Suresh T. Gaikwad

Dr. Babasaheb Ambedkar Marathwada University

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Anjali S. Rajbhoj

Dr. Babasaheb Ambedkar Marathwada University

Sonali A. Korde

Dr. Babasaheb Ambedkar Marathwada University

Premkumar B. Thombre

Dr. Babasaheb Ambedkar Marathwada University

Sultan A. Al-horaibi

Dr. Babasaheb Ambedkar Marathwada University

Sudarshan S. Dipake

Dr. Babasaheb Ambedkar Marathwada University

Nitin R. Dighore

Dr. Babasaheb Ambedkar Marathwada University

Sunita Jadhav

Dr. Babasaheb Ambedkar Marathwada University

Jaiprakash N. Sangshetti

Government Medical College

Machhindra K. Lande

Dr. Babasaheb Ambedkar Marathwada University

Dhananjay N. Gaikwad

Dr. Babasaheb Ambedkar Marathwada University

Cooperative Institutions

Dr. Babasaheb Ambedkar Marathwada University

Dr. Vitthalrao Vikhe Patil Foundation’s Medical College

G.S. Science, Arts And Commerce College

Wockhardt (India)

Rajarshee Chhatrapati Shahu Maharaj Government Medical College and CPR Hospital Kolhapur

Albaydha University

King Abdulaziz University

National Yang Ming Chiao Tung University

Maria College

Government Medical College

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Synthesis and Characterization of Cobalt Oxide Nanoparticles by Electrochemical Reduction Method and Screening of Their Antimicrobial & Antioxidant Activities

Meena B. Lande Anjali S. Rajbhoj Suresh T. Gaikwad

Cobalt oxide

Characterization

10.2139/ssrn.4890057

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A Comprehensive Overview of Recent Trends in the Production of Nitrogen-Containing Heterocyclic Compounds Using Nanocatalysts

Letters in Organic Chemistry (2024)

Dhananjay N. Gaikwad Suresh T. Gaikwad Rajesh K. Manjul Anjali S. Rajbhoj Dayanand M. Suryavanshi

Abstract: Nanocatalysis is the newest invention in the area of synthetic chemistry that has changed the process of chemical transformation. The nanocatalysts have various benefits as compared to traditional catalysts, such as simple and economical methods of synthesis, high surface-to-volume ratio, large number of active sites, excellent selectivity, increased stability, rapid recovery, and recyclability. In recent years, nanomaterials have been extensively employed in the production of heterocyclic moieties. This study intends to emphasize the function of distinct nanocatalysts in the synthesis of various nitrogen-containing heterocyclic compounds. An update on the catalytic efficiency of different nanocatalysts, such as magnetic nanocatalysts, nanomixed metal oxides, core-shell nanocatalysts, nano-supported catalysts, and graphene-based nanocatalysts for the production of heterocycles has been provided in this article.

Nanomaterial-based catalyst

10.2174/0115701786307065240527172814

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Preparation, characterization and catalytic application of Zn‐based metal–organic framework catalyst for synthesis of 3,3‐(arylmethylene)bis‐1H‐indole derivatives

Journal of Chemical Technology & Biotechnology (2022)

