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Name : Tapan Kanti Paine

Department : School of Chemical Sciences
Designation : Senior Professor
Contact : +91 33 2473 4971 (Ext:1357)
Email :


Research Interests:

  • Development of functional models of O2-activating nonheme iron enzymes

  • Dioxygen activation and bioinspired oxidations by transition metal complexes

  • Mechanistic studies of the peroxide/O2-dependent transformation reactions mediated/ catalyzed by biomimetic complexes

  • Application of biomimetic complexes in aerobic degradation of organic pollutants

  • Development of non-platinum metal complexes with therapeutic potentials


Academic Profile

M. Sc. : Indian Institute of Technology, Kharagpur, 1998

Ph. D. : Max Planck Institute for Bioinorganic Chemistry, Muelheim an der Ruhr, Germany, 2003

Post Doctoral Research Associate : Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, USA, 2005

Visiting Faculty : Department of Inorganic Chemistry, IACS, Kolkata, 2006−2007

Assistant Professor : Department of Inorganic Chemistry, IACS, Kolkata, 2007-2012

Associate Professor : Department of Inorganic Chemistry, IACS, Kolkata, 2012-2016

Professor : Department of Inorganic Chemistry IACS, Kolkata, since January 2016



Mr. Subhankar Sutradhar

Senior Research Fellow (UGC)
M.Sc.: Integrated Ph.D. (IACS)(2017)
Research Project: Effect of Two or More Metal Centers on Catalytic Water Oxidation and Dioxygen Reduction by Nonheme Iron and Copper Complexes
Mr. Arghyadip Bhowmik

Senior Research Fellow (Institute)
M.Sc. : Integrated Ph.D. (IACS)(2019)
Ms. Eliza Ghosh

Senior Research Fellow (CSIR)
M.Sc : IIEST, Shibpur(2018)
Research Project:
Mr. Rajib Samanta

Senior Research Fellow (CSIR)
M.Sc. : NIT Rourkela (2020)
Research Project: Late Transition Metal-oxo Complexes
Mr. Sabyasachi Mahapatra

Senior Research Fellow (CSIR)
M.Sc. : Visva-Bharati University (2020)
Research Project: Sustainable catalysis using iron-complexes
Ms. Tania Mukherjee

Senior Research Fellow (CSIR)
M. Sc.: Jadavpur University (2020)
Research Project: Peroxide Dependent Selective Oxygenation of Hydrocarbons Catalyzed by Nonheme Iron Complexes
Ms. Amrita Maity

Junior Research Fellow (UGC)
M.Sc.: Vidyasagar University (2019) Research Project:
Mr. Prithaj Ghosh

Junior Research Fellow (UGC)
M.Sc.: IIT (ISM) Dhanbad (2022)
Mr. Asit Dutta

Junior Research Fellow (UGC)
M.Sc: Rani Rashmoni Green University (2022)
Dr. Madhubonti Pal

Research Associate- I
Ph.D: NIT Durgapur (2021)
Research Project: Immobilization of homogeneous catalyst on heterogeneous surface.
Dr. Poulami Pal

Research Associate- I (NPDF)
Ph.D.: Jadavpur University (2022)
Research Project: Visible Light Assisted Dioxygen Activation by Non-Heme Iron(II) Complexes: Mechanistic Studies and Catalytic Potentials
Dr. Pradip Bhunia

Research Associate- I
Research Associate- I
Ph.D.: University of Calcutta (2023)
Dr. Srijan Narayan Chowdhury

Research Associate- I
Research Associate- I
Ph.D.: NIT Sikkim (2024)
Ms. Sejuti Mukherjee

BS-MS Project
BS-MS 5th year Project Student
Ms. Shreetama Bhattarcharya

BS-MS Project
BS-MS 4th year.
Mr. Soumyadip Parya

MS/Int-Ph.D Project Student B.Sc.:Ramakrishna Mission Vivekananda Centenary College




Recent Publications



92. S Sutradhar, R Rahaman, S Bhattacharya, S Paul, TK Paine

"Oxygenolytic cleavage of 1, 2-diols with dioxygen by a mononuclear nonheme iron complex: Mimicking the reaction of myo-inositol oxygenase"

Journal of Inorganic Biochemistry, 112611


91. S Chatterjee, TK Paine

"Dioxygen Reduction and Bioinspired Oxidations by Non-heme Iron (II)− α-Hydroxy Acid Complexes"

Accounts of Chemical Research 56 (22), 3175-3187

90. Sachidulal Biswas, Srijan Narayan Chowdhury, Panjo Lepcha, Subhankar Sutradhar, Abhishek Das, Tapan Kanti Paine, Satadal Paul, Achintesh N Biswas

