Year |
Citation |
Score |
2024 |
Ghosh S, Das D, Mandal RD, Das AR. Pragmatic Access to Hybrid Quinoxaline Scaffold Mediated by Elemental Sulfur Enabling Actualization to π-Extended and Aza-Annulated Heterocyclic Units. The Journal of Organic Chemistry. PMID 39333838 DOI: 10.1021/acs.joc.4c01972 |
0.32 |
|
2024 |
Sarkar A, Mandal RD, Chakraborty N, Das AR. Cascade [4 1] Annulation through Activation of the C(sp)-H Bond Enabling Benzothiadiazinoisoindolcarboxylate, Benzothiadiazinoisoindole, and Benzothiadiazinoisoindolepyrrolidinedione as Hybrid Spiro-Heterocyclic Frameworks†. The Journal of Organic Chemistry. PMID 38758359 DOI: 10.1021/acs.joc.4c00366 |
0.34 |
|
2023 |
Sarkar A, Saha M, Das AR. Ru(II) catalyzed chelation assisted C(sp)-H bond functionalization along with concomitant (4 + 2) annulation. Organic & Biomolecular Chemistry. PMID 37357884 DOI: 10.1039/d3ob00828b |
0.304 |
|
2023 |
Das D, Das A, Islam S, Das AR, Banerjee A, Majumder R, Bandyopadhyay D. Fused Furan Moieties from Enol-like Compounds and β-Keto Sulfoxonium Ylides Involving sp C-H Activation and Concomitant Tandem C-O Annulation. Organic Letters. 25: 4493-4497. PMID 37294033 DOI: 10.1021/acs.orglett.3c01455 |
0.37 |
|
2022 |
Das D, Das AR. Access to π-Extended Heterocycles Containing Pyrrolo-Coumarin Cores Involving -COCH as a Traceless Directing Group and Materializing Two Successive spC-H/spN-H and spC-H/spN-H Activations. The Journal of Organic Chemistry. 87: 11443-11456. PMID 36000720 DOI: 10.1021/acs.joc.2c00958 |
0.321 |
|
2022 |
Mandal RD, Saha M, Das AR. Accessing oxy-functionalized N-heterocycles through rose bengal and TBHP integrated photoredox C(sp)-O cross-coupling. Organic & Biomolecular Chemistry. 20: 2939-2963. PMID 35332896 DOI: 10.1039/d2ob00381c |
0.333 |
|
2022 |
Dhara S, Ghosh S, Das AR. An iron-catalyzed domino reaction of donor-acceptor cyclopropanes: a diastereoselective approach towards diversely functionalized pyrrolo-quinazolines. Organic & Biomolecular Chemistry. PMID 35014658 DOI: 10.1039/d1ob02215f |
0.353 |
|
2020 |
Das D, Mukherjee P, Das AR. "On water" palladium catalyzed diastereoselective boronic acid addition to structurally diverse cyclopropane nitriles. Organic & Biomolecular Chemistry. PMID 33108794 DOI: 10.1039/d0ob00077a |
0.472 |
|
2020 |
Saha M, Das AR. Hypervalent iodine promoted ortho diversification: 2-aryl benzimidazole, quinazoline and imidazopyridine as directing templates. Organic & Biomolecular Chemistry. PMID 31922163 DOI: 10.1039/C9Ob02533B |
0.49 |
|
2018 |
Mukherjee P, Das AR, Mishra R, Bhowmick S, Saha A. Synthesis of Novel tricyclic pyrazolo(1,4)oxathiinopyrazines and Evaluation of Their Competency Towards the Inhibition of Lactate Dehydrogenase Activity-Inhibition of LDH Activity. Drug Research. PMID 29895087 DOI: 10.1055/A-0630-4988 |
0.349 |
|
2018 |
Saha M, Das AR. I2/TBHP promoted oxidative C–N bond formation at room temperature: Divergent access of 2-substituted benzimidazoles involving ring distortion Tetrahedron Letters. 59: 2520-2525. DOI: 10.1016/J.Tetlet.2018.05.028 |
0.457 |
|
2017 |
