Search Results - "Debnath, Sudipto"

Iodine-Catalyzed Functionalization of Primary Aliphatic Amines to Oxazoles, 1,4-Oxazines, and Oxazinones by Debnath, Sudipto, Das, Tuluma, Gayen, Subrata, Ghosh, Tapas, Maiti, Dilip K

“…Unprecedented I2-catalyzed α,α-C­(sp3)-H, decarboxylative α-C­(sp3)-H, lactonized α-C­(sp3)-H, and α,β-C­(sp3)-H functionalized 5- and 6-annulation as well as…”
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3‑Amino-1-methyl‑1H‑pyridin-2-one-Directed PdII Catalysis: C(sp3)–H Activated Diverse Arylation Reaction by Pati, Tanmay K, Debnath, Sudipto, Kundu, Mrinalkanti, Khamrai, Uttam, Maiti, Dilip K

“…A new bidentate directing group, 3-amino-1-methyl-1H-pyridin-2-one, is introduced to achieve a powerful PdII metallacycle for selective γ-C­(sp3)–H activation…”
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Bro̷nsted Acid-Catalyzed [5+1] and [4+1] Annulation of Cyclic Anhydrides with o‑Alkynylanilines to Construct Fused-N-Heterocycles by Das, Aranya, Ajarul, Sk, Debnath, Sudipto, Hota, Poulami, Maiti, Dilip K.

“…An unprecedented p-TsOH and MsOH-catalyzed construction of valuable isoindolo/pyrido/pyrrolo-quinolinediones and isoindolo-indolones is demonstrated through…”
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K2CO3‑Catalyzed Dual C–C-Coupled Cyclization to 3‑Amino-4-benzoylbiphenyls and In Situ I2‑Catalyzed C–N Bond Forming Annulation: A Metal-Free Synthesis of Arylacridones by Das, Aranya, Debnath, Sudipto, Hota, Poulami, Das, Tuluma, Maiti, Dilip K.

“…Unprecedented metal-free cyclization catalysis reactions are developed in a highly regioselective fashion to synthesize 3-amino-4-benzoyl biphenyls and…”
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K 2 CO 3 -Catalyzed Dual C–C-Coupled Cyclization to 3-Amino-4-benzoylbiphenyls and In Situ I 2 -Catalyzed C–N Bond Forming Annulation: A Metal-Free Synthesis of Arylacridones by Das, Aranya, Debnath, Sudipto, Hota, Poulami, Das, Tuluma, Maiti, Dilip K.

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NHC-Mediated Stetter-Aldol and Imino-Stetter-Aldol Domino Cyclization to Naphthalen-1(2H)‑ones and Isoquinolines by Barman, Debabrata, Ghosh, Tanmoy, Show, Krishanu, Debnath, Sudipto, Ghosh, Tapas, Maiti, Dilip K

“…N-Heterocyclic carbene-catalyzed tandem Stetter-aldol reaction of phthalaldehyde and α,β-unsaturated ketimines has been developed to afford functionalized…”
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An efficient strategy for N-alkylation of benzimidazoles/imidazoles in SDS-aqueous basic medium and N-alkylation induced ring opening of benzimidazoles by Chakraborty, Ankita, Debnath, Sudipto, Ghosh, Tanmoy, Maiti, Dilip K., Majumdar, Swapan

“…A sustainable route for the N-1 alkylation of imidazole and benzimidazole derivatives has been developed under volatile organic solvent free condition in…”
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An overview of extraction, isolation and characterization techniques of phytocompounds from medicinal plants by Mondal, Susmita, Das, Manosi, Debnath, Sudipto, Sarkar, Biresh Kumar, Babu, Gajji

“…Medicinal plants have been used since time immemorial for the treatment of many types of diseases along with epidemics. They show many biological activities…”
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Metal-Free Indole–Phenacyl Bromide Cyclization: A Regioselective Synthesis of 3,5-Diarylcarbazoles by Debnath, Sudipto, Das, Tuluma, Pati, Tanmay K., Majumdar, Swapan, Maiti, Dilip K.