"Electrochemical generation of high-valent oxo-manganese complexes featuring an anionic N5 ligand and their role in O–O bond formation"

Dalton Transactions 52 (45), 16616-16630

89. A. Bera, D. Sheet,T. K. Paine,

"Iron(II)-α-keto acid complexes of tridentate ligands on gold nanoparticles: the effect of ligand geometry and immobilization on their dioxygen-dependent reactivity"
Dalton Trans., 2023,52, 1062-1073


88. R. D. Jana, B. Chakraborty , S. Paria, T. Ohta, R. Singh, S. Mandal, S. Paul, S. Itoh, and T. K. Paine,

"Dioxygen Activation and Mandelate Decarboxylation by Iron(II) Complexes of N4 Ligands: Evidence for Dioxygen-Derived Intermediates from Cobalt Analogues"

Inorg. Chem., 202261, 27, 10461-10476

87. S. Munshi, A. Sinha, S. Yiga, S. Banerjee, R. Singh, Md. K. Hossain, M. Haukka, A. F. Valiati, R. D. Huelsmann, E. Martendal, R. Peralta, F. Xavier, O. F. Wendt, T. K. Paine and  E. Nordlander

“Hydrogen-Atom and Oxygen-Atom Transfer Reactivities of Iron(IV)-Oxo Complexes of Quinoline-Substituted Pentadentate Ligands”

Dalton Trans., 202251, 870-884

86. I. Ghosh, B. Chakraborty, A. Bera, S. Paul and T. K. Paine,

“Selective Oxygenation of C-H and C=C Bonds with H2O2 by High-Spin Cobalt(II)-Carboxylate Complexes”

Dalton Trans., 202251, 2480-2492


85. R. D. Jana, A. Das, T. K. Paine,

"Enhancing Chemo- and Stereoselectivity in C-H Bond Oxygenation with H2O2 by Nonheme High-Spin Iron Catalysts: The Role of Lewis Acid and Multimetal Centers"

Inorg. Chem., 202160, 8, 5969-5979

84. S. Munshi, R. D. Jana, T. K. Paine

"Oxidative Degradation of Toxic Organic Pollutants by Water Soluble Nonheme Iron(IV)-Oxo-Complexes of Polydentate Nitrogen Donor Ligands"

Dalton Trans., 202150, 5590-5597

83. Ivy Ghosh, T. K. Paine,

“Functional Models for Dioxygen Activating Nonheme Monoiron Enzymes”

Comprehensive Coordination Chemistry-III (Third Edition), 2021Volume 8 (Bio-coordination Chemistry), 378-411


82. J. Deb, T. R. Lakshman, I. Ghosh, S. S. Jana, T. K. Paine,

“Mechanistic studies of in vitro anti-proliferative and anti-inflammatory activities of Zn(II)-NSAID complexes of 1,10-phenanthroline-5,6-dione”

Dalton Trans2020, 49, 11375-11384

81. M. Pal, M. Malhotra, M. K. Mandal, T. K. Paine, P. Pal,

“Recycling of wastewater from tannery industry through membrane-integrated hybrid treatment using a novel graphene oxide nanocomposite”

J. Water Process. Eng. 202036, 101324

80. S. Bhattacharya, R. Singh, T. K. Paine,

“Effect of Ligand Fields on the Reactivity of O2-Activating Iron(II)-Benzilate Complexes of Neutral N5 Ligands”

Chem. Asian J., 202015, 1360–1368

79. B. Chakraborty, I. Ghosh, R. D. Jana, T. K. Paine,

“Oxidative C-N Bond Cleavage of (2-Pyridylmethyl)amine-Based Tetradentate Supporting Ligands in Ternary Cobalt(II)-Carboxylate Complexes”

Dalton Trans. 2020, 49, 3463 - 3472

78. S. Banerjee, T. K. Paine,

“Bioinspired Iron(II)-b-Diketonate and Iron(II)-α-Hydroxy Ketone Complexes of a Carbanionic N3C Ligand: Oxidation of Metal Center vs C-C Bond Cleavage of Co-ligand with Dioxygen”

Inorg. Chim. Acta 2020501, 119200

77. S. Bhattacharya, T. R. Lakshman, S. Sutradhar, C. K. Tiwari, T. K. Paine,

“Bioinspired Oxidation of Oximes to Nitric Oxide with Dioxygen by a Nonheme Iron(II) Complex”

