Publications

  1. 2026

  2. Mondal, R.; Mondal, R. R.; Geetharani, K*. Metal-Free Hydroboration of CO2 at Ambient Conditions Promoted by Boron-Appended Nitrenium Catalysts. ChemRxiv, 2026Read more
  3. Mondal, R.; Mondal, R. R.; Geetharani, K*. Metal-Free CO2 Fixation: Conversion of Epoxides to Cyclic Carbonates by a Highly Efficient Bifunctional Boron-Tethered Nitrenium Catalyst. ChemRxiv, 2026.Read more
  4. Mondal, R. R.; Mondal, R.; Geetharani, K*. Shedding Light on the N=N Bond: Unlocking Rapid, Catalyst-Free Direct Hydroboration of Azoarene. ChemComm, 2026; Accepted for publication ; Featured in Chemical Communications HOT articles 2026.Read more Graphical Abstract
  5. Sreelakshmi, PA; Mondal, Reetu Rani; Rask, Laust; Leitherer, Susanne; Obel, Oscar Berlin; Rashid, Umar; Hamill, Joseph; Mikkelsen, Kurt; Geetharani, K.; Kaliginedi, Veerabhadrarao. Oriented electric field-driven cis-azobenzene selective diborylation reaction at the single molecule level Journal of American Chemical Society, 2026. Read more. Graphical Abstract
  6. Keerthika, K.; Srividya, S.; Pal, A. K.; Geetharani, K.*. Visible-Light-Driven Regioselective Di- and Tri-fluoromethylative Benzylation Reaction of 1,1-Diphenylethylenes. Chemistry– A European Journal, 2026;Read More. Graphical Abstract
  7. Baruah, S; Pal, A. K.; Geetharani, K*. Bis(catecholato)telluranes: probing catecholato-induced hard Lewis acidity via redox-coupled halide abstraction Inorganic Chemistry, 2026Read More. Graphical Abstract
  8. Mondal, R.#; Mondal, R. R.#; Geetharani, K*. Harnessing Solvent- 3O2 Charge Transfer Complex for Photochemical Conversion of Phosphines to Phosphine Oxides: The Synergy of Light and Ambient Air. Green Chem, 2026Read More. (#Authors contributed equally) Graphical Abstract
  9. Srividya, S.; Pal, A. K.; Geetharani, K.* Photochemical upcycling of polystyrene waste by BiCl3 .Green Chem., 2026, 28, 3109–3118. Read More. Graphical Abstract

  10. 2025

  11. Paul S, Anilkumar NT, Eluvathingal Devassy J*, Geetharani, K.* Borane Mediated Conjunctive Coupling of Vinylboronates: Merging Boronate Complex with Hypervalent Iodine Chemistry .ChemRxiv. 2025;This content is a preprint and has not been peer-reviewed. Read More
  12. Mondal, R. R.#; Mondal, R.#; Geetharani, K.* Photo-Triggered Hydrophosphination of Azoarenes: An Additive-Free Methodology. Org. Lett. 2025, 27, 45, 12663–12669Read More (#Authors contributed equally) Graphical Abstract
  13. Meher, N.K. ; A. S, Renukesh; Geetharani, K.* Regio-divergent Hydroboration/Cyclization of Unactivated 1,6-enynes: Synthesis of Vinyl- and Alkyl Boronates by Taming the Co-NHC Catalyst. ACS Sustainable Chemistry & Engineering 2025,13 (41), 17682-17690 Read More Graphical Abstract
  14. Mondal, R.; Pal, A. K.; Geetharani, K.* Visible Light-Induced N-Heterocyclic Nitrenium-Catalyzed Deoxygenative Borylation of Acyl Chlorides. ChemistryEurope 2025, 3, e202500093Read More Graphical Abstract
  15. Mondal, R. R.; Pal, A. K.; Geetharani, K.* Catalyst-Free Diborylation and Silaboration of Azoarenes: A Simple Photoinduced Approach. Angew. Chem. Int. Ed. 2025, 64, e202415913. Read More Graphical Abstract
  16. Meher, N.; Kashyap, A.; Geetharani, K.* A Convenient Approach for the Synthesis of Multidentate N-Heterocyclic Carbene Ligand Precursors. Chem Asian J. 2025, 20, e202401085. Read More Graphical Abstract