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Multifold C–C Coupling and Unorthodox Cyclization Catalysis for Selective Synthesis of Indolotriarylmethanes, Indolocarbazoles, and Their Analogues: A Control Experiment Study by Das, Tuluma, Debnath, Sudipto, Maiti, Rituparna, Maiti, Dilip K

“…The selective construction of medicinally and synthetically important indole-based unsymmetrical triarylmethanes using indoles and aldehydes is challenging…”
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Fabrication and Diverse Ring-Expansion Nanocatalysis of Functionalized Pt-Nanoparticles to a General Synthesis of Pyrrolines: A 3D-Mid-IR Study by Ghosh, Subhadeep, Debnath, Sudipto, Das, Uttam K, Maiti, Dilip K

“…An unprecedented nanofabrication of functionalized Pt-NPs under mild conditions was accomplished through oxidative insertion of PtBr2 into the O–C bond of…”
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Composition-dependent nanoelectronics of amido-phenazines: non-volatile RRAM and WORM memory devices by Maiti, Dilip K., Debnath, Sudipto, Nawaz, Sk. Masum, Dey, Bapi, Dinda, Enakhi, Roy, Dipanwita, Ray, Sudipta, Mallik, Abhijit, Hussain, Syed A.

“…A metal-free three component cyclization reaction with amidation is devised for direct synthesis of DFT-designed amido-phenazine derivative bearing noncovalent…”
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Copper nanoparticles catalyzed N-H functionalization: An efficient solvent-free N-tert-butyloxycarbonylation strategy by Deb, Barnali, Debnath, Sudipto, Deb, Anindita, Maiti, Dilip K., Majumdar, Swapan

“…[Display omitted] •Cu-NP’s catalyzed N-H functionalization to t-butyloxycarbamate synthesis.•Highly chemoselective method for t-butyloxycarbonyl protection of…”
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Dynamicity and extractability of hydro-alcoholic solvents for Tinospora cordifolia stem: an investigation for target-oriented traditional drug discovery based on biologically active phytocompounds by Hazra, Kalyan, Kumar, Deepak, Debnath, Sudipto, Mondal, Susmita, Batule, Manoj, Dutta, Sreya, Singh, Arjun, Singh, Ravindra, Mangal, Anupam Kumar

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3-Amino-1-methyl-1 H-pyridin-2-one-Directed Pd II Catalysis: C(sp 3 )-H Activated Diverse Arylation Reaction by Pati, Tanmay K, Debnath, Sudipto, Kundu, Mrinalkanti, Khamrai, Uttam, Maiti, Dilip K

“…A new bidentate directing group, 3-amino-1-methyl-1 H-pyridin-2-one, is introduced to achieve a powerful Pd metallacycle for selective γ-C(sp )-H activation…”
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Silica–ferric chloride (SiO2–FeCl3) catalyzed selective synthesis of 2-substituted benzimidazole through Csp2Csp3 bond cleavage of β-ketoester/amide by Majumdar, Swapan, Chakraborty, Ankita, Bhattacharjee, Subrata, Debnath, Sudipto, Maiti, Dilip K.

“…Silica–ferric chloride (SiO2–FeCl3) supported reagent was successfully utilized as recyclable catalyst for the general and highly efficient synthesis of…”
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Silica–ferric chloride (SiO2–FeCl3) catalyzed selective synthesis of 2-substituted benzimidazole through C sp 2 C sp 3 bond cleavage of β-ketoester/amide by Majumdar, Swapan, Chakraborty, Ankita, Bhattacharjee, Subrata, Debnath, Sudipto, Maiti, Dilip K.

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3-Amino-1-methyl-1 H-pyridin-2-one-Directed PdII Catalysis: C(sp3)-H Activated Diverse Arylation Reaction by Pati, Tanmay K, Debnath, Sudipto, Kundu, Mrinalkanti, Khamrai, Uttam, Maiti, Dilip K

“…A new bidentate directing group, 3-amino-1-methyl-1 H-pyridin-2-one, is introduced to achieve a powerful PdII metallacycle for selective γ-C(sp3)-H activation…”
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Performance comparison of MFCC based bangla ASR system in presence and absence of third differential coefficients by Debnath, Sudipto, Fatema-E-Jannat, Saha, Susmita, Aziz, Mohammad Tarik, Sajol, Rifayet Hasan, Rahimi, Md Jakaria

“…Present Mel Frequency Cepstral Coefficient (MFCC) based Bangla Automatic Speech Recognition (ASR) systems are mostly implemented with delta and acceleration…”
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