• CSIR - Central Salt & Marine Chemicals Research Institute
  • G20
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Dr. Sanjay Pratihar
Group Member

Sr.Scientist

  • spratihar@csmcri.res.in
  • 2567760 (Extn. 7190) | Ext:

Inorganic Materials and Catalysis Division

Qualification
Academic Qualifications

Doctor of Philosophy: Department of Chemistry, IIT, Kharagpur, India; (July 2006−January 2012). Master of Science: (Inorganic Chemistry), Banaras Hindu Universitty, India, (2004− 2006)

Research
Research Activities

Organometallic and catalysis, stimuli responsive smart materials for organic transformation, Next generation smart materials for agricultural applications.

-|| Research Highlights ||-

Images

    1. M. Dutta, K. K. Bania, and S. Pratihar* A Remote ‘Imidazole’‐Based Ruthenium(II) Para‐Cymene Pre‐catalyst for the Selective Oxidation Reaction of Alkyl Arenes and Alcohols, Chem Asian J. 2020, 15, 926-32. (Impact Factor: 3.7), Special issue: The 2nd International Conference on Organometallics and Catalysis (ICOC-2020). https://doi.org/10.1002/asia.201901760
    2. K. Sarmah, S. Mukhopadhya, T. K. Maji, and S. Pratihar* Switchable Bifunctional Bi-state Reusable ZnO-Cu for selective oxidation and reduction reaction, ACS Catalysis, 2019, 9, 732-45. (Impact Factor: 12.3) DOI: https://doi.org/10.1021/acscatal.8b03785
    3. M. Dutta, K. K. Bania, and S. Pratihar* Remote 'Imidazole' Based Ruthenium(II) p‐Cymene Precatalyst for Selective Oxidative Cleavage of C−C Multiple Bonds, Chem. Cat. Chem. 2019, 11, 2683-94. (Impact Factor: 4.5). DOI: https://doi.org/10.1002/cctc.201900242
    4. K. Sarmah and S. Pratihar* “Synthesis, Characterization, and Photocatalytic Application of Iron Oxalate Capped Fe, Fe−Cu, Fe−Co, and Fe−Mn Oxide Nanomaterial” ACS Sustainable Chem. Eng. 2017, 5, 310-324. DOI: https://doi.org/10.1021/acssuschemeng.6b01673 (Impact Factor: 7.6)
    5. K. Sarmah, G. Pandit, A. B. Das, B. Sarma, and S. Pratihar* “Steric Environment Triggered Self-Healing CuII/HgII Bimetallic Gel with Old CuII−Schiff Base Complex as a New Metalloligand” Cryst. Growth Des. 2017, 17, 368-80. DOI: https://doi.org/10.1021/acs.cgd.6b01545 (Impact Factor: 4.4).
    6. K. Sarmah, J. Pal, T. K. Maji, and S. Pratihar* “Magnetically Recoverable Heterobimetallic Co2Mn3O8: Selective and Sustainable Oxidation and Reduction Reaction” ACS Sustainable Chem. Eng. 2017, 5, 11504-15. DOI: https://doi.org/10.1021/acssuschemeng.7b02739. (Impact Factor: 7.6)
    7. M. Dutta, S. M. Mandal, R. Pegu, and S. Pratihar* “PdII/AgI Catalyzed room temperature Reaction of γ-Hydroxy Lactams: Mechanism, Scope, and antistaphylococcal activity” J. Org. Chem. 2017, 82, 2193-98. DOI: https://doi.org/10.1021/acs.joc.6b02378 (Impact Factor: 4.9)
    8. K. Sarmah, U. K. Roy, T. K. Maji, and S. Pratihar* Role of Metal Exchange toward the Morphology and Photocatalytic Activity of Cu/Ag/Au-Doped ZnO: A Study with a Zinc–Sodium Acetate Complex as the Precursor, ACS Appl. Nano Mater., 2018, 1, 2049–2056. DOI: https://doi.org/10.1021/acsanm.8b00436
    9. S. Pratihar,* “Triggering the approach of an Arene or Heteroarene towards an aldehyde via Lewis acid-aldehyde communication” Org. Biomol. Chem. 2016, 14, 2854-65 (Impact Factor: 3.6). DOI:10.1039/C5OB02284C
    10. S. Pratihar* “Electrophilicity and Nucleophilicity of Commonly Used Aldehydes from Oxidation and Reduction Reaction” Org. Biomol. Chem. 2014, 12, 5781-88. (Impact Factor: 3.6) DOI: 10.1039/C4OB00555D amongst the top 20 most read article for the month of May-June 2014.
    11. R. Pegu, G. Pandit, A. K. Guha, S. K. Das,* and S. Pratihar,* Selective detection of fluoride via amplified donor-acceptor interaction of 6H-indolo [2, 3-b] quinoline, Spectrochim. Acta, Part A, 2019, 211, 246-53. DOI: https://doi.org/10.1016/j.saa.2018.11.064 (Impact Factor: 3.0)