  17. 2024

  18. Keerthika, K.; Bazil Muhammed, S.; Geetharani, K.* Synthesis of Trifluoromethylated Ketones from α,β-Unsaturated Ketones via Catecholboron Enolates. J. Org. Chem., 2024, 89, 11480-11486. Read More Graphical Abstract
  19. Meher, N.; Suryavansi, M.; Geetharani, K.* Regioselective Hydroboration of Unsymmetrical Internal Alkynes Catalyzed by Cobalt Pincer-NHC Complex. Org. Lett., 2024, 26, 5862-5867. Read More Graphical Abstract
  20. Rashid, U.; Bro-Jørgensen, W.; Harilal, KB.; Sreelakshmi, PA.; Mondal, R. R.; Pisharam, V. C.; Parida, K. N.*; Geetharani, K.*; Hamill, J. M.*; Kaliginedi, V.* Chemistry of the Au Thiol Interface through the Lens of Single-Molecule Flicker Noise Measurements. J. Am. Chem. Soc., 2024, 146, 9063-9073. Read More Graphical Abstract
  21. Keerthika, K.; Bazil Muhammed, S.; Geetharani, K.* A Metal-free and Operationally Simple Radical Trifluoromethylative Borylation of Unactivated Alkenes. Chem. Eur. J., 2024, 30, e202303468. Read More Graphical Abstract

  22. 2023

  23. Paul, S.; Mondal, R.; Geetharani, K.* Synthesis of a-Seleno Boronates via Diboration of Carbonyl Compounds. Chem Asian J., 2023, e202300761. Read More Graphical Abstract
  24. Paul, S.; Verma, P. K.; Kashyap, A.; Mondal, R.; Geetharani, K.* Approach to the Synthesis of gem-Thiolated Alkylboronates via Cobalt-Catalyzed Diboration of Aldehydes. Org. Lett., 2023, 25, 2901-2906. Read More Graphical Abstract
  25. Meher, N. K.; Verma, P. K.; Geetharani, K.* Cobalt-Catalyzed Regioselective 1,2-Hydroboration of N-Heteroarenes. Org. Lett., 2023, 25, 87-92. Read More Graphical Abstract

  26. 2021

  27. Verma, P. K.; Meher, N. K.; Geetharani, K.* Homolytic Cleavage of Diboron(4) Compounds by Diazabutadienes. Chem Commun., 2021, 57, 7886-7889. Read More Graphical Abstract
  28. Siddiqui, S.; Bhawar, R.; Geetharani, K.* Iron-Based Catalyst for Borylation of Unactivated Alkyl Halides without Using Highly Basic Organometallic Reagents. J. Org. Chem., 2021, 86, 1948-1954. Read More Graphical Abstract

  29. 2020

  30. Keerthika, K.; Nath, S.; Geetharani, K.* Transition-Metal-Free Trifluromethylative Difunctionalization of Olefins and Alkynes: Approaches and Challenges Ahead. Catal. Sci. Technol., 2020, 10, 7142-7159. Read More Graphical Abstract
  31. Verma, P. K.; Sujit Prasad, K.; Varghese, D.; Geetharani, K.* Cobalt(I)-Catalyzed Borylation of Unactivated Alkyl Bromides and Chlorides. Org. Lett., 2020, 22, 1431-1436. Read More Graphical Abstract

  32. 2019

  33. Geetharani, K.; Bose S. K. In Science of Synthesis: Advances in Organoboron Chemistry Towards Organic Synthesis, Fernandez, E., Ed.; Thieme:Stuttgart,(2019); p 335-354. Read More
  34. Mandal, S.; Mandal, S.; Geetharani, K.* Zinc Catalysed Hydroboration of terminal and internal alkynes. Chem Asian J., 2019, 14, 4453-4556. Read More Graphical Abstract

  35. 2018

  36. Verma, P. K.; Setulekshmi, A. S.; Geetharani, K.* Markovnikov-Selective Co(I)-Catalyzed Hydroboration of Vinylarenes and Carbonyl Compounds. Org. Lett., 2018, 20, 7840-7845. Read More Graphical Abstract
  37. Mandal, S.; Verma, P. K.; Geetharani, K. Lewis acid catalysis: regioselective hydroboration of alkynes and alkenes promoted by scandium triflate. Chem. Commun., 2018, 54, 13690-13693. Read More Graphical Abstract
  38. Segavi, M. L.; Baishya, A.; Bose, S. K.;* Geetharani, K.* Reusable Fe₂O₃-nanoparticle catalysed efficient and selective hydroboration of carbonyl compounds. Org. Chem. Front. 2018, 5, 3520-3525. Read More Graphical Abstract
  39. Winner, L.; Ewing, W. C.; Geetharani, K.; Dellerman, T.; Jouppi, B.; Kupfer, T.; Schäfer, M.; Braunschweig, H. Spontaneous Metal-Free Transfer Hydrogenation of Iminoborane with Ammonia Borane and Amine Boranes. Angew. Chem. Int. Ed., 2018, 57, 12275-12279. Read More Graphical Abstract
  40. Baishya, A.; Baruah, S.; Geetharani, K.* Efficient Hydroboration of Carbonyls by Iron(II) Amide Catalyst. Dalton Trans. 2018, 47, 9231-9236. Read More Graphical Abstract
  41. Verma, P. K.; Mandal, S. Geetharani, K.* Efficient Synthesis of Aryl Boronates via Cobalt-Catalyzed Borylation of Aryl Chlorides and Bromides. ACS Catal. 2018, 8, 4049-4054. Read More Graphical Abstract
  42. Verma, P. K.; Shegavi, M. L.; Bose, S. K.;* Geetharani, K.* A nano-catalytic approach for C-B bond formation reactions. Org. Biomol. Chem., 2018, 16, 857-873. Read More Graphical Abstract

