Research Group Publications
 
  • M. Vijaykumar, C. Pradhan, R. G. Gonnade And B. Punji, Chelation-assisted and steric-controlled selectivity in the Pd-catalyzed C?H/C?H oxidative coupling of indoles, Chem. Commun., XX, XXXXX - XXXXX (2024), DOI:D4CC03835E.
  • M. Vijaykumar, R. G. Gonnade And B. Punji, Palladium-Catalyzed Regioselective C(4)?H Fluoroalkoxylation of Indoles through Weak Chelation Assistance, ChemCatChem., XX, XXXXX - XXXXX (2024), DOI:10.1002/cctc.202401188.
  • A. B. Shabade, R. K. Singh, R. G. Gonnade And B. Punji, Manganese-Catalyzed Chemoselective Direct Hydrogenation of ?,?-Epoxy Ketones and ?-Ketoamides at Room Temperature, Adv. Synth. Catal., XX, XXXXX - XXXXX (2024), DOI:10.1002/adsc.202400267.
  • S. B. Ankade, C. Pradhan, P. P. Samal, R. G. Gonnade, S. Krishnamurty And B. Punji, Iron-Catalyzed C–C and C–N Bond-Forming Tandem Amidation Offering Access to 3-Amino-3-Aminomethyl-2-Oxindole Frameworks, Adv. Synth. Catal., xxx, xxxx - xxxx (2024), DOI:10.1002/adsc.202400216.
  • C. Pradhan And B. Punji, Advancement in C–H Bond Alkylation of (Hetero)arenes Catalyzed by the Most Abundant Transition Metal - Iron, Org. Chem. Front., 11, 2397 - 2417 (2024), DOI:10.1039/D4QO00063C.
  • C. Pradhan And B. Punji, Book Chapter: Topics in Heterocyclic Chemistry on "Functionalisation of Heterocycles/Heteroaromatics through Transition Metal Catalysed C-H Activation" Chapter: Fe-Catalyzed Functionalization of Heterocycles through C-H Activation, Book Chapter, Springer., , (2024).
  • S. B. Ankade, S. Banerjee And B. Punji, Nickel-Catalyzed Branch Selective C-H Alkylation of Indoles and Azoles with Alkenes: An Additive- and Solvent-Free Approach, Eur. J. Org. Chem., xx, xxxx - xxxx (2024), DOI:10.1002/ejoc.202400376.
  • R. B. Pawar, M. H. Karmur And B. Punji, Ligand-free MnBr2-Catalyzed Chemo- and Stereoselective Hydroboration of Terminal Alkynes, Chem. Asian J., xx, xxxx - xxxx (2024), DOI:10.1002/asia.202400158.
  • S. Bansal And B. Punji, Chemodivergent Dehydrogenative Coupling of Alcohols by 3d Metal Catalysts, ChemCatChem., xx, xxxx - xxxx (2024), DOI:10.1002/cctc.202301558.
  • S. K. Verma And B. Punji, Copper-catalyzed regioselective C-H alkylation of phenol derivatives with unactivated alkyl chlorides: manifesting a Cu(I)/Cu(III) pathway, J. Catal., xx, xxxx - xxxx (2024), DOI:YJCAT_115351.
  • S. Bansal And B. Punji, Nickel-Catalyzed Chemodivergent Coupling of Alcohols: Efficient Routes to Access ?,?-Disubstituted Ketones and ?-Substituted Chalcones, Chem. Eur. J., xx, e202304082 (2024), DOI:rg/10.1002/chem.202304082.
  • C. Pradhan, R. A. Jagtap, P. P. Samal, S. Krishnamurty And B. Punji, Iron-Catalyzed Regioselective C-H Alkylation of Indoles: An Additive-free Approach in Renewable Solvent, Green Chem., 25, 9733 - 9743 (2023), DOI:10.1039/D3GC03709F.
  • D. M. Sharma, A. B. Shabade, R. G. Gonnade And B. Punji, Manganese(I)-Catalyzed Chemoselective Transfer Hydrogenation of the C=C Bond in Conjugated Ketones at Room Temperature, Chem. Eur. J., 29, e202301174 (2023), DOI:10.1002/chem.202301174.
