Search Results - "Keshavarz, Mosadegh"

Non-covalent immobilized sultone based protic ionic liquids on nano silica sulfuric acid as novel heterogeneous catalysts for the efficient synthesis of tetrazolopyrimidines by Taib, Layla A., Keshavarz, Mosadegh

“…In this research work, a novel strategy for the heterogenization of sultone based acidic ionic liquids via their non-covalent immobilization on nano silica…”
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Introduction of novel brønsted acidic ionic liquids with perchlorate counter-anion for one-pot synthesis of symmetric 3,3′-diaryloxindoles by Taib, Layla A., Keshavarz, Mosadegh

“…In this work, three novel 1,4-butane sultone-based Brønsted acidic ionic liquids with Perchlorate conter-anion are prepared. These newly introduced ionic…”
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Acidic ionic liquids immobilized on nano silica sulfuric acid for highly effective catalytic synthesis of 4H-pyrano[2,3-c]pyrazole and dihydropyrano[c]chromene derivatives by Iravani, Nasir, Keshavarz, Mosadegh, Taib, Layla A.

“…We report a simple, clean, and straightforward method for the non-covalent immobilization of protic acidic ionic liquids on nano silica sulfuric acid…”
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Ion-Pair Anchored Protic Ionic Liquids on Magnetic Nano Silica Sulfuric Acid as Efficient Catalysts for Organic Synthesis by Keshavarz, Mosadegh, Taib, Layla A., Iravani, Nasir

“…The synthesis of pyrazolo[ b ]phthalazine diones and indazolo[ b ]phthalazine triones was efficiently achieved using novel magnetically recoverable supported…”
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A novel, ecofriendly 1H-1,2,4-triazole-3-thiol-functionalized Fe3O4@SiO2 magnetic nano-catalyst for the synthesis of 2H-indazolo[2,1-b] phthalazine-trione and triazolo[1,2-a]indazole-trione derivatives by Cheraghi, Mehrdad, Karami, Bahador, Farahi, Mahnaz, Keshavarz, Mosadegh

“…The synthesis of 2 H -indazolo[2,1- b ] phthalazine-triones and triazolo[1,2- a ]indazole-triones catalyzed by 1 H -1,2,4-triazole-3-thiol-functionalized…”
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Non-Covalent Supported of l-Proline on Graphene Oxide/Fe₃O₄ Nanocomposite: A Novel, Highly Efficient and Superparamagnetically Separable Catalyst for the Synthesis of Bis-Pyrazole Derivatives by Keshavarz, Mosadegh, Zarei Ahmady, Amanollah, Vaccaro, Luigi, Kardani, Maryam

“…A superparamagnetic graphene oxide/Fe₃O₄/l-proline nano hybrid that was obtained from the non-covalent immobilization of l-proline on graphene oxide/Fe₃O₄…”
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Click approach to the novel 1,2,3-triazolium phosphotungstate organic–inorganic hybrids for the highly promoted synthesis of spirooxindoles by Taib, Layla A., Keshavarz, Mosadegh, Parhami, Abolfath

“…The synthesis and catalytic activity of three 1,2,3-triazole-based ionic organic–inorganic hybrids as novel water-soluble catalysts for the efficient…”
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One-Pot Green Regioselesctive Synthesis of γ-Lactones from Epoxides and Ketene Silyl Acetals Using 1,3-Dimethylimidazolium Fluoride as a Recoverable Metal-Free Catalyst by Keshavarz, Mosadegh, Zarei Ahmady, Amanollah, Mostoufi, Azar, Mohtasham, Neda

“…In a straightforward and fast protocol, a mixture of 1,3-dimethylimidazolium fluoride ([DMIM]F) and 1-butylimidazolium tetrafluoroborate ([Hbim]BF₄)…”
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Tin sulfide nanoparticles supported on activated carbon as an efficient and reusable Lewis acid catalyst for three-component one-pot synthesis of 4H-pyrano[2,3-c]pyrazole derivatives by Iravani, Nasir, Keshavarz, Mosadegh, Shojaeian Kish, Hossein Ali, Parandvar, Rasool

“…Tin sulfide nanoparticles（SnS -NPs） were prepared in aqueous solution at room temperature on the surface of activated carbon（AC） and were investigated using…”
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Copper iodide nanoparticles on poly(4-vinyl pyridine) as new and green catalyst for multicomponent click synthesis of 1,4-disubstituted-1,2,3-triazoles in water by Albadi, Jalal, Keshavarz, Mosadegh, Abedini, Masoumeh, Vafaie-nezhad, Masoumeh