J. Biol. Inorg. Chem. 202025, 3-11


76. R. Rahaman, S. Munshi, S. Banerjee, B. Chakraborty, S. Bhunia, T. K. Paine,

“Dioxygen Reactivity of Iron(II)-Gentisate/1,4-Dihydroxy-2-naphthoate Complexes of N4 Ligands: Oxidative Coupling of 1,4-Dihydroxy-2-naphthoate”

Dalton Trans. 201948, 16993–17004

75. S. Banerjee, D. Sheet, S. Sarkar, P. Halder, T. K. Paine,

“Nickel Complexes of Ligands Derived from (o-Hydroxyphenyl) Dichalcogenide: Delocalised Redox States of Nickel and o-Chalcogenophenolate Ligand.”

Dalton Trans. 2019, 48, 17355–17363

74. S. Biswas, A. Mitra, S. Banerjee, R. Singh, A. Das,  T. K. Paine, P. Bandyopadhyay, S. Paul, A. N. Biswas,

“A High Spin Mn(IV)-Oxo Complex Generated via Stepwise Proton and Electron Transfer from Mn(III)-Hydroxo Precursor: Characterization and C-H Bond Cleavage Reactivity”

Inorg. Chem. 201958, 15, 9713-9722

73. I. Ghosh, S. Banerjee, S. Paul, T. Corona, T. K. Paine,

“Highly Selective and Catalytic Oxygenations of C-H and C=C Bonds by a Mononuclear Nonheme High-Spin Iron(III)-Alkylperoxo Species”

Angew. Chem. Int. Ed. 2019, 58, 12534 –12539 (Hot Paper)

72. D. Sheet, A. Bera, R. D. Jana, T. K. Paine,

“Oxidizing Ability of a Dioxygen-Activating Nonheme Iron(II)-Benzilate Complex Immobilized on Gold Nanoparticles”

Inorg. Chem. 201958, 4828−4841

71. R. Singh, G. Ganguly, S. Malinkin, S. Demeshko, F. Meyer, E. Nordlander, T. K. Paine,

“A Mononuclear Nonheme Iron(IV)-Oxo Complex on N4Py Platform: Selective Oxygen Atom Transfer and C-H Bond Activation”

Inorg. Chem. 2019, 58, 1862−1876

70. T. R. Lakshman, J. Deb, I. Ghosh, S. Sarkar, T. K. Paine,

“Combining Anti-proliferative and Anti-inflammatory Activities in Ternary Metal-NSAID Complexes of Polypyridylamine Ligand”

Inorg. Chim. Acta. 2019486, 663–668


69. R. Rahaman, S. Munshi, T. K. Paine,

“Bio-inspired Oxidation of 1-Aminocarboxylic Acids by a Nonheme Iron(II) Complex: Mimicking the Activity of 1-Aminocyclopropane-1-Carboxylic Acid Oxidase”

Z. Anorg. Allg. Chem. 2018, 644, 745–751

68. S. Chatterjee, S. Bhattacharya, T. K. Paine,

“Bioinspired Olefin cis-Dihydroxylation and Aliphatic C-H Bond Hydroxylation with Dioxygen Catalyzed by a Nonheme Iron Complex”

Inorg. Chem. 201857, 10160−10169

67. R. D. Jana, D. Sheet, S. Chatterjee, T. K. Paine,

“Aliphatic C-H Bond Halogenation by Biomimetic Iron(II)-α-Keto Acid Complexes: Functional Models of Nonheme Iron Halogenases”

Inorg. Chem. 2018, 57, 8769−8777

66. M. Pal, M. K. Mondal, T. K. Paine,  P. Pal,

“Purifying arsenic and fluoride-contaminated water by a novel graphene-based nanocomposite membrane of enhanced selectivity and sustained flux”

Environ. Sci. Pollut. Res201825, 16579–16589


65. K. K. Jana, V. K. Tiwari, D. K. Avasthi, T. K. Paine, P. Maiti,

“New Generation Fuel Cell Membrane Using Swift Heavy Ions”

ChemistrySelect 20172, 6413-6437

64. S. Bhattacharya, R. Rahaman, S. Chatterjee, T. K. Paine,

“Aliphatic C-C Bond Cleavage of α-Hydroxy Ketones by a Dioxygen- Derived Nucleophilic Iron-Oxygen Oxidant”

Chem.-Eur. J. 2017, 23, 3815 –3818.