  • S. Bansal, R. G. Gonnade And B. Punji, Chemodivergent coupling of azoarenes with benzyl alcohols via borrowing hydrogen strategy using a well-defined nickel catalyst, Catal. Sci. Technol., 13, 2705 - 2713 (2023), DOI:10.1039/d3cy00090g.
  • M. Vijaykumar, C. Pradhan, R. G. Gonnade And B. Punji, Palladium-Catalyzed Chemoselective Oxygenation of C(sp2)-H and C(sp3)-H Bonds in Isatins, Org. Lett., 25, 1862 - 1867 (2023), DOI:10.1021/acs.orglett.3c00342.
  • C. Pradhan And B. Punji, Advances in the Iron-Catalyzed Direct Functionalizations of Heterocycles, Synlett., 34, 683 - 697 (2023), DOI:10.1055/a-1890-8503.
  • A. B. Shabade, D. M. Sharma, P. Bajpai, R. G. Gonnade, K. Vanka And B. Punji, Room Temperature Chemoselective Hydrogenation of C=C, C=O and C=N Bonds by Using a Well-Defined Mixed Donor Mn(I) Pincer Catalyst, Chem. Sci., 13, 13764 - 13773 (2022), DOI:10.1039/D2SC05274A.
  • D. M. Sharma, C. Gouda, R. G. Gonnade And B. Punji, Room Temperature Z-selective Hydrogenation of Alkynes by Hemilabile and Non-innocent (NNN)Co(II) Catalyst, Catal. Sci. Technol., 12, 1843 - 1849 (2022), DOI:10.1039/D2CY00027J.
  • R. A. Jagtap, C. Pradhan, R. G. Gonnade And B. Punji, An Efficient Route to 3,3'-Biindolinylidene-diones by Iron-Catalyzed Dimerization of Isatins, Chem. Asian J., 17, xxxx - xxxx (2022), DOI:10.1002/asia.202200414.
  • S. K. Verma And B. Punji, Manganese-Catalyzed C(sp2)-H Alkylation of Indolines and Arenes with Unactivated Alkyl Bromides, Chem. Asian J., 17, e202200103 (2022), DOI:10.1002/asia.202200103.
  • S. Sudhakaran, P. G. Shinde, E. K. Aratikatla, S. H. Kaulage, P. Rana, R. S. Parit, D. S. Kavale, B. Senthilkumar And B. Punji, Nickel-Catalyzed Asymmetric Hydrogenation for the Synthesis of Key Sitagliptin Intermediate, Chem. Asian J., 17, e202101208 (2022), DOI:10.1002/asia.202101208.
  • S. B. Ankade, P. P. Samal, V. Soni, R. G. Gonnade, S. Krishnamurty And B. Punji, Ni(II)-Catalyzed Intramolecular C–H/C–H Oxidative Coupling: An Efficient Route to Functionalized Cycloindolones and Indenoindolones, ACS Catal., 11, 12384 - 12393 (2021), DOI:10.1021/acscatal.1c03314.
    Highlighted in "Synfacts, 2021, 17, 1357" by Prof. Mark Lautens
  • M. Vijaykumar And B. Punji, Pd(II)-Catalyzed Chemoselective Acetoxylation of C(sp2)-H and C(sp3)-H Bonds in Tertiary Amides, J. Org. Chem., 86, 8172 - 8181 (2021), DOI:10.1021/acs.joc.1c00629.
  • T. Rogge, N. Kaplaneris, N. Chatani, J. Kim, S. Chang, B. Punji, L. L. Schafer, D. G. Musaev, J. Wencel-Delord, C. A. Roberts, R. Sarpong, Z. E. Wilson, M. A. Brimble, M. J. Johansson And L. Ackermann, C-H Activation, Nature Rev. Meth. Primers., 1, 43 (2021), DOI:10.1038/s43586-021-00041-2.
  • S. B. Ankade, A. B. Shabade, V. Soni And B. Punji, Unactivated Alkyl Halides in Transition-Metal-Catalyzed C-H Bond Alkylation, ACS Catal., 11, 3268 - 3292 (2021), DOI:10.1021/acscatal.0c05580.
