A uniformly anchored zirconocene complex on magnetic reduced graphene oxide (rGO@Fe3O4/ZrCp2Clx(x= 0, 1, 2)) as a novel and reusable nanocatalyst for synthesis ofN-arylacetamides and reductive-acetylation of nitroarenes

Bayzidi, Massood; Zeynizadeh, Behzad

doi:10.1039/d2ra02293a

Cited by 3 publications

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“…For example, sulfonated reduced GO (rGO‐SO 3 H) was investigated for the preparation of 2‐amino‐3‐cyano‐7‐hydroxy‐4 H ‐chromene compounds in water [34, 35], and for the direct amidation of carboxylic acids with amines [36]. Immobilized zirconocene chloride on magnetite‐rGO showed high catalytic performance in N‐acetylation of arylamines [40], and rGO@Fe 3 O 4 @Ni was applied in MCR of dimedone with diverse aromatic aldehydes for the synthesis of xanthenedione derivatives [41]. Amino‐grafted GO showed super basicity and exhibited significant catalytic activity in typical homogeneous reactions [37].…”

Section: Introductionmentioning

confidence: 99%

Functionalized reduced graphene oxide as a useful and efficient base catalyst for the preparation of 4H‐pyran and pyran‐like tacrine compounds and their antibacterial activity

Mirza‐Aghayan

Mohammadi

Boukherroub

et al. 2022

Journal of Heterocyclic Chem

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An easy, effective and eco‐friendly one‐pot process for the preparation of 4H‐pyran compounds has been established by using a catalytic amount of reduced graphene oxide functionalized with diethylenetriamine (rGO‐DETA) in water under mild conditions. The functionalized catalyst was very effective for this one‐pot reaction and provided the desired products 1a–t with good to high yields (87%–97%) in short reaction times. Moreover, rGO‐DETA composite could be reused for four cycles without an obvious decrease in its performance. In the next step, two pyran derivatives 1f and 1h were used to synthesize the corresponding pyran‐like tacrine derivatives 3f and 3h via the reaction of cyclohexanone, aluminum trichloride in reflux of 1,2‐dichloroethane as solvent. Antibacterial activity of several of the prepared compounds was assessed against Gram‐positive and Gram‐negative bacteria by well and disk diffusion techniques. The 4H‐pyran 1g and 1s (2000 μg/ml) were effective against Micrococcus luteus as a Gram‐positive bacterium by recording a zone of inhibition of 15 and 16 mm, respectively. 4H‐pyran 1m showed moderate antibacterial behavior against both M. luteus and Serratia marcescens. Pyran‐like tacrine analog 3f (50 mg/ml) displayed antibacterial behavior towards Staphylococcus aureus as Gram‐positive and S. marcescens as Gram‐negative bacteria with zones of inhibition of 13 and 12 mm, respectively. 4H‐pyran 1j featured a minimum inhibitory concentration value of 39.06 μg/ml for M. luteus, which is the closest value to ampicillin.

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Section: Introductionmentioning

confidence: 99%

Functionalized reduced graphene oxide as a useful and efficient base catalyst for the preparation of 4H‐pyran and pyran‐like tacrine compounds and their antibacterial activity

Mirza‐Aghayan

Mohammadi

Boukherroub

et al. 2022

Journal of Heterocyclic Chem

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Ni^II-containing l-glutamic acid cross-linked chitosan anchored on Fe₃O₄/f-MWCNT: a sustainable catalyst for the green reduction and one-pot two-step reductive Schotten–Baumann-type acetylation of nitroarenes

Mousavi,

Zeynizadeh,

Hasanpour Galehban

2024

Nanoscale Adv.

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N-acetylation of Aromatic Amines by One-pot Route

Guo,

Fan,

Ablajan

2024

LOC

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In this study, a simple one-pot synthesis of acetamides from aromatic amines and acetonitrile in the presence of H2O and K2S2O8 is presented. The reaction proceeds in a mixed solvent (CH3CN: DMSO, 3:1) without using metals or toxic reagents. Various N-acetanilides are obtained with 53-91% yields. The method is selective for aromatic amines, with aliphatic amines remaining intact. This represents a new, efficient, and economical method for the synthesis of a range of acetamides. objective: We have to develope an economical, efficient, and metal-free strategy for synthesizing N-acetanilide by reacting aniline with CH3CN and DMSO. method: The amidation was performed in presence of H2O and K2S2O8 in a mixed solvent (CH3CN:DMSO). result: A series of amide compounds using K2S2O8 as the oxidant and amines as substrates in acetonitrile and water without any transition metals is reported. conclusion: The method uses simple, easily available materials in a straightforward protocol that allows the ease of isolating the products other: No other contents.

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A uniformly anchored zirconocene complex on magnetic reduced graphene oxide (rGO@Fe₃O₄/ZrCp₂Cl_{x(x= 0, 1, 2)}) as a novel and reusable nanocatalyst for synthesis ofN-arylacetamides and reductive-acetylation of nitroarenes

Abstract: In this study, a crafted zirconocene complex on rGO@Fe3O4 as a novel magnetic nanocatalyst was synthesized and then characterized using FT-IR, SEM, EDX, VSM, ICP-OES, TGA, BET and MS analyses.

Cited by 3 publications

References 103 publications

Functionalized reduced graphene oxide as a useful and efficient base catalyst for the preparation of 4H‐pyran and pyran‐like tacrine compounds and their antibacterial activity

Functionalized reduced graphene oxide as a useful and efficient base catalyst for the preparation of 4H‐pyran and pyran‐like tacrine compounds and their antibacterial activity

Ni^II-containing l-glutamic acid cross-linked chitosan anchored on Fe₃O₄/f-MWCNT: a sustainable catalyst for the green reduction and one-pot two-step reductive Schotten–Baumann-type acetylation of nitroarenes

N-acetylation of Aromatic Amines by One-pot Route

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A uniformly anchored zirconocene complex on magnetic reduced graphene oxide (rGO@Fe3O4/ZrCp2Clx(x= 0, 1, 2)) as a novel and reusable nanocatalyst for synthesis ofN-arylacetamides and reductive-acetylation of nitroarenes

Abstract: In this study, a crafted zirconocene complex on rGO@Fe3O4 as a novel magnetic nanocatalyst was synthesized and then characterized using FT-IR, SEM, EDX, VSM, ICP-OES, TGA, BET and MS analyses.

Cited by 3 publications

References 103 publications

Functionalized reduced graphene oxide as a useful and efficient base catalyst for the preparation of 4H‐pyran and pyran‐like tacrine compounds and their antibacterial activity

Functionalized reduced graphene oxide as a useful and efficient base catalyst for the preparation of 4H‐pyran and pyran‐like tacrine compounds and their antibacterial activity

NiII-containing l-glutamic acid cross-linked chitosan anchored on Fe3O4/f-MWCNT: a sustainable catalyst for the green reduction and one-pot two-step reductive Schotten–Baumann-type acetylation of nitroarenes

N-acetylation of Aromatic Amines by One-pot Route

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A uniformly anchored zirconocene complex on magnetic reduced graphene oxide (rGO@Fe₃O₄/ZrCp₂Cl_{x(x= 0, 1, 2)}) as a novel and reusable nanocatalyst for synthesis ofN-arylacetamides and reductive-acetylation of nitroarenes

Ni^II-containing l-glutamic acid cross-linked chitosan anchored on Fe₃O₄/f-MWCNT: a sustainable catalyst for the green reduction and one-pot two-step reductive Schotten–Baumann-type acetylation of nitroarenes