63. B. Chakraborty, R. D. Jana, R. Singh, S. Paria, T. K. Paine,

“Reductive Activation of O2 by Nonheme Iron(II)-Benzilate Complexes of N4 Ligands: Effect of Ligand Topology on the Reactivity of O2-Derived Oxidants”

Inorg. Chem. 2017, 56, 359−371


62. R. Rahaman, B. Chakraborty, T. K. Paine,

“Mimicking the Aromatic Ring Cleavage Activity of Gentisate-1,2-Dioxygenase by a Nonheme Iron Complex”

Angew. Chem. Int. Ed. 201655, 13838 –13842

61. T. R. Lakshman, J. Deb, T. K. Paine,

“Anti-inflammatory Activity and Enhanced COX-2 Selectivity of NO-Donating Zn(II)-NSAID Complexes”

Dalton Trans. 201645, 14053 - 14057

60. D. Sheet, T. K. Paine,

“Catalytic Alcohol Oxidation and Oxygen Atom Transfer Reactions with O2 by a Nonheme Iron(II)-α-Keto Acid Complex”

Chem. Sci. 2016, 7, 5322–5331

59. T. R. Lakshman, S. Chatterjee, B. Chakraborty, T. K. Paine,

“Substrate-Dependent Aromatic Ring Fission of Catechol and 2-Aminophenol with O2 Catalyzed by a Nonheme Iron Complex of a Tripodal N4 Ligand”

Dalton Trans., 2016, 45, 8835–8844

58. S. Chatterjee, T. K. Paine,

“Hydroxylation vs Halogenation of Aliphatic C-H Bond by a Dioxygen-Derived Iron-Oxygen Oxidant: Functional Mimicking of Iron Halogenases”

Angew. Chem. Int. Ed. 201655, 7717 –7722


57. R. Rahaman, S. Paria, T. K. Paine,

“Aliphatic C–C Bond Cleavage of α-Hydroxy Ketones by Nonheme Iron(II) Complexes: Mechanistic Insight into the Reaction Catalyzed by 2,4¢-Dihydroxyacetophenone Dioxygenase”

Inorg. Chem. 201554, 10576-10586

56. S. Chatterjee, T. K. Paine,

“Oxygenation of Organoboronic Acids by a Nonheme Iron(II) Complex: Mimicking Boronic Acid Monooxygenase Activity”

Inorg. Chem. 201554, 9727-9732

55. S. Chatterjee, T. K. Paine,

“Olefin cis-Dihydroxylation and Aliphatic C-H Bond Oxygenation by a Dioxygen-Derived Electrophilic Iron-Oxygen Oxidant”

Angew. Chem. Int. Ed. 201554, 9338-9342

54. J. Deb, T. R. Lakshman,  T. K. Paine, S. S. Jana

“In-depth mechanistic study of a newly synthesized non-platinum-naproxen complex as an anti-cancer agent”

Annals of Oncology 2015, 26(suppl_9) Supplement 1:ix38.

53. D. Sheet, S. Bhattacharya, T. K. Paine

“Dioxygen Activation and Two Consecutive Oxidative Decarboxylations of Phenylpyruvate by Nonheme Iron(II) Complexes: Functional Models of  Hydroxymandelate Synthase (HMS) and CloR”

Chem. Commun. 201551, 7681-7684

52. S. Chatterjee, T. K. Paine,

“Oxygenative Aromatic Ring Cleavage of 2-Aminophenol with Dioxygen Catalyzed by a Nonheme Iron Complex: Catalytic Functional Model of 2-Aminophenol Dioxygenases”

Inorg. Chem. 201554, 1720-1727


51. O. Das, T. K. Paine,

“Copper Catalysts for Aerobic Oxidation of Alcohols”

Book Chapter, RSC Green Chemistry Book on “Transition Metal Catalysis in Aerobic Alcohol Oxidation”, Chapter 2, pp 40-69, 2014.

50. T. K. Paine, L. Que, Jr.

“Dioxygen Activation by Biomimetic Iron Complexes of a-Keto Acids and a-Hydroxy Acids”

Struct. Bond. 2014160, 39–56

49. S. Banerjee, P. Halder, T. K. Paine,

“Probing the Reactivity of Redox-Active 2-Aminophenolates on Iron Complexes of a Carbanionic N3C Donor Ligand.”