  • M. Vijaykumar And B. Punji, Advances in Transition-Metal-Catalyzed C–H Bond Oxygenation of Amides, Synthesis., 53, 2935 - 2946 (2021), DOI:10.1055/a-1481-2584.
  • R. A. Jagtap, S. B. Ankade, R. G. Gonnade And B. Punji, Achiral and Chiral NNN-Pincer Nickel Complexes with Oxazolinyl Backbone: Application in Transfer Hydrogenation of Ketones, New J. Chem., 45, 11927 - 11936 (2021), DOI:10.1039/D1NJ01698A.
  • D. M. Sharma And B. Punji, Nickel-Catalysed Benzylic C–H Functionalization, Book Chapter for "Handbook of CH-Functionalization (CHF)"., xx, xxxxx - xxxxx (2021), DOI:xxxxxxxxxxx.
  • R. A. Jagtap And B. Punji, Nickel-Catalyzed C-H Bond Functionalization of Azoles and Indoles, Chem. Rec., xx, xxxx - xxxx (2021), DOI:10.1002/tcr.202100113.
  • S. Bansal, A. B. Shabade And B. Punji, Advances in C(sp2)–H/C(sp2)–H Oxidative Coupling of (Hetero)arenes using 3d Transition Metal Catalysts, Adv. Synth. Catal., 363, 1998 - 2022 (2021), DOI:10.1002/adsc.202001498.
  • R. A. Jagtap, S. K. Verma And B. Punji, MnBr2-Catalyzed Direct and Site-Selective Alkylation of Indoles and Benzo[h]quinoline, Org. Lett., 22, 4643 - 4647 (2020), DOI:10.1021/acs.orglett.0c01398.
  • R. A. Jagtap, P. P. Samal, C. P. Vinod, S. Krishnamurty And B. Punji, Iron-Catalyzed C(sp2)-H Alkylation of Indolines and Benzo[h]quinoline with Unactivated Alkyl Chlorides through Chelation-Assistance, ACS Catal., 10, 7312 - 7321 (2020), DOI:10.1021/acscatal.0c02030.
  • D. K. Pandey, A. B. Shabade And B. Punji, Copper-Catalyzed Direct Arylation of Indoles and Related (Hetero)arenes: A Ligandless and Solvent-free Approach, Adv. Synth. Catal., 362, 2534 - 2540 (2020).
  • B. Punji, B. Senthilkumar And C. V. Ramana, A Process for the Asymmetric Synthesis of SITAGLIPTIN Intermediate, Patent filed., , (2020).
  • D. M. Sharma And B. Punji, 3d Transition Metal Catalyzed Hydrogenation of Nitriles and Alkynes, Chem. Asian J., 15, 690 - 708 (2020), DOI:10.1002/asia.201901762.
  • R. A. Jagtap And B. Punji, C-H Functionalization of Indoles by 3d Transition-Metal Catalysis, Asian J. Org. Chem., 9, 326 - 342 (2020), DOI:10.1002/ajoc.201900554.
  • R. A. Jagtap And B. Punji, Nitrogen Ligands in Carbon-Carbon Bond Forming Reactions, Book Chapter., , (2020), DOI:John Wiley & Sons, Inc., of 111 River Street, Hoboken, NJ.
  • D. K. Pandey, S. B. Ankade, A. Ali, C. P. Vinod And B. Punji, Nickel-Catalyzed C–H Alkylation of Indoles with Unactivated Alkyl Chlorides: Evidence of Ni(I)/Ni(III) Pathway, Chem. Sci., 10, 9493 - 9500 (2019).
  • U. N. Patel, R. A. Jagtap And B. Punji, Scope and Mechanistic Aspect of Nickel-Catalyzed Alkenylation of Benzothiazoles and Related Azoles with Styryl Bromides, Organometallics., 38, 2422 - 2430 (2019).
  • D. M. Sharma And B. Punji, Selective Synthesis of Secondary Amines from Nitriles by a User-Friendly Cobalt Catalyst, Adv. Synth. Catal., 361, 3930 - 3936 (2019).
