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59. Jana, S.; Verma, A.; Kadu, R.; Kumar, S. ʺVisible-Light-Induced Oxidant and Metal-Free Dehydrogenative Cascade Trifluoromethylation and Oxidation of 1,6-Enynes with Waterʺ, Chem. Sci. 2017, 8, 6633. DOI: 10.1039/C7SC02556D. |
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18. Kumar, S.; Johansson, H.; Kanda, T.; Engman, L.; Muller, T.; Bergenudd, H.; Jansson, M.; Pedulli, G. F.; Amorati Riccardo; Valgimigli, L. ʺCatalytic Chain Breaking Pyridinol Antioxidants: Mechanistic Studyʺ, J. Org. Chem. 2010, 75, 716. Abstract (DOI: 10.1021/jo902226t)
17. Kumar, S.; Helt, J.-C. P.; Autschbach J.; Detty, M. R. ʺA New Reaction for Organoselenium Compoundsʺ, Organometallics 2009, 28, 3426. Abstract (DOI: 10.1021/om900134p)
16. Kumar, S.; Johansson. H.; Kanda, T.; Engman, L.; Muller, T.; Jansson, M.; Pedulli, G. F.; Petrucci, S.; Valgimigli, L. ʺCatalytic Chain Breaking Pyridinol Antioxidantsʺ, Org. Lett. 2008, 10, 4285. Abstract (DOI: 10.1021/ol801983n)
15. Kumar, S.; Engman, L. Valgimigli, L.; Amorati, R.; Fumo, M. G.; Pedulli, G. F. ʺAntioxidant Profile of Ethoxyquin and Some of its S, Se Te Analoguesʺ, J. Org. Chem. 2007, 72, 6046. Abstract (DOI: 10.1021/jo0705465)
14. Kumar, S.; Johansson. H. ; Engman, L. Valgimigli, L.; Amorati, R.; Fumo, M. G.; Pedulli, G. F. ʺRegenerable Chain-Breaking 2,3 Dihydrobenzo[b]selenophene-5-ol Antioxidantsʺ, J. Org. Chem. 2007, 72, 2583. Abstract (DOI: 10.1021/jo0700023)
13. Kumar, S.; Panda S.; Singh, H. B.; Wolmershauser, G.; Butcher R. J. ʺStructural Aspects of Some Organoselenium Compoundsʺ, J. Struct. Chem. 2007, 18, 127. Abstract ( DOI: 10.1007/s11224-006-9082-5)
12. Kumar, S.; Engman, L. ʺMicrowave assisted preparation of diaryl dichalcogenidesʺ, J. Org. Chem. 2006, 71, 5400.
11. Engman, L.; McNaughton, M.; Gajewska, M.; Kumar, S.; Birmingham, A.; Powis, G. ʺThioredoxin Reductase and Cancer Cell Growth Inhibition by Organogold(III) Compoundsʺ, Anti Cancer Drugs 2006, 17, 539. Abstract
10. Kumar, S.; Singh, H. B.; Wolmershauser, G. ʺProtection Against Peroxynitrite-Mediated Nitration Reaction by Intramolecular Coordinated Diorganoselenidesʺ, Organometallics 2006, 25, 382. Abstract (DOI: OM050353C)
9. Kumar, S.; Singh, H. B. ʺThiol Peroxidase-like Activity of Some Intramolecularly Coordinated Diorganyl Diselenidesʺ, Journal of Chemical Sciences, Indian Academy of Sciences 2005, 117, 621. Abstract
8. Kumar, S.; Singh, H. B.; Wolmershauser, G. ʺSynthesis and Characterization of Bis[2-(2-Phenyl-5,6-dihydro-4H-1,3-oxazinyl)] Ditelluride: Crystal Structure of [2-(2-Phenyl-5,6-dihydro-4H-1,3-oxazinyl)] Tellurinyl Chlorideʺ, J. Organomet. Chem. 2005, 690, 3149. Abstract (DOI:10.1016/j.jorganchem.2005.04.006)
7. Kumar, S.; Singh, H. B.; Wolmershauser, G. ʺProtection against Peroxynitrite-Mediated Nitration Reaction by Intramolecularly Coordinated Diorganylselenidesʺ, Phosphorus, Sulfur, and Silicon and the Related Elements 2005, 180, 1091. Abstract (DOI: 10.1080/10426500590904816)
6. Kumar, S.; Kandasamy K.; Singh, H. B.; Wolmershauser, G.; Butcher R. J. ʺReaction of Intra Molecularly Coordinated (2-Phenyl-5,6-dihydro-4H-1,3-oxazinyl)lithium Polyselenolate with Electrophiles and Reaction of Triselendes with Halogenating Reagents: Ring Size Effect on Reactivity and Se...N Interactions in Low-valent Organoselenium Compoundsʺ, Organometallics 2004, 23, 4199.