Mukherjee P, Das AR. One-flask synthesis of pyrazolone thioethers involving catalyzed and uncatalyzed thioetherification pathways of pyrazolones. Organic & Biomolecular Chemistry. PMID 28832050 DOI: 10.1039/C7Ob01754E |
0.451 |
|
2017 |
Kausar N, Masum AA, Islam MM, Das AR. A green synthetic approach toward the synthesis of structurally diverse spirooxindole derivative libraries under catalyst-free conditions. Molecular Diversity. PMID 28190223 DOI: 10.1007/S11030-017-9728-9 |
0.795 |
|
2017 |
Mukherjee P, Das AR. Spiro-cyclopropanes from Intramolecular Cyclopropanation of Pyranopyrazoles and Pyranopyrimidine-diones and Lewis Acid Mediated (3+2)-Cycloadditions of Spirocyclopropylpyrazolones. The Journal of Organic Chemistry. PMID 28182406 DOI: 10.1021/Acs.Joc.7B00089 |
0.528 |
|
2017 |
Kausar N, Das AR. CuI–Zn(OAc) 2 catalyzed C(sp 2 )–H activation for the synthesis of pyridocoumarins through an uncommon Cu I –Cu III switching mechanism: A fast, solvent-free, combo-catalytic, ball milling approach Tetrahedron Letters. 58: 2602-2607. DOI: 10.1016/J.Tetlet.2017.05.074 |
0.797 |
|
2017 |
Saha M, Mukherjee P, Das AR. A facile and versatile protocol for the one-pot PhI(OAc)2 mediated divergent synthesis of quinazolines from 2-aminobenzylamine Tetrahedron Letters. 58: 2044-2049. DOI: 10.1016/J.Tetlet.2017.04.036 |
0.533 |
|
2017 |
Saha M, Mukherjee P, Das AR. Practical application of PhI(OAc)2/I2 combination to synthesize benzimidazoles from 2-aminobenzylamine through ring distortion strategy Tetrahedron Letters. 58: 1046-1049. DOI: 10.1016/J.Tetlet.2017.01.099 |
0.538 |
|
2016 |
Mukherjee P, Das AR. Diastereoselective synthesis of structurally and stereochemically diversified 2-oxa-7-azabicyclo[4.1.0]hept-3-enyl carboxylates and their potential application towards the synthesis of functionalized pyranooxazolone and pyrrole derivatives through skeletal transformations. The Journal of Organic Chemistry. PMID 27227655 DOI: 10.1021/Acs.Joc.6B00849 |
0.508 |
|
2016 |
Kausar N, Mukherjee P, Das AR. Practical carbocatalysis by graphene oxide nanosheets in aqueous medium towards the synthesis of diversified dibenzo[1,4]diazepine scaffolds Rsc Advances. 6: 88904-88910. DOI: 10.1039/C6Ra17520A |
0.807 |
|
2016 |
Saha M, Pradhan K, Das AR. 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 Rsc Advances. 6: 55033-55038. DOI: 10.1039/C6Ra06979G |
0.55 |
|
2016 |
Kausar N, Roy I, Chattopadhyay D, Das AR. 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 Rsc Advances. 6: 22320-22330. DOI: 10.1039/C6Ra00388E |
0.792 |
|
2015 |
Mukherjee P, Das AR. Facile synthesis of functionalized 6-cyano-2-oxa-7-azabicyclo[4.1.0]hept-3-en-1-yl acetates: A catalyst free approach to access the pyran fused 2-acetoxy-NH-aziridines Rsc Advances. 6: 132-139. DOI: 10.1039/C5Ra24510A |
0.595 |
|
2015 |
Kausar N, Ghosh PP, Pal G, Das AR. 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 Rsc Advances. 5: 60199-60207. DOI: 10.1039/C5Ra08776G |
0.795 |
|
2015 |
Mukherjee P, Paul S, Das AR. 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 New Journal of Chemistry. 39: 9480-9486. DOI: 10.1039/C5Nj01728A |
0.817 |
|
2015 |
