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  1. No Access

    Article

    Synthesis of 1,1-diacetates catalysed by silica-supported boron sulfonic acid under solvent-free conditions and ambient temperature

    1,1-Diacetates derivatives were prepared using the direct condensation of aldehydes with acetic anhydride in the presence of silica-supported boron sulfonic acid (SiO2/B(SO4H)3) as a tri-functional inorganic Brøn...

    Sami Sajjadifar, Sobhan Rezayati in Chemical Papers (2014)

  2. No Access

    Article

    Ni2+ supported on hydroxyapatite-core-shell γ-Fe2O3 nanoparticles: a novel, highly efficient and reusable lewis acid catalyst for the regioselective azidolysis of epoxides in water

    In this research, Ni2+ supported on hydroxyapatite-core-shell magnetic γ-Fe2O3 nanoparticles (γ-Fe2O3@HAp-Ni2+) as a novel, efficient, reusable and heterogeneous catalyst was reported. In this protocol, we used t...

    Sami Sajjadifar, Zahra Abbasi… in Journal of the Iranian Chemical Society (2014)

  3. No Access

    Article

    One-pot and solvent-free synthesis of aliphatic and aromatic 1H-indazolo[2,1-b]phthalazinetriones catalyzed by boron sulfonic acid

    An efficient and simple method for the synthesis of aliphatic and aromatic 1H-indazolo[2,1-b]phthalazinetrione derivatives through a one-pot three-component condensation of phthalhydrazide, aldehyde, and dimedone...

    Mehdi Soheilizad, Mehdi Adib, Sami Sajjadifar in Monatshefte für Chemie - Chemical Monthly (2014)

  4. No Access

    Article

    Thermokinetic study of Fischer–Tropsch synthesis on Fe2Cu1 and FeCu surfaces with comparison to Fe(110) and Cu(111) catalysts by the UBI-QEP method

    The purpose of this study is to predict the activation barriers and enthalpy for elementary steps in the process of Fischer–Tropsch (F-T) on the surfaces of Fe(110), Cu(111) and Fe/Cu alloys catalyst using “Un...

    Nabi Javadi, Sami Sajjadifar in Journal of the Iranian Chemical Society (2014)

  5. No Access

    Article

    N-Propylsulfamic acid supported onto magnetic Fe3O4 nanoparticles (MNPs-PSA) as a green and reusable heterogeneous nanocatalyst for the chemoselective preparation and deprotection of acylals

    N-propylsulfamic acid supported onto magnetic Fe3O4 nanoparticles (MNPs-PSA) was simply synthesized and used as a highly efficient, environmentally friendly, and chemoselective catalys...

    Sami Sajjadifar, Parastoo Nasri in Research on Chemical Intermediates (2017)

  6. No Access

    Article

    Zn3(BTC)2 as a Metal–Organic Framework and Effective Catalyst for the Regioselective β-Azidoalcohols and β-Thiocyanohydrins of Epoxides in Water

    In this research, Zn3(BTC)2 as a novel, metal–organic framework, biodegradable, and reusable heterogeneous nanoporous catalyst according to the aims of green chemistry was synthesized and characterized by scannin...

    Sami Sajjadifar, Zeinab Arzehgar… in Journal of Inorganic and Organometallic Po… (2018)

  7. Article

    Open Access

    Preparation of a new, green and recyclable catalyst, silica-supported 1-(2-sulfooxy)ethyl)1H-pyridine-1-ium-chloride, and a solvent- and metal-free protocol for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthene derivatives

    A cost-effective and convenient procedure for the synthesis of silica-supported 1-(2-sulfooxy)ethyl)1H-pyridine-1-ium-chloride SiO2/[SEP]Cl as a recoverable heterogeneous and Brønsted acid catalyst is described, ...

    Sami Sajjadifar, Maryam Pornuroz in Applied Petrochemical Research (2018)

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  8. No Access

    Article

    Application of a novel nano-immobilization of ionic liquid on an MCM-41 system for trimethylsilylation of alcohols and phenols with hexamethyldisilazane

    3-[(3-(Trisilyloxy)propyl)chloride]-1-methylimidazolium tribromide ionic liquid supported on MCM-41 [nano-MCM-41@(CH2)3-1-methylimidazole]Br3 as a novel heterogeneous nano-catalyst was easily prepared and charact...

    Mohammad Ali Zolfigol, Sami Sajjadifar… in Research on Chemical Intermediates (2018)