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Asish R. Das · SciRah

Researcher profile · Semantic Scholar

Asish R. Das

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Asish R. Das — researcher profile on SciRah

h-index: 30
Works: 128
Citations: 2,532

Most-cited papers

Nano crystalline ZnO catalyzed one pot multicomponent reaction for an easy access of fully decorated 4H-pyran scaffolds and its rearrangement to 2-pyridone nucleus in aqueous media
P. Bhattacharyya, Koyel Pradhan, S. Paul, Asish R. Das
2012118 citations
Semantic Scholar
Nanocrystalline and reusable ZnO catalyst for the assembly of densely functionalized 4H-chromenes in aqueous medium via one-pot three component reactions: a greener "NOSE" approach.
P. Ghosh, Asish R. Das
2013Journal of Organic Chemistry94 citations
Semantic Scholar
Uncapped SnO2 quantum dot catalyzed cascade assembling of four components: a rapid and green approach to the pyrano(2,3-c) pyrazole and spiro-2-oxindole derivatives
S. Paul, Koyel Pradhan, Sirshendu Ghosh, S. K. De +1 more
201475 citations
Semantic Scholar
Design and synthesis of benzylpyrazolyl coumarin derivatives via a four-component reaction in water: investigation of the weak interactions accumulating in the crystal structure of a signified compound
P. Ghosh, Gargi Pal, S. Paul, Asish R. Das
201271 citations
Semantic Scholar
Magnetically retrievable nano crystalline CuFe2O4 catalyzed multi-component reaction: a facile and efficient synthesis of functionalized dihydropyrano[2,3-c]pyrazole, pyrano[3,2-c]coumarin and 4H-chromene derivatives in aqueous media
Koyel Pradhan, S. Paul, Asish R. Das
201461 citations
Semantic Scholar
Light induced synthesis of symmetrical and unsymmetrical dihydropyridines in ethyl lactate–water under tunable conditions
P. Ghosh, S. Paul, Asish R. Das
201360 citations
Semantic Scholar
In situ synthesis of a reduced graphene oxide/cuprous oxide nanocomposite: a reusable catalyst
Indranil Roy, A. Bhattacharyya, Gunjan Sarkar, N. R. Saha +5 more
201458 citations
Semantic Scholar
Fe(DS)3, an efficient Lewis acid-surfactant-combined catalyst (LASC) for the one pot synthesis of chromeno[4,3-b]chromene derivatives by assembling the basic building blocks
Koyel Pradhan, S. Paul, Asish R. Das
201355 citations
Semantic Scholar
Dual role of the polymer supported catalyst PEG-OSO3H in aqueous reaction medium: synthesis of highly substituted structurally diversified coumarin and uracil fused spirooxindoles
S. Paul, Asish R. Das
201353 citations
Semantic Scholar
Synthesis of 2,3-dihydroquinazolinones and quinazolin-4(3H)-ones catalyzed by graphene oxide nanosheets in an aqueous medium: “on-water” synthesis accompanied by carbocatalysis and selective C–C bond cleavage
Nazia Kausar, Indranil Roy, D. Chattopadhyay, Asish R. Das
201652 citations
Semantic Scholar
Triton-X-100 catalyzed synthesis of 1,4-dihydropyridines and their aromatization to pyridines and a new one pot synthesis of pyridines using visible light in aqueous media
P. Ghosh, Prasun Mukherjee, Asish R. Das
201352 citations
Semantic Scholar
Facile synthesis of pyridopyrimidine and coumarin fused pyridine libraries over a Lewis base-surfactant-combined catalyst TEOA in aqueous medium
P. Bhattacharyya, S. Paul, Asish R. Das
201346 citations
Semantic Scholar