Z. Anorg. Allg. Chem. 2014, 640, 1168–1176 (Invited article for a special issue of ZAAC to honor Prof. C. N. R. Rao on the occasion of his 80th birthday)

48. B. Chakraborty, S. Bhunya, A. Paul, T. K. Paine,

“Reactivity of Biomimetic Iron(II)-2-Aminophenolate Complexes toward Dioxygen: Mechanistic Investigations on the Oxidative C-C Bond Cleavage of 2-Aminophenols”

Inorg. Chem. 2014, 53, 4899−4912

47. S. Paria, S. Chatterjee, T. K. Paine,

“Reactivity of an Iron-Oxygen Oxidant Generated upon Oxidative Decarboxylation of Biomimetic Iron(II)-α-Hydroxy Acid Complexes”

Inorg. Chem. 201453, 2810–2821


46. D. Sheet, P. Halder, T. K. Paine,

“Enhanced Reactivity of a Biomimetic Iron(II)-a-Keto Acid Complex through Immobilization on Functionalized Gold Nanoparticles”

Angew. Chem. Int. Ed. 2013, 52, 13314-13318

45. S. Chatterjee, D. Sheet, T. K. Paine,

“Catalytic and Regiospecific Extradiol Cleavage of Catechol by a Biomimetic Iron Complex”

Chem. Commun. 2013, 49, 10251-10253

44. B. Chakraborty, S. Maiti, T. K. Paine,

“Influence of Anion on the Network Structure of One Dimensional Silver(I) Coordination Polymers of Dicompartmental N,N-Donor Ligands”

Polyhedron 201352, 122-127 (Invited article for a special issue to mark the 100th anniversary of the award of the Nobel Prize in Chemistry to Professor Alfred Werner)

43. O. Das, T. Malakar, A. Mandal, A. Paul, T. K. Paine,

“Copper(II) Complexes of 3,4,5-Trisubstituted Pyrazolates: In Situ Formation of Pyrazole Rings from Different Carbon Centers”

Chem. Asian. J. 20138, 623-629

42. O. Das, S. Chatterjee, T. K. Paine,

“Functional Models of α-Keto Acid Dependent Nonheme Iron Oxygenases: Synthesis and Reactivity of Biomimetic Iron(II)-Benzoylformate Complexes Supported by a 2,9-Dimethyl-1,10-phenanthroline Ligand”

J. Biol. Inorg. Chem. 201318, 401-410

41. B. Chakraborty, T. K. Paine,

“Oxidative Ring Cleavage of 2-Amino-4-tert-butylphenol by a Nonheme Iron(II) Complex: Functional Model of 2-Aminophenol Dioxygenases”

Angew. Chem. Int. Ed. 201352, 920-924


40. O. Das, T. K. Paine,

“Mechanistic Studies of Copper(II)-Mediated Oxidation of vic-Dioxime to Furoxan”

J. Chem. Sci. 2012124, 1269-1273 (Invited article for a special MTIC-XIV issue)

39. B. Chakraborty, P. Halder, P. R. Banerjee, T. K. Paine,

“Oxidative C–C bond cleavage of α-ketoacids by cobalt(II) complexes of nitrogen donor ligands”

Eur. J. Inorg. Chem. 2012, 5843-5853

38. O. Das, T. K. Paine,

“Aerobic Oxidation of Primary Alcohols Catalyzed by Copper Complexes of 1,10-Phenanthroline-Derived Ligands”

Dalton Trans. 201241, 11476–11481

37. P. Halder, S. Paria, T. K. Paine,

“Dioxygen Reactivity of Biomimetic Iron-Catecholate and Iron-Aminophenolate Complexes of Tris(2-pyridylthio)methanido Ligand: Oxidative C–C Bond Cleavage of Catechol vs o-Iminobenzosemiquinonato Radical Formation”

Chem. Eur. J. 201218, 11778-11787

36. S. Paria, P. Halder, T. K. Paine,

“Oxidative C–C Bond Cleavage of α-Hydroxy Ketone by a Functional Model of 2,4¢-Dihydroxyacetophenone Dioxygenase”

Angew. Chem. Int. Ed. 201251, 6195–6199


35. O. Das, S. Chatterjee, T. K. Paine,

“Iron and cobalt complexes of 4,4,9,9-tetramethyl-5,8-diazadodecane-2,11-dione dioxime ligand: Synthesis, characterization and reactivity studies”

J. Chem. Sci. 2011123, 839–846 (Invited article for a special issue on the occasion of International Year of Chemistry)

34. S. Paria, L. Que, Jr., T. K. Paine,

“Oxidative Decarboxylation of Benzilic Acid by a Biomimetic Nonheme Iron(II) Complex: Evidence for an iron(IV)-oxo-hydroxo Oxidant from O2