5. Kumar, S.; Tripathi, S. K.; Singh, H. B.; Wolmershauser, G. ʺSynthesis, Reactivity, Electrochemical and Crystal Structure Studies of Ferrocenoyl Diselenide and Ferrocenoyl Selenidesʺ, J. Organomet. Chem. 2004, 689, 3064. Abstract (DOI:10.1016/j.jorganchem.2004.06.054)
4. Kumar, S.; Kandasamy, K.; Singh, H. B.; Butcher R. J. ʺSynthesis of Organochalcogens Stabilized by Intramolecular Nonbonded Interactions of Sterically Unhindered 2-Phenyl-2-oxazolineʺ, New J. Chem. 2004, 28, 640. Abstract (DOI: 10.1039/b312364b)
3. Kandasamy, K.; Kumar, S.; Singh, H. B.; Butcher R. J.; Holman, K. T. ʺSynthesis, Structural Characterization and Fluorescence Properties of Organoselenium Compounds Bearing a Ligand Containing Both Steric and Nonbonded Interacting Groups. First Unusual Observation of Both Se...N and Se...O Intramolecular Interactions in a Diselenide Structureʺ, Eur. J. Inorg. Chem. 2004, 1014. Abstract (DOI: 10.1002/ejic.200300603)
2. Kandasamy, K.; Kumar, S.; Singh, H. B.; Wolmershauser, G. ʺInfluence of Both Steric and Te...N Intramolecular Nonbonded Interactions on the Stabilization of Organotellurium Compounds Incorporating [2-[1-(3,5-Dimethylphenyl)-2-naphthyl]-4,5-dihydro-4,4- dimethyloxazole]ʺ, Organometallics 2003, 22, 5069. Abstract (DOI: OM0340948)
1. Mugesh, G.; Panda, A.; Kumar, S.; Apte, S. D.; Singh, H. B.; Butcher R. J. ʺIntramolecularly Coordinated Diorganyl Ditellurides: Thiol Peroxidase-like Antioxidantsʺ, Organometallics 2002, 21, 884. Abstract (DOI: OM010759Z) |
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41. Kumar, A.; Sattar, M.; Verma, A.; Dara, A.; Kumar, S. ʺDouble Functionalization of 2-Amino-2′-hydroxy-1,1′-biaryls: Synthesis of 4-Nitro-dibenzofurans and Benzofuro-indolesʺ, RSC Adv. 2015, 5, 4428. DOI: 10.1039/C5RA07328F |
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42. Yadav, A.; Verma, A.; Patel, S.; Kumar, A.; Rathore, V.; Meenakshi, Kumar, S.; Kumar, S. ʺKOtBu-Mediated annulation of acetonitrile with aldehyde: synthesis of substituted dihydropyridin-2(1H)-ones, pyridin-2(1H)-ones, and thiopyridin-2(1H)-onesʺ, Chem. Commun. 2015, 51, 11658. DOI: 10.1039/C5CC02964C |
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40. Kumar, S.; Rathore, V.; Verma, A.; Prasad, C. D.; Kumar, A.; Yadav, A.; Jana, S.; Sattar, M.; Meenakshi, Kumar, S. ʺKOtBu-Mediated Aerobic Transition-Metal-Free Regioselective β-Arylation of Indoles: Synthesis of β-(2-/4-Nitroaryl)-indolesʺ, Org. Lett. 2015, 17, 82. DOI: 10.1021/ol503274z |
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39. Verma, A.; Patel, S.; Meenakshi, Kumar, A.; Yadav, A.; Kumar, S.; Jana, S.; Sharma, S.; Prasad, C. D.; Kumar, S. ʺTransition Metal Free Intramolecular Selective Oxidative C(sp3)-N Coupling: Synthesis of N-Aryl-isoindolinones from 2-Alkylbenzamidesʺ, Chem. Commun. 2015, 51, 1371. DOI:10.1039/C4CC08717H One of Most Read Article in Dec 2014! |