Ethyl Lactate As a Green Solvent: A Promising Bio-compatible Media for Organic Synthesis
S. Paul, Koyel Pradhan, Asish R. Das
201644 citations
Semantic Scholar
Magnetically Retrievable Nano Crystalline Nickel Ferrite‐ Catalyzed Aerobic, Ligand‐Free CN, CO and CC Cross‐ Coupling Reactions for the Synthesis of a Diversified Library of Heterocyclic Molecules
S. Paul, Koyel Pradhan, Sirshendu Ghosh, S. De +1 more
201443 citations
Semantic Scholar
Activation of SIRT1/PGC 1α/SIRT3 pathway by melatonin provides protection against mitochondrial dysfunction in isoproterenol induced myocardial injury
Shamreen Naaz, Sanatan Mishra, P. Pal, A. Chattopadhyay +2 more
2020Heliyon39 citations Open access
Semantic Scholar
A new application of polymer supported, homogeneous and reusable catalyst PEG–SO3H in the synthesis of coumarin and uracil fused pyrrole derivatives
S. Paul, Asish R. Das
201236 citations
Semantic Scholar
Practical carbocatalysis by graphene oxide nanosheets in aqueous medium towards the synthesis of diversified dibenzo[1,4]diazepine scaffolds
Nazia Kausar, Prasun Mukherjee, Asish R. Das
201635 citations
Semantic Scholar
Spirocyclopropanes from Intramolecular Cyclopropanation of Pyranopyrazoles and Pyranopyrimidine-diones and Lewis Acid Mediated (3 + 2) Cycloadditions of Spirocyclopropylpyrazolones.
Prasun Mukherjee, Asish R. Das
2017Journal of Organic Chemistry34 citations Open access
Semantic Scholar
PhIO promoted synthesis of nitrile imines and nitrile oxides within a micellar core in aqueous media: a regiocontrolled approach to synthesizing densely functionalized pyrazole and isoxazoline derivatives
Gargi Pal, S. Paul, P. Ghosh, Asish R. Das
201434 citations
Semantic Scholar
A facile and versatile protocol for the one-pot PhI(OAc)2 mediated divergent synthesis of quinazolines from 2-aminobenzylamine
M. Saha, Prasun Mukherjee, Asish R. Das
201732 citations
Semantic Scholar
Synthesis of 3,4-dihydropyridin-2-one derivatives in convergent mode applying bio catalyst vitamin B1 and polymer supported catalyst PEG–SO3H from two different sets of building blocks
Koyel Pradhan, P. Bhattacharyya, S. Paul, Asish R. Das
201232 citations
Semantic Scholar
Synthesis of indeno and acenaphtho cores containing dihydroxy indolone, pyrrole, coumarin and uracil fused heterocyclic motifs under sustainable conditions exploring the catalytic role of the SnO2 quantum dot
Koyel Pradhan, S. Paul, Asish R. Das
201531 citations
Semantic Scholar
A facile and efficient synthesis of functionalized 4-oxo-2-(phenylimino)thiazolidin-5-ylideneacetate derivatives via a CuFe2O4 magnetic nanoparticles catalyzed regioselective pathway
Gargi Pal, S. Paul, Asish R. Das
201431 citations
Semantic Scholar
Facile and eco-friendly synthesis of chromeno[4,3-b]pyrrol-4(1H)-one derivatives applying magnetically recoverable nano crystalline CuFe2O4 involving a domino three-component reaction in aqueous media
M. Saha, Koyel Pradhan, Asish R. Das
201630 citations
Semantic Scholar
A green synthetic approach toward the synthesis of structurally diverse spirooxindole derivative libraries under catalyst-free conditions
Nazia Kausar, Abdullah al Masum, Md. Maidul Islam, Asish R. Das
2017Molecular diversity27 citations
Semantic Scholar
Melatonin ameliorates myocardial infarction in obese diabetic individuals: The possible involvement of macrophage apoptotic factors