Angew. Chem. Int. Ed.  201150, 11129–11132

33. O. Das, S. Paria, E. Zangrando, T. K. Paine,

“Copper(II)-Mediated Oxidative Transformation of vic-Dioxime to Furoxan: Evidence for a Copper(II)-Dinitrosoalkene Intermediate”

Inorg. Chem. 20115011375–11383

32. B. Chakraborty, T. K. Paine,

“Synthesis and characterization of cobalt(II)-salicylate complexes derived from N4-donor ligands: Stabilization of a hexameric water cluster in the lattice host of a cobalt(III)-salicylate complex”

Inorg. Chim. Acta 2011378, 231–238

31. P. Halder, T. K. Paine,

“Synthesis and characterization of cobalt complexes derived from tris(2-pyridylthio)methane ligand: Crystal structure of a cobalt(III) complex containing a cobalt–carbon bond’’

Indian J. Chem., 201150A, 1394–1402 (Invited article for a special issue dedicated to Acharya Prafulla Chandra Ray on the occasion of his 150th birth anniversary)

30. O. Das, E. Zangrando, T. K. Paine,

“Reactivity of Nickel(II)- and Copper(II) Complexes of  a b-Aminohydrazone Ligand with Pyridine-2-aldehyde: Macrocyclization vs Unprecedented Pyrazole Ring Synthesis via C–C Bond-Forming Reaction.”

Inorg. Chem. 201150, 8012–8019

29. S. Paria, P. Halder, B. Chakraborty, T. K. Paine,

“Iron(II)-catecholate complexes of a monoanionic facial N3 ligand: Structural and functional  models of the extradiol-cleaving catechol dioxygenases.”

Indian J. Chem., 2011, 50A, 420–426 (Invited article for a special issue on Bioinorganic Chemistry)

28. B. Chakraborty, P. Halder, T. K. Paine,

“Conformational supramolecular isomerism in one-dimensional silver(I) coordination polymer of a flexible bis(bidentate) N,N-donor ligand with p-xylyl spacer”

Dalton Trans. 201140, 3647–3654

27. T. K. Paine, D. Sheet, T. Weyhermüller, P. Chaudhuri,

“Iron(II) Mediated Reductive Cleavage of Disulfide and Diselenide Bonds: Iron(III) Complexes of Mixed O,X,O and O,X (X = S, Se) Donor Ligands.”

Eur. J. Inorg. Chem. 2011, 5250–5257

26. P. Halder, T. K. Paine,

“Rearrangement of the Tris(2-pyridylthio)methanido ligand in an Iron(II) Complex Containing an Fe–C Bond”

Inorg. Chem. 201150, 708–710


25. S. Karmakar, O. Das, S. Ghosh, E. Zangrando, M. Johann, E. Rentschler, T. Weyhermüller, S. Khanra, T. K. Paine,

“Hexanuclear copper(II) cage with {Cu3O∙∙∙H∙∙∙OCu3} core supported by a dicompartmental oxime ligand with m-xylyl spacer: synthesis, molecular structure and magnetic studies”

Dalton Trans. 201039, 10920–10927

24. S. Paria, P. Halder, T. K. Paine,

“A Functional Model of Extradiol-cleaving Catechol Dioxygenases: Mimicking the 2-His-1-Carboxylate Facial Triad”

Inorg. Chem. 201049, 4518–4523

23. T. K. Paine, S. Paria, L. Que, Jr.,

“Oxidative decarboxylation of α-hydroxy acids by a functional model of the non-heme iron oxygenase, CloR”

Chem. Commun. 201046, 1830–1832 (Hot article)

22. O. Das, N. N. Adarsh, A. Paul, T. K. Paine,

“Copper(II) and Nickel(II) Complexes of β-Aminoketoxime Ligand: Syntheses, Crystal Structures, Magnetism, and Nickel(II) Templated Coupling of Oxime with Nitrile”

Inorg. Chem. 201049, 541–551

21. A. Mukherjee, M. A. Cranswick, M. Chakrabarti, T. K. Paine, K. Fujisawa, E. Münck, L. Que, Jr.,

“Oxygen Activation at Mononuclear Nonheme Iron Centers: A Superoxo Perspective”

Inorg. Chem. 2010, 49, 3618–3628

20. P. Halder, E. Zangrando, T. K. Paine,

“Copper(II) α-hydroxycarboxylate complexes of bis(2-pyridylcarbonyl)amine ligand: From mononuclear complex to one-dimensional coordination polymer.”

