Connecting Science and Technology for a brighter tomorrow

Name : Dr. Dilip Konwar
Designation : Chief Scientist
Qualification : M.Sc. Ph.D.[Organic Cheistry]
Contact Details : Synthetic Organic Chemistry Division, Chemical Sciences Block, CSIR-NEIST, Jorhat -785006, Assam, India. Phone No.: 0376-2372142, Mobile No.: 9435351864, EPABX: 2366
Email id : &

Research Interest
  • Synthetic Organic Chemistry
  • Green Chemistry
  • Organometallic Chemistry
  • Membrane & Separation Technology
  • R & D Works Under CSIR Program =12
  • Basic Research Projects [Interdisciplinary Research [SOCD & Other Departments]=9
  • Process =10
  • Patents : Patents granted/applied for: International patent =1, national =13
List of Publications (Most Recent Ten)
Total No. of Publications: 80
  • DMSO/N2H4.H2O/I2/H2O/CH3CN : A new system for selective oxidation of alcohols in hydrated media ; P.Gogoi, G. K. Sarmah & D.Konwar ; J.Org. Chem .; 2004, 69,5153- 5154.
  • Surfactant/I2/Water :An efficient system for deprotection of oximes and imines to carbonyls under neutral conditions in water; P. Gogoi, P. Hazarika & D. Konwar ; J.Org. Chem .; 2005, 70,1934-1936.
  • A facile dehydration and Beckmann rearrangement of oximes with aluminium iodide D.Konwar, R.C.Boruah & J.S. Sandhu; Tetrahedron. Letters. 1990, 34,1063-1064
  • Synthesis and reactivity of dicarbonyl Rh(1) complex of hemilabile Ph2CH2COOC2H5 ligand ; P.Das , D.Konwar , M.Sarmah, N. Kumari & D.K.Dutta ; Appd. Organomet. Chem., 16, 2002,302
  • Rhodium nitrone complexes. Efficient catalyst for carbonylation of methanol ; P.Das, M. Boruah, N. Kumari, M. Sarmah, D. Konwar & D.K .Dutta ; J.Molecular Catalyst A ;178,2002,283
  • Rhodium(1) carbonyl complexes of mono selenium functionalised bis-(diphenylphosphi no)methane and bis (diphenylphosphino)amine chelating ligands and their catalytic carbonylation activity ; D.K Dutta,.; J.D.Woollins,; M. Sarmah, A. M. Z. Salwin, , D Konwar,. P. Bhattacharya & S. M. Aucott, J.Organomet.Chem. 2006 ,691(6),1229-1234
  • An alternative strategy to an electron rich phosphine based carbonylation catalyst ; D.K. Dutta, J. D. Woollins, M.Z.Salawin, D.Konwar, P.Das, M.Sharma,P. Bhatta. & S. M. Aucott ; Dalton Transaction (RS.C) ; 2003 ,2674-79
  • Transition metal and organic solvent free: A highly efficient and anaerobic process for selective oxidation of alcohols to aldehydes and ketones in water ;P.Gogoi, & D. Konwar ; Org.& Biomol. Chem, 2005 ,3473-75
  • An efficient and one pot synthesis of imidazoles and benzimidazoles via anaerobic oxidation of carbon nitrogen bonds in water ; P.Gogoi & D. Konwar ; Tettradedron. Letters,2006,47,79-82
  • A highly efficient and green method for the synthesis of 3,4-dihydropyrimidin-2-ones and 1,5-benzodiazepines catalyzed by dodecyl sulfonic acid in water; S. Das. Sharma, P. Gogoi & D. Konwar ; Green Chemistry ,2007, 9, 153-157
Awards and Fellowships
  • Postdoctoral Fellowship for the years (1990-91) in the Department of Chemistry, Rensselaer Polytechnic Institute, Troy, New York, USA, to work with Prof. K .T. Potts.
  • Visiting Scientist under UK-INDIA (2002) joint research program at the University of St. Andrews, Scotland, UK, and worked with Prof. J.D. Woollins’s chemistry group.
  • Recipient of 15 appreciation certificates for R & D activities by the Institute, CSIR-NEIST- Jorhat, Assam, India.
  • “Most cited paper award” [consecutively for 3 years] for the research paper, Tetrahedron Letters, volume 47, Issue 1, 2006, pages 79-82 by Elsevier (P) Ltd., Oxford, UK; [Citation till date=155]. Also, this paper is cited in “70 years of Outstanding Science in India, published by [CSIR celebration 70 years].