“…Poly(4-vinyl pyridine) supported nanoparticle of copper(I) iodide is reported as a green and recyclable catalyst for the regioselective synthesis of…”
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Imidazol-1-yl-acetic acid as a novel green bifunctional organocatalyst for the synthesis of 1,8-dioxooctahydroxanthenes under solvent-free conditions by Nazari, Simin, Keshavarz, Mosadegh, Karami, Bahador, Iravani, Nasir, Vafaee-Nezhad, Masoumeh

“…Imidazol-1-yl-acetic acid is introduced as a new, efficient and recyclable green bifunctional organocatalyst for the synthesis of 1,8-dioxooctahydroxanthenes…”
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Ion-pair immobilization of l-prolinate anion onto cationic polymer support and a study of its catalytic activity for one-pot synthesis of spiroindolones by Keshavarz, Mosadegh

“…A novel clean and simple technique for the heterogenization of l -proline organocatalyst has been introduced. This procedure is based on non-covalent…”
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A fascinating click strategy to novel 1,2,3-triazolium based organic-inorganic hybrids for highly accelerated preparation of tetrazolopyrimidines by Taib, Layla A., Keshavarz, Mosadegh

“…Novel organic-inorganic Brønsted acidic ionic solids based on click prepared 1,2,3-triazolium sulfonate zwitterions are introduced as new catalysts for the…”
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Novel SO3H-functionalized polyoxometalate-based ionic liquids as highly efficient catalysts for esterification reaction by Keshavarz, Mosadegh, Iravani, Nasir, Parhami, Abolfath

“…Three novel heteropolyanion-based Brønsted acidic ionic liquids (BAILs), butane mono sulfoacid-functionalized 1,10-phenanthrolinum, butane mono and bis…”
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Design and Characterization of l-Prolinate-Amberlite as a Novel Heterogeneous Organocatalyst and Its Catalytic Application in the Synthesis of Pyrazol-Derivates by Keshavarz, Mosadegh, Vafaei-Nezhad, Masoumeh

“…The [Amb] l -prolinate obtained from the immobilization of l -prolinate anion onto amberlite IRA900OH, was used as a new organocatalyst for the efficient…”
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Novel piperaziniumpolyoxometalate-based acidic ionic liquids as highly efficient catalysts for the selective oxidation of alcohols by Shahabi, Maryam, Tabatabaee, Masoumeh, Keshavarz, Mosadegh

“…Two novel heteropolyanion-based Brønsted Acidic Ionic Liquids (BAILs), butane mono and bis sulfoacid-functionalized 1,4-dimethylpiperazinium salts of…”
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Novel sultone based Brønsted acidic ionic liquids with perchlorate counter-anion for one-pot synthesis of 2H‑indazolo[2,1‑b]phthalazine‑triones by Arian, Fatemeh, Keshavarz, Mosadegh, Sanaeishoar, Haleh, Hasanzadeh, Neda

“…•Synthesis of novel Brønsted acidic ionic liquids with perchlorate counter-anion is reported.•Several techniques were used for the characterization of the…”
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Polymer-Supported Azide and Copper(I): Green Reusable Reagent and Catalyst for Click Cyclization by Albadi, Jalal, Keshavarz, Mosadegh

“…In this work, polymer-supported copper(I) iodide catalyst and macroporous polymer-supported azide reagent were used to simplify the synthesis of…”
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Solvent-free synthesis of 4-substituted coumarins catalyzed by novel brønsted acidic ionic liquids with perchlorate anion: a convenient and practical complementary method for pechmann condensation by Taib, Layla Ahmed, Keshavarz, Mosadegh, Parhami, Abolfath

“…Herein, three novel sulfonic-functionalized Brønsted acidic ionic liquids containing perchlorate anion counterparts were prepared and well characterized using…”
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Novel SO3H-functionalized phenanthrolinum-phosphotungstate ionic liquid for highly promoted three-component synthesis of 2H-indazolo[2,1-b]phthalazine-triones by Iravani, Nasir, Keshavarz, Mosadegh, Parhami, Abolfath

“…A novel heteropolyanion-based Brønsted acidic ionic liquid material [PhBS] 3 PW 12 O 40 , butane mono-sulfoacid-functionalized phenanthrolinum salt of…”
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