Polyhedron 201029, 434–440 (2009 Young Investigator Special Issue)


19. P. Halder, A. Dey, T. K. Paine,

“Molecular and Electronic Structure of a Nonheme Iron(II) Model Complex Containing an Iron–Carbon Bond”

Inorg. Chem. 200948, 11501–11503

18. P. Halder, B. Chakraborty, P. R. Banerjee, E. Zangrando, T. K. Paine,

“Role of α-hydroxycarboxylic acids in the construction of supramolecular assemblies of nickel(II) complexes with nitrogen donor coligands”

CrystEngComm 200911, 2650–2659

17. P. Halder, E. Zangrando, T. K. Paine,

“Self-Assembly of silver(I) and bis-bidentate N,N-donor ligands: from a tetranuclear complex to coordination polymers”

Dalton Trans. 2009, 5386–5394

16. O. Das, E. Zangrando, T. K. Paine,

“Angular trinuclear copper(II) complexes of N4O-donor ligand: Syntheses, crystal structures and magnetic properties”

Inorg. Chim. Acta 2009362, 3617–3623


15. P. Halder, P. R. Banerjee, E. Zangrando, T. K. Paine,

“Effect of Ligand Spacer on Metallosupramolecular Architectures: From a Dinuclear Copper(II) Double Helicate to a Tetranuclear Copper(II) Complex”

Eur. J. Inorg. Chem. 2008, 5659–5665

14. O. Das, S. Paria, T. K. Paine,

“Copper(II)-mediated oxidation of 1,2-dioxime to furoxan”

Tetrahedron Letters 200848, 5924–5927


13. T. K. Paine, J. England, L. Que, Jr.,

“Iron-Catalyzed C2–C3 Bond Cleavage of Phenylpyruvate with O2: Insight into Aliphatic C–C Bond-Cleaving Dioxygenases”

Chem. -Eur. J200713, 6073–6081


12. T. K. Paine, M. Costas, J. Kaizer, L. Que, Jr.,

“Oxoiron(IV) complexes of the tris(2-pyridylmethyl)amine ligand family: effect of pyridine α-substituents.”

J. Biol. Inorg. Chem200611, 272–276

11. M. P. Mehn, S. D. Brown, T. K. Paine, W. W. Brennessel, C.  J. Cramer, J. C. Peters, L. Que, Jr.,

“High-spin and low-spin iron(II) complexes with facially-coordinated borohydride ligands”

Dalton Trans2006, 1347–1351


10. P. Chaudhuri, K. Wieghardt, T. Weyhermüller, T. K. Paine, S. Mukherjee, C. Mukherjee,

“Biomimetic Metal-Radical Reactivity: Aerial Oxidation of Alcohols, Amines, Aminophenols and Catechols Catalyzed by Transition Metal Complexes”

Biol. Chem. 2005, 386, 1023–1033. (Review article)

9. T. K. Paine, H. Zheng, L. Que, Jr.,

“Iron Coordination Chemistry of Phenylpyruvate: An Unexpected k3-Bridging Mode That Leads to Oxidative Cleavage of the C2–C3 Bond”

Inorg. Chem200544, 474–476


8. T. K. Paine, T. Weyhermüller, L. D. Slep, F. Neese, E. Bill, E. Bothe, K. Wieghardt, P. Chaudhuri,

“Non-Oxo Vanadium(IV) and Vanadyl(V) Complexes with Mixed O, X, O-Donor Ligands (X = S, Se, P, PO)”

Inorg. Chem. 200443, 7324–7338

7. T. K. Paine, T. Weyhermüller,  K. Wieghardt, P. Chaudhuri,

“Aerial oxidation of primary alcohols and amines catalysed by Cu(II) complexes of 2,2΄-selenobis(4,6-di-tert-butylphenol) providing [O, Se, O]- donor atoms”

Dalton Trans2004, 2092–2101


6. T. K. Paine, T. Weyhermüller, E. Bill, E. Bothe, P. Chaudhuri,

“Non-Oxo Vanadium(IV) Complexes of Amine(bisphenolate) [O,N,O] Donor Ligands and Solution Studies of Isostructural VIV and MnIV Complexes”

Eur. J. Inorg. Chem2003, 4299–4307

5. T. K. Paine, E. Rentschler, T. Weyhermüller, P. Chaudhuri,

“Polynuclear Nickel(II) Complexes: Preparation and Magnetic Properties of NiII4, NiII5, and NiII6 Species with Ligands containing OÇXÇO (X = S, Se or N) Donor Atoms”

Eur. J. Inorg. Chem. 2003, 3167–3178

4. T. K. Paine, T. Weyhermüller, E. Bothe, K. Wieghardt, P. Chaudhuri,

“Manganese complexes of mixed O, X, O-donor ligands (X = S or Se): Synthesis, characterization and catalytic reactivity”

