInform Vol. 36, No. 8

Abstract For Abstract see ChemInform Abstract in Full Text.

The Application of N,N′‐Dibromo‐N,N′‐1,2‐ethanediyl Bis(p‐toluenesulfonamide) as a Powerful Reagent for Conversion of Carboxylic Acids into Esters and Amides with Triphenylphosphine.

Ardeshir Khazaei, Shadpour Mallakpour, Mohammad Ali Zolfigol, Ramin Ghorbani‐Vaghei, Eskandar Kolvari

ChemInform Vol. 36, No. 7

Efficient and Selective Oxidation of Thiols to Disulfides by 1,4‐Diazabicyclo[2.2.2]octane‐di‐N‐oxide‐diperhydrate under Neutral and Heterogeneous Conditions.

Peyman Salehi, Mohammad Ali Zolfigol, Leila Bazaz Tolami

ChemInform Vol. 36, No. 4

Silica chromate as an oxidising agent for the chemoselective oxidation of alcohols and the oxidative deprotection of trimethylsilyl ethers

Mohammad Ali Zolfigol, Farhad Shirini, Iraj Mohammadpoor‐Baltork, Arash Gh. Choghamarani, Maryam Hajjami, Abdol M. Sedaghat

Mendeleev Communications Vol. 15, No. 3, 113–116

Silica chromate easily converts primary and secondary alcohols to corresponding carbonyl compounds in the presence of wet SiO2 both in dichloromethane and under solvent-free conditions at room temperature with good to excellent yields. Prim…

Ca(OCl)2 as an Efficient Oxidizing Agent for the Oxidation of Urazoles under Mild and Heterogeneous Conditions.

Mohammad Ali Zolfigol, Shadpour Mallakpour, A. Khazaiae, R. G. Vaghaie, Mehdi Torabi

ChemInform Vol. 36, No. 3

An Efficient Procedure for Deprotection of Acetals under Mild and Heterogeneous Conditions.

BiBi Fatemeh Mirjalili, Mohammad Ali Zolfigol, Abdolhamid Bamoniri, Azizeh Hazar

ChemInform Vol. 36, No. 2

Abstract For Abstract see ChemInform Abstract in Full Text.

Silica‐Supported 1,3‐Dibromo‐5,5‐dimethylhydantoin (DBH) as a Useful Reagent for Microwave‐Assisted Aromatization of 1,3,5‐Trisubstituted Pyrazolines under Solvent‐Free Conditions.

Davood Azarifar, Mohammad Ali Zolfigol, Behrooz Maleki

ChemInform Vol. 36, No. 1

Abstract For Abstract see ChemInform Abstract in Full Text.

An Efficient Procedure for Acetalization of Carbonyl Compounds with P2O5/SiO2.

BiBi Fatemeh Mirjalili, Mohammad Ali Zolfigol, Abdolhamid Bamoniri, Mohammad Ali Amrollahi, Azizeh Hazar

ChemInform Vol. 35, No. 51

Abstract For Abstract see ChemInform Abstract in Full Text.

Alumina supported potassium permanganate: an efficient reagent for chemoselective dehydrogenation of 2-imidazolines under mild conditions

Mohammad Abdollahi‐Alibeik, Iraj Mohammadpoor‐Baltork, Mohammad Ali Zolfigol

Bioorganic & Medicinal Chemistry Letters Vol. 14, No. 24, 6079–6082

Novel, Mild and Chemoselective Dehydrogenation of 2-Imidazolines with Trichloroisocyanuric Acid

Iraj Mohammadpoor‐Baltork, Mohammad Ali Zolfigol, Mohammad Abdollahi‐Alibeik

Synlett Vol. 2004, No. 15, 2803–2805

A rapid, mild and high-yielding method for dehydrogenation of a variety of structurally diverse 2-imidazolines to imidazoles using trichloroisocyanuric acid (TCCA) in the presence of DBU is reported. Chemoselective oxidation of 2-imidazolin…

AN EFFICIENT PRO CEDURE FOR THE PREPARATION OF MONO, AND DI-BIS-INDOLYL METHANES CATALYZED BY MOLIBDATOPHOSPHORIC ACID

Mohammad Ali Zolfigol, Peyman Salehi, Morteza Shiri

Phosphorus, sulfur, and silicon and the related elements Vol. 179, No. 11, 2273–2277

H 3 PMo 12 O 40 · xH 2 O was found to be an effective catalyst for the preparation of bis-indolyl derivatives from indole and aromatic, aliphatic, heterocyclic aldehydes or ketones in ethanol at room temperature.

SILICA PHOSPHORIC ACID/NaNO2AS A NOVEL HETEROGENEOUS SYSTEM FOR THE COUPLING OF THIOLS TO THEIR CORRESPONDING DISULFIDES

Mohammad Ali Zolfigol, Farhad Shirini, Khosrow Zamani, Efat Ghofrani, Satar Ebrahimi

Phosphorus, sulfur, and silicon and the related elements Vol. 179, No. 11, 2177–2182

Silica phosphoric acid was prepared via reaction of silica chloride (I) and phosphoric acid. Thiols can be readily converted to their corresponding thionitrites with a combination of silica phosphoric acid (II), wet SiO 2 , and sodium nitri…

THE USE OF NAFION-H® AS AN EFFICIENT CATALYST FOR THE DEPROTECTION OF TRIMETHYLSILYL ETHERS TO THEIR CORRESPONDING ALCOHOLS UNDER MILD AND HETEROGENEOUS CONDITIONS

Mohammad Ali Zolfigol, Iraj Mohammadpoor‐Baltork, Davood Habibi, BiBi Fatemeh Mirjalili, Abdolhamid Bamoniri

Phosphorus, sulfur, and silicon and the related elements Vol. 179, No. 11, 2189–2193

Trimethylsilyl ethers were converted to their corresponding alcohols in the presence Nafion-H® and wet SiO 2 with good-to-excellent yields under mild and heterogeneous conditions.

Novel and chemoselective dehydrogenation of 2-substituted imidazolines with potassium permanganate supported on silica gel

Iraj Mohammadpoor‐Baltork, Mohammad Ali Zolfigol, Mohammad Abdollahi‐Alibeik

Tetrahedron Letters Vol. 45, No. 47, 8687–8690

Acetalization of Carbonyl Compounds by Using Silica‐Bound Sulfuric Acid under Green Condition.

Bi Bi Fatemeh Mirjalili, Mohammad Ali Zolfigol, Abdolhamid Bamoniri, Azizeh Hazar

ChemInform Vol. 35, No. 44

Abstract For Abstract see ChemInform Abstract in Full Text.

Silica sulfuric acid as an efficient and reusable reagent for crossed-aldol condensation of ketones with aromatic aldehydes under solvent-free conditions

Peyman Salehi, Minoo Dabiri, Mohammad Ali Zolfigol, Mohammad Ali Bodaghi Fard

Journal of the Brazilian Chemical Society Vol. 15, No. 5, 773–776

Aromatic aldehydes undergo crossed-aldol condensation with ketones in the presence of silica sulfuric acid under solvent-free conditions to afford the corresponding a, b -unsaturated aldol products in excellent yields. The reagent is reusab…