Bio Sketch
Bio Sketch
Current Position:
Assistant Professor (25th June 2019 - till date)
Department of Chemistry, Central University of Rajasthan, Ajmer, Rajasthan, India
Professional Experience:
Assistant Professor (DST Inspire Faculty, Aug. 2018 – June 2019)
Department of Chemistry, BITS Pilani, Pilani Campus, Rajasthan
Postdoctoral Research Associate: Department of Chemistry, Texas A&M University, College Station, USA; Supervisor - Prof. John A. Gladysz
Research Associate: Department of Chemistry, IIT Delhi, New Delhi, India; Supervisor - Prof. Ajai K. Singh
PhD: Department of Chemistry, IIT Delhi, New Delhi, Hauz Khas, India; Supervisor - Prof. Ajai K. Singh
MSc: Malaviya National Institute of Technology Jaipur, India
Research Interest
Synthetic Inorganic and Organic Chemistry
Molecular rotors and molecular machines
Metal mediated small molecule activation
Organochalcogen Chemistry
Multifold ring closing alkene metathesis
Coordination chemistry of platinum group metal complexes
Catalysis
Selected Publications:
1. K. Yadav, S. Mahala, S. Singh, J. Joshi, and H Joshi*, Pd(II)-Catalyzed Dehydrogenative Annulation of 2-Arylimidazo[1,2-a]Pyridines with Maleimides: Regioselectivity Switch and Photophysical Properties. Chem. Eur. J., 2025, DOI: 10.1002/chem.202501883.
2. S. Mahala, S. Singh, P. Rakesh, N. Bhuvanesh, and H Joshi*, Manganese(I)-NNSe Pincer Complex Mediated Dehydrogenative Cyclization to Synthesize 2-Aryl-2,3-dihydroquinolin-4(1H)-ones. J. Org. Chem., 2025, 90, 3789-3795.
3. S. Singh, S. Mahala, N. Bhuvanesh, and H Joshi*, Pd(II) NCSe-pincer complexes for regioselective cross-dehydrogenative coupling of arylthiophenes with hetero(arenes). Catal. Sci. Technol., 2025, 15, 523-536.
4. S. Mahala, N. Gupta, S. Singh, A. K. Sharma, N. Bhuvanesh, and H Joshi*, Designing Cobalt(II) Complex for Chemoselective Synthesis of 2-Aryl-3-formyl indoles from Amino Alcohols and Alcohols. Chem. Eur. J., 2024, 30, e202401698.
5. N. Mathur, S. Mahala, A. K. Khorwal, Y. Bitla, B. Goswami, P. Roy, and H Joshi*, Magnetic Nickel Nanoparticles Supported on Oxidized Charcoal as a Recoverable Catalyst for N-Alkylation of Amines with Alcohols. ACS Applied Nano Matter., 2024, 7, 11159-11169.
6. S. Singh, S. Mahala, N. Bhuvanesh, and H Joshi*, Palladium(II) NCS-Pincer Complexes Mediated Regioselective Cross Dehydrogenative Alkenation of 2-Arylthiophenes. ChemCatChem, 2024, 16, e202400187.
7. S. Kumar, S. Singh, S. Mahala, P. Janjani, S. R. Reddy, T. Rom, A. K. Paul, P. Roy and H. Joshi*, Palladium complex of macrocyclic selenium ligand: Catalyst for dehydroxymethylation of dihydroxy compounds. Dalton. Trans., 2023, 52, 5110-5118.
8. S. Kumar, S. Singh, N. Mathur, P. Roy and H. Joshi*, Titania Nanorods Supported Mercaptoundecanoic acid Grafted Palladium Nanoparticles as Highly Reusable Heterogeneous Catalyst for Substrate Dependent Ullmann Coupling and Debromination of Aryl Bromides. Inorg. Chem, 2023, 62, 3993-4002.
9. Y. Zhu, M. Stollenze, S. R. Zarcone, S. Kharel, A. Kumar, H. Joshi, N. Bhuvanesh, and J. Gladysz*, Syntheses, Homeomorphic and Configurational Isomerizations, and Structures of Macrocyclic Aliphatic Dibridgehead Diphosphines; Molecules that Turn Themselves Inside Out. Chem. Sci., 2022, 13, 13368-13386.
10. S. Kumar, S. Kumari, S. Singh, P. J. Boruah, A. K. Paul, P. Roy, and H. Joshi*, Oxidized Charcoal-Supported Thiol-Protected Palladium Nanoparticles for Cross Dehydrogenative Coupling of Heteroarenes. ACS Applied Nano Matter., 2022, 5, 2644-2654.
11. N. Meena, S. Sharma, R. P. Bhatt, V. N. Shinde, A. P. Sunda, N. Bhuvanesh, A. Kumar and H. Joshi*, A selenium coordinated palladium(II) trans-dichloride molecular rotor as a catalyst for site selective annulation of 2‐arylimidazo[1,2‐a]pyridines. Chem. Commun., 2020, 56, 10223-10226. (Interview of Dr. Joshi in ChemComm Blog: https://blogs.rsc.org/cc/2020/08/14/chemcomm-milestones-hemant-joshi/?doing_wp_cron=1597640972.7117760181427001953125).
12. V. N. Shinde, N. Bhuvanesh, A. Kumar and H. Joshi*, Design and Syntheses of Palladium Complexes of NNN/CNN Pincer Ligands: Catalyst for Cross Dehydrogenative Coupling Reaction of Heteroarenes. Organometallics, 2020, 39, 324-333.
13. A. K. Sharma, H. Joshi, K. Ojha and A. K. Singh, Graphene oxide supported cobalt phosphide nanorods designed from a molecular complex for efficient hydrogen evolution at low overpotential. Chem. Commun., 2019, 55, 2186.
14. H. Joshi, S. Kharel, A. Ehnbom, K. Skopek, G. D. Hess, T. Fiedler, F. Hampel, N. Bhuvanesh, and J. A. Gladysz, Three Fold Intramolecular Ring Closing Alkene Metatheses of Square Planar Complexes with cis Phosphorus Donor Ligands P(X(CH2)mCH=CH2)3 (X/m = –/5-10, O/3-5); Syntheses, Structures, and Thermal Properties of Macrocyclic Dibridgehead Diphosphorus Complexes. J. Am. Chem. Soc., 2018, 140, 8463.
15. S. Kharel, H. Joshi, S. Bierschenk, M. Stollenz, D. Taher, N. Bhuvanesh and J. A. Gladysz, Homeomorphic Isomerization as a Design Element in Container Molecules; Binding, Displacement, and Selective Transport of MCl2 Species (M = Pt, Pd, Ni). J. Am. Chem. Soc., 2017, 139, 2172.
16. R. Bhaskar, H. Joshi, A. K. Sharma, and A. K. Singh, Reusable Catalyst for Transfer Hydrogenation of Aldehydes and Ketones Designed by Anchoring Palladium as Nano-Particles on Graphene Oxide Functionalized with Selenated Amine. ACS Applied Materials & Interfaces, 2017, 9, 2223.