Pradhan K, Paul S, Das AR. 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 Rsc Advances. 5: 12062-12070. DOI: 10.1039/C4Ra12618A |
0.788 |
|
2014 |
Uozumi Y, Sakurai F, Paul S, Pradhan K, Ghosh S, De SK, Das AR. C–N, C–O, and C–C Bond-Forming Reactions with NiFe2O4 Nanoparticles Synfacts. 10: 766-766. DOI: 10.1055/S-0034-1378302 |
0.697 |
|
2014 |
Roy I, Bhattacharyya A, Sarkar G, Saha NR, Rana D, Ghosh PP, Palit M, Das AR, Chattopadhyay D. In situ synthesis of a reduced graphene oxide/cuprous oxide nanocomposite: A reusable catalyst Rsc Advances. 4: 52044-52052. DOI: 10.1039/C4Ra08127G |
0.406 |
|
2014 |
Pal G, Paul S, Ghosh PP, Das AR. 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 Rsc Advances. 4: 8300. DOI: 10.1039/C3Ra46129G |
0.779 |
|
2014 |
Pal G, Paul S, Das AR. A facile and efficient synthesis of functionalized 4-oxo-2-(phenylimino) thiazolidin-5-ylideneacetate derivatives via a CuFe2O4 magnetic nanoparticles catalyzed regioselective pathway New Journal of Chemistry. 38: 2787-2791. DOI: 10.1039/C3Nj01608K |
0.803 |
|
2014 |
Pradhan K, Paul S, Das AR. 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 Catalysis Science & Technology. 4: 822-831. DOI: 10.1039/C3Cy00901G |
0.803 |
|
2014 |
Paul S, Pradhan K, Ghosh S, De SK, Das AR. 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 Tetrahedron. 70: 6088-6099. DOI: 10.1016/J.Tet.2014.02.077 |
0.777 |
|
2014 |
Pradhan K, Paul S, Das AR. 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 Monatshefte Fur Chemie. 145: 1343-1352. DOI: 10.1007/S00706-014-1195-8 |
0.8 |
|
2014 |
Paul S, Pradhan K, Ghosh S, De SK, Das AR. Magnetically retrievable nano crystalline nickel ferrite- catalyzed aerobic, ligand-free C-N, C-O and C-C cross-coupling reactions for the synthesis of a diversified library of heterocyclic molecules Advanced Synthesis and Catalysis. 356: 1301-1316. DOI: 10.1002/Adsc.201300686 |
0.728 |
|
2013 |
Ghosh PP, Das AR. 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. The Journal of Organic Chemistry. 78: 6170-81. PMID 23701231 DOI: 10.1021/Jo400763Z |
0.585 |
|
2013 |
Medda A, Pal G, Singha R, Hossain T, Saha A, Das AR. Expedient synthesis of biologically potent aryloxycoumarins and (aryloxyimino)ethylcoumarins via copper(II)-promoted chan-lam coupling reaction Synthetic Communications. 43: 169-181. DOI: 10.1080/00397911.2011.594544 |
0.712 |
|
2013 |
Pal G, Paul S, Das AR. 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 Synthesis (Germany). 45: 1191-1200. DOI: 10.1055/S-0032-1318494 |
0.797 |
|
2013 |
Paul S, Ghosh S, Bhattacharyya P, Das AR. Synthesis of a SO3H-bearing carbonaceous solid catalyst, PEG–SAC: application for the easy access to a diversified library of pyran derivatives Rsc Advances. 3: 14254-14262. DOI: 10.1039/C3Ra42352B |
0.796 |
|
2013 |
Ghosh PP, Mukherjee P, Das AR. 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 Rsc Advances. 3: 8220-8226. DOI: 10.1039/C3Ra40706C |
0.535 |
|
2013 |
Paul S, Pal G, Das AR. Three-component synthesis of a polysubstituted pyrrole core containing heterocyclic scaffolds over magnetically separable nanocrystalline copper ferrite Rsc Advances. 3: 8637-8644. DOI: 10.1039/C3Ra40571K |