Juin Maity, Tiyasa Dey, Adrita Banerjee, A. Chattopadhyay +2 more
2022Journal of Pineal Research25 citations Open access
Semantic Scholar
Synthesis of a SO3H-bearing carbonaceous solid catalyst, PEG–SAC: application for the easy access to a diversified library of pyran derivatives
S. Paul, Sirshendu Ghosh, P. Bhattacharyya, Asish R. Das
201324 citations
Semantic Scholar
CuI–Zn(OAc)2 catalyzed C(sp2)–H activation for the synthesis of pyridocoumarins through an uncommon CuI–CuIII switching mechanism: A fast, solvent-free, combo-catalytic, ball milling approach
Nazia Kausar, Asish R. Das
201722 citations
Semantic Scholar
Access of Diverse 2-Pyrrolidinone, 3,4,5-Substituted Furanone and 2-Oxo-dihydropyrroles Applying Graphene Oxide Nanosheet: Unraveling of Solvent Selectivity
M. Saha, Asish R. Das
201722 citations
Semantic Scholar
Graphene oxide nanosheets: a highly efficient and reusable carbocatalyst catalyzes the Michael-cyclization reactions of 4-hydroxycoumarins, 4-hydroxypyrone and 4-hydroxy-1-methylquinolinone with chalcone derivatives in aqueous media
Nazia Kausar, P. Ghosh, Gargi Pal, Asish R. Das
201521 citations
Semantic Scholar
I2/TBHP promoted oxidative C–N bond formation at room temperature: Divergent access of 2-substituted benzimidazoles involving ring distortion
M. Saha, Asish R. Das
2018Tetrahedron Letters20 citations
Semantic Scholar
Oleic acid ameliorates adrenaline induced dysfunction of rat heart mitochondria by binding with adrenaline: An isothermal titration calorimetry study
Sanatan Mishra, A. Chattopadhyay, Shamreen Naaz, Arnab Ghosh +2 more
2019Life Science18 citations
Semantic Scholar
Expeditious synthesis of functionalized tricyclic 4-spiro pyrano[2,3-c]pyrazoles in aqueous medium using dodecylbenzenesulphonic acid as a Brønsted acid‒surfactant-combined catalyst
Prasun Mukherjee, S. Paul, Asish R. Das
201517 citations
Semantic Scholar
Design and synthesis of coumarinyl 1,4-benzodioxanes as potential anti-oxidant
Asish R. Das, Gargi Pal, P. Bhattacharyya, Arnab Ghosh +2 more
201216 citations
Semantic Scholar
Access to π-Extended Heterocycles Containing Pyrrolo-Coumarin Cores Involving -COCH3 as a Traceless Directing Group and Materializing Two Successive sp2C-H/sp3N-H and sp2C-H/sp2N-H Activations.
Dwaipayan Das, Asish R. Das
2022Journal of Organic Chemistry15 citations
Semantic Scholar
Alum-Catalyzed Synthesis of 3-(1H-Pyrrol-2-yl)-2H-chromen-2-ones: A Water–PEG 400 Binary Solvent Mediated, One-Pot, Three-Component Protocol
Gargi Pal, S. Paul, Asish R. Das
2013Synthesis15 citations
Semantic Scholar
Diastereoselective Synthesis of Structurally and Stereochemically Diversified 2-Oxa-7-azabicyclo[4.1.0]hept-3-enyl Carboxylates and Their Potential Application toward the Synthesis of Functionalized Pyranooxazolone and Pyrrole Derivatives through Skeletal Transformations.
Prasun Mukherjee, Asish R. Das
2016Journal of Organic Chemistry13 citations
Semantic Scholar
Nano Crystalline ZnO Catalyzed One-Pot Multicomponent Reaction for an Easy Access of Fully Decorated 4H-Pyran Scaffolds and Its Rearrangement to 2-Pyridone Nucleus in Aqueous Media.
P. Bhattacharyya, Koyel Pradhan, S. Paul, Asish R. Das
201213 citations
Semantic Scholar