  43. Before 2018

  44. Bose, S. K., Geetharani, K., Mobin, S. M., Ghosh, S.* Metallaboranes of the early transition metals: direct synthesis and characterization of (h5-C5Me5Ta)2BnHm (n = 4, m = 10; n = 5, m = 11), (h5-C5Me5Ta)2B5H10(C6H4CH3), and (h5-C5Me5TaCl)2B5H11. Chem. Eur. J. 2018, 14, 9058. Read More
  45. Geetharani, K.; Bose S. K.; Bose, D.; Mostafa, G.; Ghosh, S.* Chemistry of arachno-ruthenaboranes: synthesis, characterization and reactivity of mu-H bridged Ru2B2 and Ru2B3 clusters. Inorg. Chem., 2017, 56, 13358-13368. Read More
  46. Schafer, M.; Beattie, N. A.; Geetharani, K.; Schäfer, J.; Ewing, W. C.; Krahfuß, M.; Hörl, C.; Dewhurst, R.; Macgregor, S. A.; Lambert, C.; Braunschweig, H.* Synthesis of Functionalized 1,4-Azaborinines by the Cyclization of Di-tert-butyliminoborane and Alkynes. J. Am. Chem. Soc. 2016, 138, 8212-8220. Read More
  47. Braunschweig, H.,* Ewing, W. C., Geetharani, K., Schäfer, M. The reactivities of iminoboranes with carbenes: BN isosteres of carbene alkyne adducts. Angew. Chem. Int. Ed. 2015, 54, 1662. Read More
  48. Braunschweig, H.,* Geetharani, K., Jimenez-Halla, J. O. C., Schäfer, M. Direct synthetic route to functionalized 1,2-azaborinines. Angew. Chem. Int. Ed. 2014, 53, 3500. Read More
  49. Anju, R. S., Roy, D. K., Geetharani, K., Mondal, B., Varghese, B., Ghosh, S.* A fine tuning of metallaborane to bridged-boryl complex, [(Cp*Ru)2(μ-H)(μ-CO)(μ-Bcat)] (cat = 1,2-O2C6H4; Cp* = η5-C5Me5). Dalton Trans. 2013, 42, 12828. Read More
  50. Roy, D. K., Mondal, B., Shankhari, P., Anju, R. S., Geetharani, K., Mobin, S. M., Ghosh, S.* Supraicosahedral polyhedra in metallaboranes: Synthesis and structural characterization of 12-, 15-, and 16-vertex rhodaboranes. Inorg. Chem. 2013, 52, 6705. Read More
  51. Yuvaraj, K., Roy, D. K., Geetharani, K., Mondal, B., Anju, R. S., Shankhari, P., Ramkumar, V., Ghosh, S.* Chemistry of homo- and heterometallic bridged-borylene complexes. Organometallics 2013, 32, 2705. Read More
  52. Shankhari, P., Roy, D. K., Geetharani, K., Anju, R. S., Varghese, B., Ghosh, S.* Synthesis and structural characterization of group 5 dimetallaheteroboranes. J. Organomet. Chem. 2013, 747, 249. Read More
  53. Anju, R. S., Geetharani, K., Roy, D. K., Ghosh, S.* Synthesis and structural characterization of diruthenium cluster containing germylene ligand. J. Organomet. Chem. 2013, 731, 18. Read More
  54. Geetharani, K.; Bose, S. K. and Ghosh, S.* Heterometallic cubane-type clusters containing Group 13 and 16 elements. Pure Appl. Chem. 2012, 84, 2233. Read More
  55. Geetharani, K., Ramkumar, V., Ghosh, S.* Synthesis and characterization of novel ruthenaferracarboranes from photoinsertion of alkynes into a ruthenaferraborane. Organometallics 2012, 31, 6381. Read More
  56. Geetharani, K., Krishnamoorthy, B. S., Kahlal, S., Mobin, S. M., Halet, J.-F., Ghosh, S.* Synthesis and characterization of hypoelectronic tantalaboranes: Comparison of the geometric and electronic structures of [(Cp*TaX)2B5H11] (X = Cl, Br, and I). Inorg. Chem. 2012, 51, 10176. Read More