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38. Kumar, A.; Yadav, A.; Verma, A.; Jana, S.; Sattar, M.; Kumar, S.; Prasad, C. D.; Kumar, S. ʺChemoselective Arylation of Phenols with Bromo-nitroarenes: Synthesis of Nitro-biaryl-ols and Their Conversion into Benzofurans and Carbazolesʺ, Chem. Commun. 2014, 50, 9481. DOI: 10.1039/C4CC03090G |
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37. Bhakuni, B. S.; Yadav, A.; Kumar, S.; Patel, S.; Sharma, S.; Kumar, S. ʺKOtBu-Mediated Synthesis of Dimethylisoindolin-1-ones and Dimethyl-5-phenylisoindolin-1-ones: Selective C-C Coupling of Unreactive tert-sp3 C-H Bondʺ, J. Org. Chem. 2014, 79, 2944. This work highlighted in SYNFACTS; in ACS Select Issue; Selected by JOC Editorial for Recent Advances in C-H Functionalization DOI: 10.1021/jo402776u |
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36. Balkrishna, S. J.; Hodage, A. S.; Kumar, S.; Panini, P.; Kumar, S. ʺSensitive and Regenerable Organochalcogen Probes for the Colorimetric Detection of Thiolsʺ, RSC Adv. 2014, 4, 11535. Hot Articles DOI:10.1039/C4RA00381K |
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35. Kumar, A; Kumar, S. ʺConvenient and Efficient Copper-Catalyzed Synthesis of Unsymmetrical Diaryl Chalcogenides from Arylboronic Acid in Ethanol at Room Temperatureʺ, Tetrahedron 2014, 70, 1763. DOI:10.1039/C4OB00027G |
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34. Balkrishna, S. J.; Shukla, R.; Jasinski, J. P.; Kumar, S. ʺCrystal Structure Studies on Some of Benzamide Ring Substituted Isoselenazolones and Symmetric Diaryl Monoselenides Derived from Benzamidesʺ, Proceedings of the National Academy of Sciences, India Section A: Physical Sciences 2014, 84, 165. DOI: 10.1007/s40010-014-0129-5 |
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33. Balkrishna, S. J.; Kumar, S.; Azad, G. K.; Bhakuni, B. S.; Panini, P.; Ahalawat, N.; Tomar, R. S.; Detty, M. R.; Kumar, S. ʺAn Ebselen like Catalyst with Enhanced GPx Activity via a Selenol Intermediateʺ, Org. Biomol. Chem. 2014, 12, 1215. DOI: 10.1039/C4OB00027G |
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32. Bhakuni, B. S.; Yadav, A.; Kumar, S.; Kumar, S. ʺAMVN-Initiated Expedient Synthesis of Biaryls by the Coupling Reaction of Unactivated Arenes and Heteroarenes with Aryl Iodidesʺ, New J. Chem. 2014, 38, 827. DOI: 10.1039/C3NJ01105D |
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31. Prasad, C. D.; Kumar, S.; Sattar, M.; Adhikary, A.; Kumar, S. ʺMetal Free Sulfenylation and Bis-Sulfenylation of Indoles: Persulfate Mediated Synthesis in Methanolʺ, Org. Biomol. Chem. 2013, 11, 8036. DOI: 10.1039/c3ob41601a |
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30. Lu, J.; Vodnala, S. K.; Gustavsson, A.-L.; Gustafsson, T. N.; Sjoberg, B.; Johansson, H. A.; Kumar, S.; Tjernberg, A.; Engman, L.; Rottenberg M. E.; Holmgren A. ʺEbsulfur is a Benzisothiazolone Cytocidal Inhibitor Targeting the Trypanothione Reductase of Trypanosoma Bruceiʺ, J. Biol. Chem. 2013, 288, 27456. DOI: 10.1074/jbc.M113.495101 |
