Khokan Samanta

ORCID: 0009-0006-8466-8922
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About
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Research Areas
  • Chemical synthesis and alkaloids
  • Synthetic Organic Chemistry Methods
  • Graphene research and applications
  • Porphyrin and Phthalocyanine Chemistry
  • Asymmetric Synthesis and Catalysis
  • Graphene and Nanomaterials Applications
  • Synthesis and Characterization of Pyrroles
  • Catalytic Alkyne Reactions
  • Synthesis and biological activity
  • Phytochemistry and biological activities of Ficus species
  • Structural and Chemical Analysis of Organic and Inorganic Compounds
  • Traditional Chinese Medicine Analysis
  • Synthesis of Indole Derivatives
  • Phytochemistry and Biological Activities
  • Catalytic C–H Functionalization Methods
  • Biological and pharmacological studies of plants
  • Nonlinear Optical Materials Research
  • Advanced Nanomaterials in Catalysis
  • Supercapacitor Materials and Fabrication
  • Synthesis and Biological Evaluation
  • Natural product bioactivities and synthesis
  • Conducting polymers and applications
  • Chemical Reaction Mechanisms
  • Molecular Sensors and Ion Detection
  • Inorganic and Organometallic Chemistry

Haldia Institute of Technology
2021-2025

Sungkyunkwan University
2013-2015

Suwon Research Institute
2014

Presidency University
2008-2012

University of Calcutta
2008

A facile method for the synthesis of highly fluorinated reduced graphene oxide from using BF3-OEt2 solution and alkylthiol/alkylamine on Gram scale has been described a detailed mechanism. The maximum fluorination was as high 38 wt% produced great wettability insulating properties.

10.1039/c3cc45376f article EN Chemical Communications 2013-01-01

Abstract The emergence of stretchable devices that combine with conductive properties offers new exciting opportunities for wearable applications. Here, a novel, convenient and inexpensive solution process was demonstrated to prepare in situ silver (Ag) or platinum (Pt) nanoparticles (NPs)-embedded rGO hybrid materials using formic acid duality the presence AgNO 3 H 2 PtCl 6 at low temperature. reduction can convert graphene oxide (GO) simultaneously deposit positively charged metal ion NP...

10.1038/srep14177 article EN cc-by Scientific Reports 2015-09-18

This review presents a different synthetic approach of pyrrolo/indolo[3,2-<italic>c</italic>]coumarins <italic>via</italic> classical reactions including metal-catalyzed and green reaction protocols.

10.1039/d0nj06267g article EN New Journal of Chemistry 2021-01-01

The transition metal-free synthetic protocols of isoindolinone and its fused analogues are highlighted in this review since 2007 to 2021.

10.1039/d2nj00475e article EN New Journal of Chemistry 2022-01-01

The innovation of chemosensors for tin ions (Sn 4+ /Sn 2+ ) has evolved as a key research topic in recent decades, garnering lot attention due to their environmental, industrial and biological importance.

10.1039/d2nj00383j article EN New Journal of Chemistry 2022-01-01

Phenanthrenes and their dihydro derivatives have attracted considerable attention due to widespread occurrence in natural products pharmaceuticals with biological activities, which led application the treatment of microbial or viral infections, allergies, cancer, malaria. Nowadays, transitional metal-catalysed reactions are useful approaches for synthetic transformation organic compounds high yield step economy. This approach, owing use non-pre functionalized substrates, minimizes chemical...

10.2174/0113852728327237241006203431 article EN Current Organic Chemistry 2025-01-01

New reducing agents, such as sodium–benzophenone solutions and light can generate solvated radical anions electrons that produce high-quality rGO or convert to a higher degree of reduced N-doped with hydrazine at room temperature.

10.1039/c4nr03009e article EN Nanoscale 2014-01-01

Abstract Pyrolysis of calcium salt alkoxybenzoic acid leads to the formation ester instead alkoxy benzophenone.

10.1080/00397911.2011.599195 article EN Synthetic Communications 2012-11-02

Abstract Some interesting observations have been observed in the synthetic studies of chrysen-6-ol and benzo[c]phenanthren-5-ol derivatives by intramolecular cyclization (2-phenylnaphthalen-1-yl)acetic acid (4) (1-phenylnaphthalen-2-yl)acetic (13) with PPA or trifluoroacetic (TFA) - anhydride (TFAA) mixture. Though were obtained very good yields (usual observation) under identical condition attempted (1-phenylnaphthalen-2-yl)-acetic produced no benzo[c]phenanthrene-5-ol (17). On contrary...

10.1080/10406638.2012.679016 article EN Polycyclic aromatic compounds 2012-08-01

Abstract Aldehydes of type (I) and (IV) bearing an adjacent furyl substituent are transformed to the corresponding allylic propargylic alcohols by In‐promoted reaction.

10.1002/chin.201226093 article EN ChemInform 2012-05-31

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at glance that was extracted from about 200 leading journals. To access of an article which published elsewhere, please select “Full Text” option. The original trackable via the “References”

10.1002/chin.200824101 article EN ChemInform 2008-05-15

Abstract An expedite general synthesis of three angularly fused furophenantharquinones is described from 1‐(2‐furyl)‐naphthalen‐2‐carbaldehyde derivatives. derivatives on sequential functional group transformation the −CHO afforded 2‐[1‐(2‐furyl])‐naphthalen‐2‐acetic acid in reasonably overall good yields. Cyclization carboxylic acids lead to formation furophenanthrenol The phenolic intermediates were oxidized with Fremy's salt furnish condensed furophenanthraquinone excellent synthesized...

10.1002/slct.202100979 article EN ChemistrySelect 2021-06-22
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