    12. S. Pratihar,* R. Pegu, A. K. Guha, B. Sarma “Protonation of Coordinated P=NÇN: A Mechanistic Appraisal” Dalton Trans. 2014, 43, 17136-44. DOI:10.1039/C4DT01665C (Impact Factor: 4.0)
    13. R. Kashyap, D. J. Talukdar, and S. Pratihar* “Iron Oxalate Capped Iron-copper Nano for oxidative transformation of aldehyde” New J. Chem. 2015, 39, 1430-37. (Impact Factor: 3.3)
    14. S. Pratihar*, A. Kakoty and K. Sarmah “Waste management in Zinc promoted  allylation of aldehyde” New J. Chem. 2016, 40, 5347-56.
    15. D. Das, S. Pratihar, and S. Roy, Heterobimetallic Pd-Sn Catalysis: Michael Addition Reaction with C-, N-, O-, S- Nucleophiles and In-situ Diagnostics, J. Org. Chem. 2013, 78, 2430-42 (Impact Factor: 4.9)
    16. S. Pratihar and S. Roy, Nucleophilicity and Site Selectivity of Commonly Used Arenes and Heteroarenes, J. Org. Chem. 2010, 75, 4957-63. (Impact Factor: 4.9). Amongst the top 20 most read article for the month of July-August 2010.
    17. M. Bera, S. Pratihar, and S. Roy , Regioselective Ring-Opening of Aziridines/Azetidines with ‘N’, ‘O’, ‘S’ and Tethered di Nucleophile: Mechanistic Proposal through Theoretical Approach, J. Org. Chem. 2011, 76, 1475-78. (Impact Factor: 4.9)
    18. S. Pratihar and S. Roy, Reactivity and Selectivity of Organotin Reagents in Allylation and Arylation: Nucleophilicity Parameter as a Guide, Organometallics. 2011, 30, 3257-69. (Impact Factor: 3.9). Amongst the top 20 most read article for the month of May-June 2011.
    19. S. Pratihar, J. Marek and S. Roy, Mono cationic palladium(II): Synthesis, characterization and catalytic activity in Suzuki coupling, Inorg. Chim. Acta. 2011, 372, 362-366.(Impact Factor: 2.0)
    20. S. Pratihar and S. Roy, Correction to Nucleophilicity and Site Selectivity of Commonly Used Arenes and Heteroarenes, J. Org. Chem. 2011, 76, 4219. (Impact Factor: 4.72, CI: 1)
    21. D. Das, S. Pratihar, S. Roy, Heterobimetallic Pd-Sn Catalysis: A Suzuki, Tandem Ring Closing Sequence Towards Indeno[2,1-b]thiophenes andIndeno[2,1-b]indoles, Org. Lett. 2012, 14, 4870-73. (Impact Factor: 6.1)
    22. J. Choudhury, S. Pratihar, and S. Roy, Reactivity of IrCl(PPh3)3 with diphenylacetylene—A direct route to 1-iridaindene, Canadian Journal of Chemistry 2009, 87, 183-187. (Impact Factor: 1.24, CI: 5)
    23. Debjit Das, Sanjay Pratihar, and Sujit Roy, Heterobimetallic Pd-Sn catalysis: Highly selective intermolecular hydroarylation of α-methyl substituted aryl alkenes, Tetrahedron Letters, 2013, 54, 335-338. (Impact Factor: 2.37)
    24. Arabinda Mallick, Ujjal Kanti Roy, Basudeb Haldar, and Sanjay Pratihar, A newly developed highly selective ratiometric fluoride ion sensor: Spectroscopic, NMR and density functional studies, Analyst, 2012, 137, 1247. (Impact Factor: 4.0, CI: 24)
    25. D. Das, S. Pratihar, U. K. Roy, D. R. Mal, and S. Roy, First example of a heterobimetallic ‘Pd–Sn’ catalyst for direct activation of alcohol: Efficient allylation, benzylation and propargylation of arenes, heteroarenes, active methylenes and allyl-Si nucleophiles, Org. Biomol. Chem. 2012, 21, 4537-4542. (Impact Factor: 3. 6)

    1. S. M. Mandal and S. Pratihar “Antimicrobial formulation/composition to control multi-drug resistant MRSA”  (1023/KOL/2015 dated 28-9-2015).
    2. S. Pratihar, S. S. Bhattacharya, P. Das and K. Sarmah ‘Novel Soil conditioner” Indian Patent & PCT Application No: 201631010727
  • Mechanistic Organometallic Chemistry, Homogeneous catalysis for oxidation, hydrogenation, and assisted tandem reactions, Smart Materials for catalytic, photo catalytic and agricultural applications
  • Organometallic and catalysis, stimuli responsive smart materials for organic transformation, Next generation smart materials for agricultural applications.
  • Others