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29. Balkrishna, S. J.; Kumar, A.; Panini, P.; Kumar, S.; Kumar, S. ʺSynthesis, Characterization and Crystal Structure of 2-((4-Bromophenyl)carbamoyl)phenylselenenyl Bromide Derived from an Oxidative Addition of Bromine to 2-Phenyl-1,2-benzoisoselenazol-3-(2H)-oneʺ, Indian Journal of Chemistry, Section A 2013, 52A, 1078. DOI: 10.1007/s40010-014-0129-5 |
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28. Kumar, A.; Bhakuni, B. S.; Prasad, D. C.; Kumar, S.; Kumar, S. ʺPotassium tert-Butoxide-Mediated Synthesis of Unsymmetrical Diaryl Ethers, Sulfides, and Selenides from Aryl Bromidesʺ, Tetrahedron 2013, 69, 6383-5392. Abstratct (DOI:10.1016/j.tet.2013.04.113) |
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26. Prasad, C. D.; Balkrishna, S. J.; Kumar, A.; Bhakuni, B. S.; Shrimali, K.; Biswas, S.; Kumar, S. ʺTransition Metal Free Synthesis of Unsymmetrical Diaryl Chalcogenides from Arenes and Diaryl Dichalcogenidesʺ, J. Org. Chem. 2013, 78, 1434. DOI:10.1021/jo302480j |
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27. Bhakuni, B. S.; Shrimali, K.; Kumar, A.; Kumar S. ʺPotassium tert-butoxide Mediated Synthesis of Phenanthridinoneʺ, Organic Syntheses Collective Volume, 2013, 90, 164-173. Synthetic procedure |
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25. Balkrishna S. J; Prasad, C. D.; Panini, P.; Detty, M. R.; Chopra, D.; Kumar, S. ʺIsoselenazolones as Catalysts for the Activation of Bromine: Bromolactonization of Alkenoic Acids and Oxidation of Alcoholsʺ, J. Org. Chem. 2012, 77, 9541. DOI: 10.1021/jo301486c |
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24. Bhakuni, B. S.; Kumar, A.; Balkrishna, S. J.; Sheikh, J. A.; Konar, S.; Kumar, S. ʺKOtBu Mediated Synthesis of Phenanthridinones and Dibenzoazepinonesʺ, Org. Lett. 2012, 14, 2838. DOI: 10.1021/ol301077y |
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23. Balkrishna, S. J.; Kumar S. ʺA Highly Efficient Copper Catalyzed Methodology for the Synthesis of 2-Hydroxy-benzamides in Waterʺ, Synthesis 2012, 44, 1417. DOI/10.1055/s-0031-1289755 |
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21. Azad, G. K.; Balkrishna, S. J.; Narayanan, S.; Kumar, S.; Tomar, R. S. ʺMultifunctional Ebselen Drug Function Through the Activation of DNA Damage Response and Alterations in Nuclear Proteinsʺ, Biochem. Pharmacol. 2012, 83, 296. DOI: 10.1016/j.bcp.2011.10.011 |
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22. Bhakuni, B. S.; Balkrishna, S. J.; Kumar, A. Kumar S. ʺAn Efficient Copper Mediated Synthetic Methodology for Benzo[d]isothiazol-3(2H)-ones and Related Sulfur-Nitrogen Heterocyclesʺ, Tetrahedron Lett. 2012, 53, 1354. DOI: 10.1016/j.tetlet.2012.01.003 |
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20. Balkrishna, S. J.; Bhakuni, B. S.; Kumar S. ʺCopper Catalyzed/Mediated Synthetic Methodology for Ebselen and Related Isoselenazolonesʺ, Tetrahedron 2011, 67, 9565. DOI: 10.1016/j.tet.2011.09.141 |
