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Main Group and Organometallic Chemistry

The foremost objective of our research is to develop main group catalysts for organic transformations such as C–H, Si–H and H–H bond activation and hydroamination reactions etc. and to develop new efficient synthetic routes to highly functionalized organoborane derivatives via transition metal catalyzed boron-element additions to unsaturated organic compounds. Our group is also interested in synthesis and applications of main group polymers and Al/transition metal based Frustrated Lewis Pairs (FLP’s). Furthermore, we will be exploring the synthesis of multiply bonded main group compounds and its reactivity. The research based on main group chemistry involves extensive chemical synthesis and structural characterization using spectroscopic, crystallographic methods.

Representative Publications

  • 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, (accepted)
  • Baishya, A; Baruah, S; Geetharani, K., Efficient Hydroboration of Carbonyls by Iron(II) Amide Catalyst, Dalton Trans. 2018, 47, 9231-9236, DOI: 10.1039/C8DT01998C
  • Verma, P. K.; Mandal, S. Geetharani, K., K. Efficient Synthesis of Aryl Boronates via Cobalt-Catalyzed Borylation of Aryl Chlorides and Bromides. ACS Catal. 2018, 8, 4049-4054 DOI: 10.1021/acscatal.8b00536 Highlighted in Synfacts. 2018, 14, 0746
  • 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 DOI: 10.1039/c7ob02958f
  • Schafer, M.; Beattie, N. A.; Geetharani, K.; Schafer, 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 DOI: 10.1021/jacs.6b04128
  • 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. (Selected as Cover Page)
  • 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
  • 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.