کتابخانه جامع آثار علمی

Silica sulfuric acid/NaNO2 as a novel heterogeneous system for production of thionitrites and disulfides under mild conditions

Mohammad Ali Zolfigol

Tetrahedron Vol. 57, No. 46, 9509–9511

ZrCl 4 /wet SiO 2 Promoted Oxidation of Alcohols by (NH 4 ) 2 [Cr 2 O 7 ] in Solution and Solvent Free Condition

Farhad Shirini, Mohammad Ali Zolfigol, Akram Pourhabib

Journal of Chemical Research Vol. 2001, No. 11, 476–477

Ammonium dichromate in the presence of ZrCl 4 and wet SiO 2 was used as an effective oxidising agent for the oxidation of benzylic and secondary aliphatic alcohols in solution and solvent free condition.

Oxidation of Benzyl Alcohols under Mild Heterogeneous Conditions

Farhad Shirini, Mohammad Ali Zolfigol, M. R. Azadbar

Russian Journal of Organic Chemistry Vol. 37, No. 11, 1600–1602

ChemInform Abstract: Oxidation of Urazoles under Mild and Heterogeneous Conditions with KHSO5 and NaNO2.

Mohammad Ali Zolfigol, Mojtaba Bagherzadeh, Gholamabbas Chehardoli, Shadpour E Mallakpour

ChemInform Vol. 32, No. 43

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: N‐Nitrosation of Secondary Amines under Mild and Heterogeneous Conditions

Mohammad Ali Zolfigol, Mojtaba Bagherzadeh, Arash Ghorbani Choghamarani, Hassan Keypour, Sadegh Salehzadeh

ChemInform Vol. 32, No. 43

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: N‐Nitrosation of Secondary Amines with [NO+×Crown×H (NO3)2‐].

Mohammad Ali Zolfigol, Mohammad Hassan Zebarjadian, Gholamabbas Chehardoli, Hassan Keypour, Sadegh Salehzadeh, Mojtaba Shamsipur

ChemInform Vol. 32, No. 38

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: One‐Pot Nitration of Phenols under Mild and Heterogeneous Conditions.

Mohammad Ali Zolfigol, Mojtaba Bagherzadeh, Elaheh Madrakian, Ezat Ghaemi, Abolfazl Taqian‐Nasab

ChemInform Vol. 32, No. 38

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…

Silica chloride/NaNO2 as a novel heterogeneous system for the oxidation of urazoles under mild conditions

Mohammad Ali Zolfigol, Mehdi Torabi, Shadpour E Mallakpour

Tetrahedron Vol. 57, No. 39, 8381–8384

Efficient Oxidation of Sulfides to Sulfoxides and of Thiols to Disulfides with Aqueous HIO3

Farhad Shirini, Mohammad Ali Zolfigol, Moslem Mansour Lakouraj, M. R. Azadbar

Russian Journal of Organic Chemistry Vol. 37, No. 9, 1340–1341

Oxidation of urazoles via in situ generation of Cl + by using N,N,2,3,4,5,6-heptachloroaniline or a UHP/MCl n system under mild conditions

Mohammad Ali Zolfigol, Mojtaba Bagherzadeh, Gholamabbass Chehardoli, Shadpour Mallakpour, Manochehr Mamaghani

Journal of Chemical Research Vol. 2001, No. 9, 390–393

A combination of inorganic hydrolysable chloride salts and UHP (hydrogen peroxide–urea complex) in the presence of wet SiO 2 was used as an effective oxidising agent for the oxidation of urazoles and bis-urazoles to their corresponding tria…

ChemInform Abstract: Chemoselective Oxidation of 1,4‐Dihydropyridines with [NO+.crown.H(NO3)2‐].

Mohammad Ali Zolfigol, Mohammad Hassan Zebarjadian, Majid M. Sadegh, Iraj Mohammadpoor‐Baltork, Hamid Reza Memarian, Mojtaba Shamsipur

ChemInform Vol. 32, No. 35

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…

An Efficient and Chemoselective Method for Oximination of β-Diketones Under Mild and Heterogeneous Conditions

Mohammad Ali Zolfigol

Molecules Vol. 6, No. 8, 694–698

A combination of oxalic acid dihydrate and sodium nitrite in the presence of wet SiO2 was used as an effective nitrosating agent for the nitrosation of β-diketones to their corresponding α-oximinoketones in moderate to excellent yields unde…

ChemInform Abstract: Chemoselective N‐Nitrosation of Secondary Amines under Mild and Heterogeneous Conditions.

Mohammad Ali Zolfigol, Arash Ghorbani Choghamarani, Farhad Shirini, Hassan Keypour, Sadegh Salehzadeh

ChemInform Vol. 32, 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…

Nitration Of Phenols Under Mild And Heterogeneous Conditions

Mohammad Ali Zolfigol, Ezat Ghaemi, Elaheh Madrakian

Molecules Vol. 6, No. 7, 614–620

Nitrophenols can be obtained in moderate to high yields using a combination of Mg(HSO4)2 or NaHSO4.H2O, NaNO3 and wet SiO2 in dichloromethane at room temperature.