Vaishali N. Rathod Ganesh T. Pawar Suresh T. Gaikwad Machhindra K. Lande

Abstract BACKGROUND A mesoporous zinc‐based pyridine‐2,5‐dicarboxylate metal–organic framework (Zn‐based MOF) catalyst was prepared by a solvothermal method. The catalytic potency of Zn‐based MOF for the one‐pot synthesis of 3,3‐(arylmethylene)bis‐1 H ‐indole derivatives was investigated. RESULTS Various analytical techniques were used to characterize the physicochemical structure of Zn‐based MOF catalyst, including powder X‐ray diffraction, thermogravimetric analysis, scanning electron microscopy–energy‐dispersive X‐ray analysis, Fourier transform infrared spectroscopy and Brunauer–Emmett–Teller surface area analysis. Zn‐based MOF was then employed as a catalyst for the catalytic one‐pot transfer synthesis of 3,3‐(arylmethylene)bis‐1 H ‐indole derivatives. Optimizations of Zn‐based MOF catalyst in terms of effect of solvent and reaction time were investigated. CONCLUSIONS Zn‐based MOF catalyst was synthesized by solvothermal treatment, characterized and used as a Lewis acid catalyst for the synthesis of biologically active 3,3′‐(arymethylene)bis‐1 H ‐indole derivatives. The catalyst offers notable benefits such as reusability of catalytic character, easy separation, nontoxicity, large pore size and providing excellent yield of 3,3′‐phenylmethylene‐1 H ‐indole derivatives. Zn‐based MOF was confirmed as containing tetragonal phase with large pore diameter, morphology looking like a spherical core and exhibiting no significance loss of catalytic performance when used in organic synthesis for three to four reaction runs. Thereby Zn‐based MOF was evidenced as showing excellent catalytic activity. © 2022 Society of Chemical Industry (SCI).

Thermogravimetric analysis

Synergistic catalysis

10.1002/jctb.7071

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Study of mixed ligand complexes of copper (II) with enalpril maleate asprimary ligand and some peptides as secondary ligand

Der Chemica Sinica (2012)

Suresh T. Gaikwad Anjali S. Rajbhoj Balasaheb R. Arbad

Interaction of mixed ligand complexes of copper(II) with enalpril maleate and four peptides viz. glycil-glycine, alanine-glycine, glycil-glycil-glycine and glycil-leucine have been determined by pH metric measurements in aqueous solutions at 27°C in 0.1M NaClO4. The mixed ligand complex formation constants of complex species have been evaluated using computer program (SCOGS).

Alanine

Source

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Copper Oxide Nanoparticles: Synthesis, Characterization and Their Antibacterial Activity

Journal of Cluster Science (2011)

Sunita Jadhav Suresh T. Gaikwad Madhav Nimse Anjali S. Rajbhoj

Ammonium bromide

10.1007/s10876-011-0349-7

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Polypyrrole-Pd nanocomposites modified gold electrode for electrochemical detection of ascorbic acid

Advanced Materials Letters (2017)

Nitin R. Dighore Suresh T. Gaikwad Anjali S. Rajbhoj

The fabrication of an electrochemical sensor based on polypyrrole-Pd nanocomposites modified gold electrode (PPy-Pd-AuE) and its electrodetection of ascorbic acid is described. The PPy-Pd nanocomposites were synthesized by chemical method and characterized by different techniques. The Pd nanoparticles incorporated with PPy were confirmed by x-ray diffraction, scanning electron microscope, elemental dispersive spectroscopy and transmission electron microscopy analysis. The electrochemical behavior of polypyrrole-Pd nanocomposites towards the electro catalytic oxidation of ascorbic acid was investigated by cyclic voltammetry, differential pulse voltammetry and square wave voltammetry. The observed cyclic voltammetry, differential pulse voltammetry and square wave voltammetry response depended linearly on concentration of ascorbic acid in the range of 100-1000 mM with correlation coefficients of R 2 =0.977, R 2 =0.980, R 2 = 0.990 and sensitivity 7.96 mA/mM.cm 2 , 0.70 mA/mM.cm 2 and 2.10 mA/mM.cm 2 respectively. The reproducibility of PPy-Pd-AuE electrode from CV, DPV and SWV were found to be 3.9%, 4.69% and 2.98 % respectively. These results indicate the PPy-Pd-AuE exhibited excellent platform and could be used for electrochemical determination of ascorbic acid.

Polypyrrole

Differential pulse voltammetry

10.5185/amlett.2017.6987

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Symmetrical and unsymmetrical squaraine sensitizers for dye-sensitized solar cells: Present day advances and future challenges

Advanced Materials Proceedings (2018)

Sultan A. Al-horaibi Suresh T. Gaikwad Anjali S. Rajbhoj

The requirement for energy is ever increasing in the past few years due to the need for the innovation of clean energy and eco-friendly technologies. Symmetric and asymmetric SQ-dyes have received increasing attention and great potential for use as SQ-sensitizers for application in dye sensitized solar cells (DSSC).This review article gives a synopsis of the advancements on SQ-sensitizers in the domain of DSSC and the chance used to enhance their overall energy conversion efficiency. Specifically, the primary factors in charge of the low values of open-circuit voltage (Voc) short-circuit photocurrent (Jsc) and fill factor (FF) are debated in detail. Future orientations in research and expanded absorptions of near-infrared region (NIR) by development organic substances and their applications are suggested from a personal point of view. Copyright © 2018 VBRI Press.

