Govt. of West Bengal
Bethune College
Bethune College


Dr. Bimal Kumar Dirghangi

General Information
Department Chemistry
Designation Associate Professor
Qualification M.Sc.
Specialization Inorganic Chemistry


1st January 1995 to 03rd July 2000 in the Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta - 700 032, INDIA under the Supervision of Professor Animesh Chakravorty.


  • A Triad of Variable-Valent Rhenium Aldimine and Amide Systems Interrelated by Successive Oxygen Atom Transfer
    Inorg. Chem.1997, 36, 1095
  • Hydrogen-Bonded Oximate-Oxime Chelation and Variable Metal Valence. Syntheses and Structures of RuCl2(L)(HL)z (HL = PhC(NOH)NNPh; z = 1-, 0)
    Inorg. Chem.1997, 36, 1526
  • Variable-Valent Re=NAr Species. A Family of ReVINAr Amide Complexes and their ReVNAr Imine Precursors Related by Oxygen Atom Transfer
    Inorg. Chem.1997, 36, 3595
  • Pyridine-2-carboxamide complexes of arylimidorhenium(VI) derived from 2-pyridylmethylene amine complexes of arylimidorhenium(V) via oxygen-atom transfer
    J. Chem. Soc., Dalton Trans., 1997,2149
  • Synthesis, structure and redox behavior of facial [ReIIIL(PPh3)Cl3] and its stereoretentive conversion to [ReIVL'(PPh3)Cl3] via metal promoted aldimine-amide oxidation .[ L = pyridine-2-aldimine; L' = pyridine-2-carboxamide].
    J. Chem. Soc. Dalton Trans. 1999, 155.

Post-doctoral Publications

  • Rhenium(V)-arylimide species incorporating pyridine-2-aldimine chelation
    ActaCryst. 199955c, 2000. (Independent Publication)
  • Synthesis, structure and properties of [ReVL(O)Cl3], [ReVL(NAr)Cl3], [ReIIIL(OPPh3)Cl3] and [ReIIIL(PPh3) [L = 1-methyl-2-(arylazo)imidazole]
    J. Chem. Soc., Dalton Trans., 1999, 3747
  • Chemistry of the Rhenium-azopyridine Family: An Oxo Parent and Derivatives Thereof Including a Novel Oxo-Imide Dimer
    Inorg. Chem., 2000, 39, 6.
  • Oxygen atom transfer from ReVO to tertiary diphosphines: spacer length and chemical differentiation of products
    Chem. Commun., 2000, 1813.
  • Oxygen Atom Transfer from Nitrogenous ReVO Reagents to Diphosphines and Subsequent Transformations. Rhenium(III) Products and Reaction Models
    Inorg. Chem., 2001, 40, 286.
  • Diazo-Ketiminato Complexes of Au(III): Synthesis, Characterization and Structure
    Polyhedron, 2003, 22, 3109.

Academic Membership

  • Life Member Indian Association for the Cultivation of Science.