Dalton Trans2003, 3136–3144


3. T. Weyhermüller, T. K. Paine, E. Bothe, E. Bill, P. Chaudhuri,

“Complexes of an aminebis(phenolate) [O,N,O] donor ligand and EPR studies of isoelectronic, isostructural Cr(III) and Mn(IV) complexes”

Inorg. Chim. Acta  2002337, 344–356

2. T. K. Paine, T. Weyhermüller, K. Wieghardt, P. Chaudhuri,

“The Methanol-Methanolate CH3OH•••OCH3¯ Bridging Ligand: Tuning of Exchange Coupling by Hydrogen Bonds in Dimethoxo-Bridged Dichromium(III) Complexes”

Inorg. Chem.  200241, 6538–6540


1. T. K. Paine, T. Weyhermüller, E. Bill, K. Wieghardt, P. Chaudhuri,

“Synthesis and Reactivity Study of Trinuclear Cu(II)-Complex of 2,2΄-Selenobis(2,4-di-t-butylphenol) Ligand”

J. Inorg. Biochem. 200186, 368



Integrated PhD Course:

CH-413: Inorganic Chemistry-I (Structure and Reactivity of Inorganic Compounds)

CH-423: Inorganic Chemistry-II (Bonding, Spectra and Magnetism of Coordination Compounds, Organometallic Chemistry)

CH-416: Techniques in Chemistry-I (Mass Spectrometry, NMR Spectroscopy, Electroanalytical and Thermoanalytical Methods, Chromatographic Techniques)

CH-513: Inorganic Chemistry-III (Macrocyclic Chemistry, Supramolecular Chemistry, Bioinorganic Chemistry)

CH-417: Inorganic Chemistry Lab-I

CH-427: Inorganic Chemistry Lab-II

PhD Course:

PhD 07: Concepts, Models and Techniques in Chemistry

PhD 08: Topics in Inorganic Chemistry

Open Positions

Project Students Alumni

Project Students Alumni

  • Mr. Priya Ranjan Banerjee, Project Student (Integrated PhD): 2007-2008

  • Ms. Satamita Samanta, Project Student (Integrated PhD): 2007-2008

  • Mr. Subhamoy Ghosh, Project Student (Integrated PhD): 2008-2009

  • Ms. Sohini Bose, Project Fellow: 2008-2009

  • Mr. Arghya Mandal, Summer Project Fellow, 2010  

  • Mr. Subhadip Maiti, Project Student (Integrated PhD): 2011-2012

  • Ms. Sarmistha Bhunia, Project Student (Integrated PhD): 2014-2015

  • Mr. Chandan Kumar Tiwari (Integrated PhD): 2015-2016

  • Mr. Subhas Sarkar (Integrated PhD): 2017-2018

  • Ms. Arismita De (BS-Ms): 2019

  • Mr. Swarnab Kundu (Integrated PhD): 2019-2020

  • Mr. Rahul Sutradhar (Integrated PhD): 2020-2021


Chemical Research Society of India (CRSI) Bronze Medal-2019

Indian Chemical Society, Professor B. N. Ghosh 80th Birthday Commemoration Award, 2018  

Editorial Advisory Board Member of Inorganic Chemistry, since 2018

Editorial Advisory Board Member of the Journal of Biological Inorganic Chemistry (JBIC), since 2016

A. V. Rama Rao Foundation Young Scientist Award–2012

INSA Medal for Young Scientist–2011



Group News


TKP Group (2017)

Back Row (Left to Right): Reena, Shrabanti, Abhijit, Rubina, Geetika, TKP, Sourav, Krishna, Ivy, Rahul

Front Row (Left to Right): Subhankar, Sandip, Sridhar, Abhishek





Group Activities
















Group Outing 2017: Darjeeling and Mirik


Group Picnic 2017: Jamgram


Group Outing 2015: Ghatshila


Group Picnic 2014: Jamgram


Group TKP 2012


Group Outing 2011: Chandipur



TKP Group (2017)

Back Row (Left to Right): Reena, Shrabanti, Abhijit, Rubina, Geetika, TKP, Sourav, Krishna, Ivy, Rahul

Front Row (Left to Right): Subhankar, Sandip, Sridhar, Abhishek





Group Activities















Group Outing 2017: Darjeeling and Mirik


Group Picnic 2017: Jamgram


Group Outing 2015: Ghatshila


Group Picnic 2014: Jamgram


Group TKP 2012


Group Outing 2011: Chandipur