Photocurrent

Open-circuit voltage

10.5185/amp.2018/826

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Symmetrical and unsymmetrical squaraine sensitizers for dye-sensitized solar cells: present day advances and future challenges

Advanced Materials Letters (2018)

Sultan A. Al-horaibi Suresh T. Gaikwad Anjali S. Rajbhoj

The requirement for energy is ever increasing in the past few years due to the need for the innovation of clean energy and eco-friendly technologies. Symmetric and asymmetric squaraine dyes have received increasing attention and great potential for use as squaraine sensitizers for application in dye-sensitized solar cells (DSSC). This review article gives a synopsis of the advancements on squaraine sensitizers in the domain of DSSC and the chance used to enhance their overall energy conversion efficiency. Specifically, the primary factors in charge of the low values of open-circuit voltage (Voc), short-circuit photocurrent (Jsc) and fill factor (FF) are debated in detail. Future orientations in research and expanded absorptions of near infrared region (NIR) by development of organic substances and their applications are suggested from a personal point of view.

Photocurrent

Open-circuit voltage

Energy transformation

10.5185/amlett.2018.1740

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A rapid synthesis of quinoxalines by using Al₂O₃–ZrO₂ as heterogeneous catalyst

Synthetic Communications (2023)

Premkumar B. Thombre Sonali A. Korde Sudarshan S. Dipake Anjali S. Rajbhoj Machhindra K. Lande

AbstractIn this study, we present a highly efficient and environmentally benign protocol for synthesizing biologically important quinoxaline derivatives. The synthesis involves the reaction of 1,2-diamines with substituted phenacyl bromides or benzil, taking place at room temperature in N,N-dimethylformamide (DMF) solvent. The reaction is facilitated by a bifunctional heterogeneous catalyst composed of Al2O3–ZrO2 binary metal oxide. Our method offers numerous advantages, including excellent product yield, renewable catalytic conditions, minimal catalyst usage, safer chemistry, short reaction time, and a simple work-up procedure. To determine the chemical structure of the synthesized derivatives, we employed characterization techniques such as nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS). Additionally, the Al2O3–ZrO2 catalyst was characterized using X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray analysis (SEM-EDAX), and thermogravimetric analysis (TGA).Keywords: Al2O3–ZrO2cyclocondensationquinoxalinerecyclable AcknowledgementsWe are very much thankful to Chhatrapati Shahu Maharaj Research, Training and Human Development Institute (SARTHI), Pune for Junior Research Fellowship.Disclosure statementNo potential conflict of interest was reported by the author(s).

Thermogravimetric analysis

Benzil

10.1080/00397911.2023.2239394

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Synthesis, Characterization and Antimicrobial Screening of 1,3-Dione with their Metal Complexes

Asian Journal of Chemistry (2017)

Sandeep N. Sampal Shailendrasingh V. Thakur Anjali S. Rajbhoj Suresh T. Gaikwad

1-(5-Bromo-2-hydroxyphenyl)-3-(thiophen-2-yl)-propane-1,3-dione and its metal complexes has been synthesized.The functionalized 1,3-dione potentially acts as bidentate ligand and coordinate with the transition metal ions through β-diketo system.The synthesized diketone and their transition metal complexes have been screened for in vitro antibacterial and antifungal activity using Resazurin 96 well plate method.The transition metal complexes showed moderate to excellent antimicrobial activity against all tested bacteria and fungi which constitutes a new group of compounds that can be used as potential metal derived drugs.

Resazurin

10.14233/ajchem.2018.21041

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