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INDRAJIT KARMAKAR
INDRAJIT KARMAKAR
Research scholar, Dept. of Chemistry, Visva-Bharati
Verified email at visva-bharati.ac.in
Title
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Year
Development of a water-mediated and catalyst-free green protocol for easy access to a huge array of diverse and densely functionalized pyrido [2, 3-d: 6, 5-d′] dipyrimidines …
G Brahmachari, K Nurjamal, I Karmakar, S Begam, N Nayek, B Mandal
ACS Sustainable Chemistry & Engineering 5 (10), 9494-9505, 2017
372017
Ultrasound-assisted expedient and green synthesis of a new series of diversely functionalized 7-aryl/heteroarylchromeno [4, 3-d] pyrido [1, 2-a] pyrimidin-6 (7 H)-ones via one …
G Brahmachari, I Karmakar, K Nurjamal
ACS Sustainable Chemistry & Engineering 6 (8), 11018-11028, 2018
322018
Ultrasound-promoted expedient and green synthesis of diversely functionalized 6-amino-5-((4-hydroxy-2-oxo-2 H-chromen-3-yl)(aryl) methyl) pyrimidine-2, 4 (1 H, 3 H)-diones via …
G Brahmachari, M Mandal, I Karmakar, K Nurjamal, B Mandal
ACS Sustainable Chemistry & Engineering 7 (6), 6369-6380, 2019
262019
Visible light-induced and singlet oxygen-mediated photochemical conversion of 4-hydroxy-α-benzopyrones to 2-hydroxy-3-oxo-2, 3-dihydrobenzofuran-2-carboxamides/carboxylates …
G Brahmachari, I Karmakar
The Journal of Organic Chemistry 85 (14), 8851-8864, 2020
152020
Series of Functionalized 5-(2-Arylimidazo[1,2-a]pyridin-3-yl)pyrimidine-2,4(1H,3H)-diones: A Water-Mediated Three-Component Catalyst-Free Protocol Revisited
G Brahmachari, N Nayek, I Karmakar, K Nurjamal, SK Chandra, ...
The Journal of Organic Chemistry 85 (13), 8405-8414, 2020
122020
Triethylamine—A Versatile Organocatalyst in Organic Transformations: A Decade Update
G Brahmachari, N Nayek, K Nurjamal, I Karmakar, S Begam
Synthesis 50 (21), 4145-4164, 2018
102018
Visible Light-Driven and Singlet Oxygen-Mediated Photochemical Cross-Dehydrogenative C3–H Sulfenylation of 4-Hydroxycoumarins with Thiols Using Rose …
G Brahmachari, A Bhowmick, I Karmakar
The Journal of Organic Chemistry 86 (14), 9658-9669, 2021
92021
Catalyst-and solvent-free C sp2–H functionalization of 4-hydroxycoumarins via C-3 dehydrogenative aza-coupling under ball-milling
G Brahmachari, I Karmakar, P Karmakar
Green Chemistry 23 (13), 4762-4770, 2021
82021
Diversely Functionalized N‐Alkyl/Substituted alkyl, S‐2‐nitro‐1‐arylethyl Dithiocarbamates: Green Synthesis, Large Scale Application, and Insights in Reaction …
G Brahmachari, I Karmakar
ChemistrySelect 4 (2), 747-751, 2019
72019
sp2‐C–H Acetoxylation of Diversely Substituted (E)‐1‐(Arylmethylene)‐2‐phenylhydrazines Using PhI(OAc)2 as Acetoxy Source at Ambient Conditions
G Brahmachari, I Karmakar
European Journal of Organic Chemistry 2019 (34), 5925-5933, 2019
62019
Camphor-10-sulfonic acid (CSA): a water compatible organocatalyst in organic transformations
G Brahmachari, K Nurjamal, I Karmakar, M Mandal
Current Organocatalysis 5 (3), 165-181, 2018
62018
Structural confirmation of biorelevant molecule N-iso-butyl, S-2-nitro-1-phenylethyl dithiocarbamate in gas phase and effect of fluorination
T Yadav, G Brahmachari, I Karmakar, P Yadav, A Agarwal, V Mukherjee, ...
Chemical Physics Letters 762, 138124, 2021
52021
Alum (KAl (SO4) 2.12 H2O)-An Eco-friendly and Versatile Acid-catalyst in Organic Transformations: A Recent Update
G Brahmachari, K Nurjamal, S Begam, M Mandal, N Nayek, I Karmakar, ...
Current Green Chemistry 6 (1), 12-31, 2019
52019
Facile and Straightforward Synthesis of Racemic Version of Substituted 3-(3-(2-Hydroxyphenyl)-3-oxo-1-arylpropyl)-4-hydroxycoumarins: Easy Access to a Series of Biorelevant …
G Brahmachari, M Mandal, I Karmakar
Synthesis, 2021
32021
Ultrasound-Promoted Organic Synthesis – A Recent Update
IK Goutam Brahmachari, Nayana Nayek, Mullicka Mandal, Anindita Bhowmick
Current Organic Chemistry, 2021
32021
Synthesis, structural and vibrational spectroscopic investigation of molecules: Nn-butyl, S-2-nitro-1-phenylethyl dithiocarbamate and Nn-butyl, S-2-nitro-1-(4-flurophenyl …
T Yadav, G Brahmachari, I Karmakar, P Yadav, A Agarwal, V Mukherjee, ...
Vibrational Spectroscopy 111, 103151, 2020
22020
Metal‐Free Sequential Amidation and Intramolecular Csp2−H Direct Amination of Coumarin‐3‐carboxylic Acids under Ambient Conditions: Scope and Mechanistic …
M Mandal, I Karmakar, K Chakrabarty, GK Das, G Brahmachari
ChemistrySelect 7 (5), e202103929, 2022
12022
Conformational and vibrational spectroscopic investigation of Nn‑butyl, S-2-nitro-1-(p-tolyl) ethyl dithiocarbamate–a bio-relevant sulfur molecule
T Yadav, G Brahmachari, I Karmakar, P Yadav, AK Prasad, A Pathak, ...
Journal of Molecular Structure 1238, 130450, 2021
12021
Structural confirmation and spectroscopic signature of N-Allyl-2-hydroxy-5-methyl-3-oxo-2, 3-dihydrobenzofuran-2-carboxamide and its monohydrate cluster
T Yadav, AK Vishwkarma, G Brahmachari, I Karmakar, P Yadav, S Kumar, ...
Journal of Molecular Structure, 133566, 2022
2022
Photochemical and electrochemical regioselective cross-dehydrogenative C(sp2)-H sulfenylation and selenylation of substituted benzo [a] phenazin-5-ols
N Nayek, P Karmakar, M Mandal, I Karmakar, G Brahmachari
New Journal of Chemistry, 2022
2022
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