0.808 |
|
2013 |
Bhattacharyya P, Paul S, Das AR. Facile synthesis of pyridopyrimidine and coumarin fused pyridine libraries over a Lewis base-surfactant-combined catalyst TEOA in aqueous medium Rsc Advances. 3: 3203-3208. DOI: 10.1039/C3Ra23254A |
0.793 |
|
2013 |
Pradhan K, Paul S, Das AR. 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 Tetrahedron Letters. 54: 3105-3110. DOI: 10.1016/J.Tetlet.2013.04.001 |
0.79 |
|
2013 |
Paul S, Das AR. Dual role of the polymer supported catalyst PEG-OSO3H in aqueous reaction medium: synthesis of highly substituted structurally diversified coumarin and uracil fused spirooxindoles Tetrahedron Letters. 54: 1149-1154. DOI: 10.1016/J.Tetlet.2012.12.079 |
0.817 |
|
2013 |
Ghosh PP, Paul S, Das AR. Light induced synthesis of symmetrical and unsymmetrical dihydropyridines in ethyl lactate–water under tunable conditions Tetrahedron Letters. 54: 138-142. DOI: 10.1016/J.Tetlet.2012.10.106 |
0.782 |
|
2012 |
Pal G, Bhattacharyya P, Medda A, Das AR. A new strategy for the one pot synthesis of (aryloxyimino)ethylcoumarins promoted by CuCl2 Journal of Chemical Research-S. 36: 5-8. DOI: 10.3184/174751912X13247245983221 |
0.737 |
|
2012 |
Ghosh PP, Pal G, Paul S, Das AR. 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 Green Chemistry. 14: 2691. DOI: 10.1039/C2Gc36021G |
0.744 |
|
2012 |
Paul S, Das AR. A new application of polymer supported, homogeneous and reusable catalyst PEG–SO3H in the synthesis of coumarin and uracil fused pyrrole derivatives Catalysis Science & Technology. 2: 1130-1135. DOI: 10.1039/C2Cy20117H |
0.782 |
|
2012 |
Das AR, Pal G, Bhattacharyya P, Ghosh AK, Mukherjee D, Bandyopadhyay D. Design and synthesis of coumarinyl 1,4-benzodioxanes as potential anti-oxidant Tetrahedron Letters. 53: 7060-7066. DOI: 10.1016/J.Tetlet.2012.10.057 |
0.469 |
|
2012 |
Pradhan K, Bhattacharyya P, Paul S, Das AR. 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 Tetrahedron Letters. 53: 5840-5844. DOI: 10.1016/J.Tetlet.2012.08.030 |
0.795 |
|
2012 |
Bhattacharyya P, Pradhan K, Paul S, Das AR. 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 Tetrahedron Letters. 53: 4687-4691. DOI: 10.1016/J.Tetlet.2012.06.086 |
0.808 |
|
2012 |
Ghosh PP, Das AR. Nano crystalline ZnO: a competent and reusable catalyst for one pot synthesis of novel benzylamino coumarin derivatives in aqueous media Tetrahedron Letters. 53: 3140-3143. DOI: 10.1016/J.Tetlet.2012.04.033 |
0.594 |
|
2012 |
Paul S, Das AR. An efficient green protocol for the synthesis of coumarin fused highly decorated indenodihydropyridyl and dihydropyridyl derivatives Tetrahedron Letters. 53: 2206-2210. DOI: 10.1016/J.Tetlet.2012.02.077 |
0.778 |
|
2011 |
Paul S, Bhattacharyya P, Das AR. One-pot synthesis of dihydropyrano[2,3-c]chromenes via a three component coupling of aromatic aldehydes, malononitrile, and 3-hydroxycoumarin catalyzed by nano-structured ZnO in water: a green protocol Tetrahedron Letters. 52: 4636-4641. DOI: 10.1016/J.Tetlet.2011.06.101 |
0.776 |
|
2010 |