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19. Balkrishna, S. J.; Bhakuni, B. S.; Chopra, D.; Kumar S. ʺCu-Catalyzed Efficient Synthetic Methodology for Ebselen and Related Se-N Heterocyclesʺ, Org. Lett. 2010, 12, 5394. Abstract (DOI: 10.1021/ol102027j) |
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43. Jana, S.; A. Asokan; Kumar, S.; Verma, A.; Kumar, S. ʺCopper-Catalyzed Trifluoromethylation of Alkenes: Synthesis of Trifluoromethylated Benzoxazinesʺ, Org. Biomol. Chem. 2015, 13, 8411. DOI: 10.1039/C5OB01196E |
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44. Prasad, C. D.; Verma, A.; Sattar, M.; Kumar, S. ʺSilver Mediated Thio-Acetoxylation and TFA Triggered Cyclization of Amino Disulfides with Unactivated Alkenes: Synthesis of 3-Aryl/Alkyl-1,4-benzothiazinesʺ, RSC Adv. 2015, 5, 75881. DOI: 10.1039/C5RA12995H |
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45. Sattar, M.; Praveen, Prasad, C. D.; Verma, A.; Kumar, S.; Kumar, S. ʺPalladium-Catalyzed C-H Functionalization of Ferrocene Carboxylic Acid by using 8-Aminoquinoline as a Removable Directing Groupʺ, Adv. Synth. Catal. 2016, 358, 240. DOI: 10.1002/adsc.201500791 |
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46. Patel, S.; Meenakshi, Hodage, A. S.; Verma, A.; Agrawal, S.; Yadav, A.; Kumar, S. ʺSynthesis and Structural Characterization of Monomeric Mercury(II) Selenolate Complexes Derived from 2-Phenylbenzamide Ligandsʺ, Dalton Trans. 2016, 45, 4030. DOI: 10.1039/C5DT04356E |
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47. Kumar, S.; Yan, J.; Poon, J.-F.; Singh, V. P.; Lu, X.; Ott, M. K.; Engman, L.; Kumar, S. ʺMultifunctional Antioxidants-Regenerable Radical-Trapping and Hydroperoxide Decomposing Ebselenolsʺ, Angew. Chem. Int. Ed. 2016, 55, 3729. DOI: 10.1002/anie.201510947 |
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48. Verma, A.; Jana, S.; Prasad, C. D.; Yadav, A.; Kumar, S. ʺOrganoselenium and DMAP Co-Catalysis: Regioselective Synthesis of Medium-Sized Halolactones and Bromooxepanes from Unactivated Alkenesʺ, Chem. Commun. 2016, 52, 4179. DOI: 10.1039/C5CC10245F |
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51. Verma, A.; Kumar, S. ʺSelective Oxidative Decarbonylative Cleavage of Unstrained C(sp3)-C(sp2) Bond: Synthesis of Substituted Benzoxazinonesʺ, Org. Lett. 2016, 18, 4388 (open access). DOI: 10.1021/acs.orglett.6b02142 |
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53. Rathore, V; Sattar, M.; Kumar, R.; Kumar, S. ʺSynthesis of Unsymmetrical Diaryl Acetamides, Benzofurans, Benzophenones, and Xanthenes by Transition Metal-Free Oxidative Cross Coupling of sp3 and sp2 C-H Bondsʺ, J. Org. Chem. 2016, 81, 9206. DOI: 10.1021/acs.joc.6b01771. |
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49. Balkrishna, S. J.; Kumar, S.; Kumar, A.; Panini, P.; Kumar, S. ʺCinchona-Alkaloids Based Isoselenazolones: Synthesis and Their Catalytic Reactivity in Asymmetric Bromolactonization of Alkenoic Acidʺ (Theme issue: Organometallic Chemistry), The Proceedings of the National Academy of Sciences India (PNASI) Section-A; Physical Sciences 2016, 86, 589-600. DOI: 10.1007/s40010-016-0306-9 (invited article) |