N-Nitrosation of Secondary Amines with [NO+·Crown·H(NO3)2-]

Mohammad Ali Zolfigol, Mohammad Hassan Zebarjadian, Gholamabbas Chehardoli, Hassan Keypour, Sadegh Salehzadeh, Mojtaba Shamsipur

The Journal of Organic Chemistry Vol. 66, No. 10, 3619–3620

ADVERTISEMENT RETURN TO ISSUEPREVNoteNEXTN-Nitrosation of Secondary Amines with [NO+·Crown·H(NO3)2-]Mohammad Ali Zolfigol, Mohammad Hassan Zebarjadian, Gholamabbas Chehardoli, Hassan Keypour, Sadegh Salehzadeh, and Mojtaba ShamsipurView Aut…

One-pot Nitration of Phenols under Mild and Heterogeneous Conditions

Mohammad Ali Zolfigol, Mojtaba Bagherzadeh, Elaheh Madrakian, Ezat Ghaemi, Abolfazl Taqian‐Nasab

Journal of Chemical Research Vol. 2001, No. 4, 140–142

Nitrophenols can be obtained via nitrosation–oxidation of phenols with Oxone®, NaNO 2 and wet SiO 2 at room temperature in moderate to high yields. In situ generation of HNO 2 and the radical cation mechanism via the nitrous acid catalysed …

ChemInform Abstract: Chemoselective N‐Nitrosation of Secondary Amines under Mild and Heterogeneous Conditions via in situ Generation of NOCl.

Mohammad Ali Zolfigol, Farhad Shirini, Arash Ghorbani Choghamarani, Abolfazl Taqian‐Nasab, Hassan Keypour, Sadegh Salehzadeh

ChemInform Vol. 32, No. 8

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…

An efficient method for the oxidation of urazoles with [NO+·crown·H(NO3)2−]

Mohammad Ali Zolfigol, Mohammad Hassan Zebarjadian, Gholamabbas Chehardoli, Shadpour Mallakpour, Mojtaba Shamsipur

Tetrahedron Vol. 57, No. 8, 1627–1629

ChemInform Abstract: Oxidation of Urazoles to Their Corresponding Triazolinediones under Mild and Heterogeneous Conditions

Mohammad Ali Zolfigol, Shadpour Mallakpour, Elaheh Madrakian, Ezat Ghaemi

ChemInform Vol. 32, No. 3

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: Aromatization of 1,4‐Dihydropyridines under Mild and Heterogeneous Conditions.

Mohammad Ali Zolfigol, Maryam Kiany‐Borazjani, Majid M. Sadeghi, Iraj Mohammadpoor‐Baltork, Hamid Reza Memarian

ChemInform Vol. 32, No. 3

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…

CHEMOSELECTIVE OXIDATION OF 1,4-DIHYDROPYRIDINES WITH [NO + .CROWN.H(NO 3 ) 2 − ]

Mohammad Ali Zolfigol, Mohammad Hassan Zebarjadian, Majid M. Sadegh, Iraj Mohammadpoor‐Baltork, Hamid Reza Memarian, Mojtaba Shamsipur

Synthetic Communications Vol. 31, No. 6, 929–934

An ionic complex has been obtained from N2O4 in the presence of the macrocyclic ether 18-crown-6. This crystalline compound was used as an effective oxidizing agent for the oxidation of dihydropyridines to their corresponding pyridine deriv…

OXIDATION OF 1,2-DIHYDROQUINOLINES UNDER MILD AND HETEROGENEOUS CONDITIONS

Jafar Asgarian Damavandi, Mohammad Ali Zolfigol, Bahador Karami

Synthetic Communications Vol. 31, No. 20, 3183–3187

A combination of NaHSO4.H2O and Na2Cr2O7.2H2O in the presence of wet SiO2 were used as an effective oxidizing agent for the oxidation of 1,2-dihydroquinolines to their corresponding quinoline derivatives in dichloromethane at room temperatu…

OXIDATION OF URAZOLES UNDER MILD AND HETEROGENEOUS CONDITIONS WITH KHSO5 AND NaNO2

Mohammad Ali Zolfigol, Mojtaba Bagherzadeh, Gholamabbas Chehardoli, Shadpour Mallakpour

Synthetic Communications Vol. 31, No. 8, 1149–1154

A combination of potassium monopersulfate and sodium nitrite in the presence of wet SiO2 was used as an effective oxidizing agent for the oxidation of urazoles and bis-urazoles to their corresponding triazolinediones under mild and heteroge…

FACILE CONVERSION OF ALCOHOLS INTO N-SUBSTITUTED AMIDES BY MAGNESIUM HYDROGENSULFATE UNDER HETEROGENEOUS CONDITIONS

Peyman Salehi, Mohammad Mehdi Khodaei, Mohammad Ali Zolfigol, Afsaneh Keyvan

Synthetic Communications Vol. 31, No. 13, 1947–1951

Different classes of alcohols react efficiently with nitriles in the presence of magnesium hydrogensulfate, Mg(HSO4)2, to produce amides in high yields.