  57. Geetharani, K., Tussupbayev, S., Borowka, J., Holthausen, M. C., Ghosh, S.* Utilization of the arachno diruthenaborane [(Cp*RuCO)2B2H6] as an active alkyne cyclotrimerization catalyst. A mechanistic study. Chem. Eur. J. 2012, 18, 8482. Read More
  58. Roy, D. K., Bose, S. K., Geetharani, K., Chakrahari, K. K. V., Mobin, S. M., Ghosh, S.* Synthesis and structural characterization of novel divanada- and diniobaboranes containing chalcogen atoms. Chem. Eur. J. 2012, 18, 9983. Read More
  59. Bose, S. K., Geetharani, K., Ghosh, S.* C-H activation of arenes and heteroarenes by early transition metallaborane, [(Cp*Ta)2B5H11] (Cp* = η5-C5Me5). Chem. Commun. 2011, 47, 11996. Read More
  60. Bose, S. K., Geetharani, K., Sahoo, S., Reddy, K. H. K., Varghese, B., Jemmis, E. D., Ghosh, S.* Syntheses, characterization and electronic structures of new type of heterometallic boride clusters. Inorg. Chem. 2011, 50, 9414. Read More
  61. Bose, S. K., Geetharani, K., Varghese, B., Ghosh, S.* Condensed tantalaborane clusters: synthesis and structures of [(Cp*Ta)2B5H7{Fe(CO)3}2] and [(Cp*Ta)2B5H9{Fe(CO)3}4]. Inorg. Chem. 2011, 50, 2445. Read More
  62. Geetharani, K., Bose, S. K., Sahoo, S., Varghese, B., Mobin, S. M., Ghosh, S.* Cluster expansion reactions of group 6 and 8 metallaboranes using transition metal carbonyl compounds of groups 7-9. Inorg. Chem. 2011, 50, 5824. Read More
  63. Geetharani, K., Bose, S. K., Basak, D., Suresh, V. M., Ghosh, S. A new entry into ferraborane chemistry: synthesis and characterization of heteroferraborane complexes. Inorg. Chim. Acta 2011, 372, 42. Read More
  64. Geetharani, K., Bose, S. K., Sahoo, S., Ghosh, S.* A family of heterometallic cubane-type clusters with an exo-Fe(CO)3 fragment anchored to the cubane. Angew. Chem. Int. Ed. 2011, 50, 3908. Read More
  65. Geetharani, K., Bose, S. K., Varghese, B., Ghosh, S.* From metallaborane to borylene complexes: syntheses and structures of triply bridged ruthenium and tantalum borylene complexes. Chem. Eur. J. 2010, 16, 11357. Read More
  66. Bose, S. K., Geetharani, K., Ghosh, S.* Ring expansion of a Cp moiety upon CO insertion: synthesis and characterization of [(η6-C6H5OCo)Co3(CO)9]. J. Organomet. Chem. 2010, 695, 2567. Read More
  67. Bose, S. K., Geetharani, K., Varghese, B., Ghosh, S.* Unusual organic chemistry of a metallaborane substrate: formation of a tantalaborane complex with a bridging acyl group (m-h2). Inorg. Chem. 2010, 49, 6375. Read More
  68. Bose, S. K., Geetharani, K., Ramkumar, V., Varghese, B., Ghosh, S.* Chemistry of vanadaboranes: synthesis, structures and characterization of organovanadium sulfide clusters with disulfido linkage. Inorg. Chem. 2010, 49, 2881. Read More
  69. Bose, S. K., Geetharani, K., Ramkumar, V., Mobin, S. M., Ghosh, S.* Fine-tuning of metallaborane geometries: chemistry of metallaboranes of early transition metals derived from metal halides and monoborane reagents. Chem. Eur. J. 2009, 15, 13483. Read More
  70. Geetharani, K., Bose, S. K., Ramkumar, V., Ghosh, S.* An efficient route to group 6 and 8 metallaborane compounds. Synthesis of arachno-[Cp*Fe(CO)B3H8] and closo-[(Cp*M)2B5H9] (M = Mo, W). Eur. J. Inorg. Chem. 2009, 1483. Read More