Das AR, Medda A, Singha R. Synthesis of biologically potent new 3-(heteroaryl)aminocoumarin derivatives via Buchwald-Hartwig C-N coupling Tetrahedron Letters. 51: 1099-1102. DOI: 10.1016/J.Tetlet.2009.12.089 |
0.706 |
|
2008 |
Hwu JR, Chen CH, Hsu CI, Das AR, Li YC, Lin LC. Silicon-induced ene-type reaction in the thermal conversion of enolates to beta-silyl enones with molecular dioxygen. Organic Letters. 10: 1913-6. PMID 18433139 DOI: 10.1021/Ol800007V |
0.43 |
|
2008 |
Hwu JR, Singha R, Hong SC, Chang YH, Das AR, Vliegen I, De Clercq E, Neyts J. Synthesis of new benzimidazole-coumarin conjugates as anti-hepatitis C virus agents. Antiviral Research. 77: 157-62. PMID 17977606 DOI: 10.1016/J.Antiviral.2007.09.003 |
0.335 |
|
2005 |
Hwu JR, Das AR, Yang CW, Huang JJ, Hsu MH. 1,2-Eliminations in a novel reductive coupling of nitroarenes to give azoxy arenes by sodium bis(trimethylsilyl)amide. Organic Letters. 7: 3211-4. PMID 16018623 DOI: 10.1021/Ol050924X |
0.477 |
|
1996 |
Ranu BC, Majee A, Das AR. A convenient synthesis of β,γ-unsaturated ketones through zinc-mediated allylation of acid chlorides Tetrahedron Letters. 37: 1109-1112. DOI: 10.1016/0040-4039(95)02317-8 |
0.719 |
|
1995 |
Ranu BC, Majee A, Das AR. Facile and efficient synthesis of homoallylic alcohols using allyl bromide and commercial zinc dust Tetrahedron Letters. 36: 4885-4888. DOI: 10.1016/0040-4039(95)00877-F |
0.707 |
|
1994 |
Ranu BC, Das AR. Two-carbon ring expansion through free cyclobutylcarbinyl radical fragmentation Journal of the Chemical Society-Perkin Transactions 1. 921-922. DOI: 10.1039/P19940000921 |
0.48 |
|
1992 |
Chakraborty R, Das AR, Ranu BC. Ion Exchange Resin-Mediated Hydrolytic Cleavage of α-Nitroepoxides. Simple One-Pot Synthesis of α-Hydroxyketones Synthetic Communications. 22: 1523-1528. DOI: 10.1080/00397919208021623 |
0.485 |
|
1992 |
Ranu BC, Das AR. Silica gel-supported zinc borohydride. Part 3. Regioselective reductive cleavage of methylenecycloalkane oxides to the less-substituted alcohols Journal of the Chemical Society-Perkin Transactions 1. 1881-1882. DOI: 10.1039/P19920001881 |
0.54 |
|
1992 |
Ranu BC, Das AR. Selective reduction of carboxylic acids with zinc borohydride in the presence of trifluoroacetic anhydride Journal of the Chemical Society-Perkin Transactions 1. 1561-1562. DOI: 10.1039/P19920001561 |
0.529 |
|
1992 |
Ranu BC, Das AR. Highly selective reduction of 2-nitrocycloalkanones to 2-nitrocycloalkanols with zinc borohydride in DME Tetrahedron Letters. 33: 2361-2362. DOI: 10.1016/S0040-4039(00)74211-0 |
0.541 |
|
1991 |
Ranu BC, Das AR. Silica gel-supported zinc borohydride. 2. Regioselective 1,2-reduction of conjugated ketones and aldehydes to the corresponding allylic alcohols The Journal of Organic Chemistry. 56: 4796-4798. DOI: 10.1021/Jo00015A042 |
0.546 |
|
1990 |
Sarkar DC, Das AR, Ranu BC. Use of zinc borohydride as an efficient and highly selective reducing agent. Selective reduction of ketones and conjugated aldehydes over conjugated enones The Journal of Organic Chemistry. 55: 5799-5801. DOI: 10.1021/Jo00309A028 |
0.547 |
|
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