Electrochemically Enabled C4-H and C3-H Functionalization of 2-Phenyl Quinazoline and Quinoxaline through Dehydrogenative C-H/C-H, C-H/P-H, and C-H/O-H Cross-Coupling.
R. Mandal, Moumita Saha, Dwaipayan Das, Asish R. Das
2023Journal of Organic Chemistry11 citations
Semantic Scholar
Synthesis of a diversified combinatorial library of 1H-pyrazolo[1,2-b]phthalazine-5,10-dione derivatives applying sustainable carbon-based solid acid catalyst involving a domino four-component reaction
Koyel Pradhan, S. Paul, Asish R. Das
2014Chemical Monthly11 citations
Semantic Scholar
Fused Furan Moieties from Enol-like Compounds and β-Keto Sulfoxonium Ylides Involving sp2 C-H Activation and Concomitant Tandem C-O Annulation.
Dwaipayan Das, Agniva Das, Saiful Islam, Asish R. Das +3 more
2023Organic Letters10 citations
Semantic Scholar
Practical application of PhI(OAc)2/I2 combination to synthesize benzimidazoles from 2-aminobenzylamine through ring distortion strategy
M. Saha, Prasun Mukherjee, Asish R. Das
201710 citations
Semantic Scholar
Fe(DS)3, an Efficient Lewis Acid — Surfactant Combined Catalyst (LASC) for the One‐Pot Synthesis of Chromeno[4,3‐b]chromene Derivatives by Assembling the Basic Building Blocks.
Koyel Pradhan, S. Paul, Asish R. Das
201310 citations
Semantic Scholar
Regioselective [3+2]‐spiroannulation and [4+n]‐annulation approaches through activation of C‐H bond facilitated by Ru(II) as catalyst: Role of solvent selectivity
Asish R. Das, R. Mandal, Anindita Sarkar, Dwaipayan Das
2024Advanced Synthesis & Catalysis9 citations
Semantic Scholar
Synthesis, properties and catalysis of quantum dots in C–C and C-heteroatom bond formations
Dwaipayan Das, Moumita Saha, Asish R. Das
2022Physical Sciences Reviews9 citations
Semantic Scholar
One-flask synthesis of pyrazolone thioethers involving catalyzed and uncatalyzed thioetherification pathways of pyrazolones.
Prasun Mukherjee, Asish R. Das
2017Organic and biomolecular chemistry9 citations
Semantic Scholar
Uncapped SnO2 Quantum Dot Catalyzed Cascade Assembling of Four Components: A Rapid and Green Approach to the Pyrano[2,3‐c]pyrazole and Spiro‐2‐oxindole Derivatives.
S. Paul, Koyel Pradhan, Sirshendu Ghosh, S. K. De +1 more
20159 citations
Semantic Scholar
Expedient Synthesis of Biologically Potent Aryloxycoumarins and (Aryloxyimino)ethylcoumarins via Copper(II)-Promoted Chan–Lam Coupling Reaction
Arunima Medda, Gargi Pal, Raghunath Singha, Tabassum Hossain +2 more
20139 citations
Semantic Scholar
Dual Role of the Polymer‐Supported Catalyst PEG‐OSO3H in Aqueous Reaction Medium: Synthesis of Highly Substituted Structurally Diversified Coumarin‐ and Uracil‐Fused Spirooxindoles.
S. Paul, Asish R. Das
20139 citations
Semantic Scholar
Magnetically Recyclable Nano Nickel Ferrite Catalyzed One-pot Chalcogenation of Bioactive Heterocycles Under Aerobic Condition
Dwaipayan Das, Prasun Mukherjee, Asish R. Das
2019ChemistrySelect8 citations
Semantic Scholar

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Koyel Pradhan×13
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Prasun Mukherjee×9
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P. Bhattacharyya×6

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Dwaipayan Das×6

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Nazia Kausar×5

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