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50. Gupta, A.; Kumar, S.; Singh H. B. ʺStructural and Reactivity Aspects of Organoselenium and Tellurium Cations (Review Article)ʺ (Theme issue: Organometallic Chemistry), The Proceedings of the National Academy of Sciences India (PNASI) Section-A; Physical Sciences 2016, 86, 465-498. DOI: 10.1007/s40010-016-0301-1 (invited article) |
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52. Kumar, S.; Kadu, R.; Kumar, S. ʺRegioselective Transition Metal- and Halogen-Free Direct Dithiolation at C(sp3)-H of Nitrotoluenes with Diaryl Disulfidesʺ, Org. Biomol. Chem. 2016, 14, 9210. DOI: 10.1039/c6ob01856d. |
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55. Prasad, C. D.; Sattar, M.; Kumar, R.; Kumar, S. ʺTransition-Metal-Free Selective Oxidative C(sp3)-S/Se Coupling of Oxindoles, Tetralone, Arylacetamides: Synthesis of Unsymmetrical Organochalcogenidesʺ, Org. Lett. 2017, 19, 774-777. DOI: 10.1021/acs.orglett.6b03735. |
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57. Sattar, M.; Rathore, V.; Prasad, C. D.; Kumar, S. ʺTM Free Chemoselective Oxidative C-C Coupling of sp3 C-H Bond of Oxindoles with Arenes and Addition to Alkene: Synthesis of 3-Aryl Oxindoles, Benzofuro- and Indolo-indolesʺ, Chem. Asian J. 2017, 12, 734-743. |
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58. Kumar, S.; Singh H. B. ʺOrganoselenium Cations: Structure Reactivity and Applicationʺ Book Chapter in RSC ʺOrganoselenium Compounds in Biology and Medicine: Synthesis Biological and Therapeutic Treatmentsʺ, 2017, page 150-177. ISBN: 978-1-78801-029-0. |
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54. Sharma, N.; Kumar, S.; Maurya, I. K.; Bhasin, K. K.; Verma, A.; Wangoo, N.; Bhasin, A. K. K.; Mehta, S. K.; Kumar, S.; Sharma, R. K. ʺSynthesis, Structural Analysis, Antimicrobial Evaluation and Synergistic Studies of Imidazo[1,2-a]pyrimidine Chalcogenidesʺ, RSC Adv. 2016, 6, 114224. DOI: 10.1039/C6RA24 020H. |
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56. Kumar, S.; Sharma, N.; Maurya, I. K.; Verma, A.; Kumar, S.; Bhasin, K. K.; Sharma, R. K. ʺInsights into Selenylation of Imidazo[1,2-a]pyridine: Synthesis, Structural and Antimicrobial Evaluationʺ, New J. Chem. 2017, 41, 2919. DOI: 10.1039/C7NJ00338B. |
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60. Sattar, M.; Kumar, S. ʺPalladium-Catalyzed Removable 8-Aminoquinoline Assisted Chemo- and Regioselective Oxidative sp2-C-H/sp3-C-H Cross-Coupling of Ferrocene with Toluene Derivativesʺ, Org. Lett. 2017, 19, 5960. DOI: 10.1021/acs.orglett.7b02968. |
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Publications up to 2017 |
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Sangit Research Group Department of Chemistry IISER Bhopal Publications
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