  • D. K. Pandey, M. Vijaykumar And B. Punji, Nickel-Catalyzed C(2)-H Arylation of Indoles with Aryl Chlorides under Neat Condition, J. Org. Chem., 84, 12800 - 12808 (2019).
  • R. A. Jagtap, C. P. Vinod And B. Punji, Nickel-Catalyzed Straightforward and Regioselective C-H Alkenylation of Indoles with Alkenyl Bromides: Scope and Mechanistic Aspect, ACS Catal., 9, 431 - 441 (2019).
  • S. M. Khake, S. Jain, U. N. Patel, R. G. Gonnade, K. Vanka And B. Punji, Mechanism of Nickel(II)-Catalyzed C(2)-H Alkynylation of Indoles with Alkynyl Bromide, Organometallics., 37, 2037 - 2045 (2018).
  • Patel U.N., Jain S., Pandey D.K., Gonnade R.G., Vanka K. And Punji B., Mechanistic Aspects of Pincer Nickel(II)-Catalyzed C-H Bond Alkylation of Azoles with Alkyl Halides, Organometallics., 37, 1017 - 1025 (2018).
  • H. Pandiri, R. G. Gonnade And B. Punji, Synthesis of Quinolinyl-based Pincer Copper(II) Complexes: An Efficient Catalyst System for Kumada Coupling of Alkyl Chlorides and Bromides with alkyl Grignard Reagents, Dalton Trans., 47, 16747 - 16754 (2018).
  • V. Soni And B. Punji, Book Title: “Palladacycles: Catalysis and Beyond” Chapter 9: "Enantioselective Synthesis using Chiral Palladacycle", Book Chapter., , (2018), DOI:ELSEVIER, UK.
  • U. N. Patel And B. Punji, A Copper and Phosphine-Free Nickel(II)-Catalyzed Method for C–H Bond Alkynylation of Benzothiazoles and Related Azoles, Asian J. Org. Chem., 7, 1390 - 1395 (2018).
    (a special issue on C-H activation; Guest Editors: Profs. Naoto Chatani and Jin-Quan Yu)
  • R. A. Jagtap And B. Punji, Copper(I) Complexes of Ether- and Thioether-Based Phosphines, Book Chapter., , (2018), DOI:in press.
  • V. Soni, D. M. Sharma And B. Punji, Nickel-Catalyzed Regioselective C(2)-H Difluoroalkylation of Indoles with Difluoroalkyl Bromides, Chem. Asian J., , (2018), DOI:10.1002/asia.201800504 (a special issue on Homogeneous Catalysis from Young Investigators in Asia; Guest Editor: Prof. Fuk Yee Kwong).
  • S. M. Khake, V. Soni, R. G. Gonnade And B. Punji, A General Nickel-Catalyzed Method for C-H Bond Alkynylation of Heteroarenes through Chelation Assistance, Chem. Eur. J., 23, 2907 - 2914 (2017).
  • Punji B. And Soni V., Novel Nickel Catalyst, Process for Preparation and Use Thereof, PCT Int. Appl., WO 2017154022 A1 20170914, (2017).
  • H. Pandiri, D. M. Sharma, R. G. Gonnade And B. Punji, Synthesis and characterization of six-membered pincer nickelacycles and application in alkylation of benzothiazole, J. Chem. Sci., 129, 1161 - 1169 (2017).
  • V. Soni And B. Punji, Strategies for Palladium-Catalyzed Non-directed and Directed C-H bond Functionalization "Chapter 10: Palladacycles for Directed and Nondirected C-H Bond Functionalization of (Hetero)arenes", Elsevier, Amsterdam, Netherlands., , (2017).
  • V. Soni, S.M. Khake And B. Punji, Nickel-Catalyzed C(sp2)-H/C(sp3)-H Oxidative Coupling of Indoles with Toluene Derivatives, ACS Catal., 7, 4202 - 4208 (2017).
  • R. A. Jagtap, V. Soni And B. Punji, Expeditious and Solvent-Free Nickel-Catalyzed C-H Arylation of Arenes and Indoles, ChemSusChem., 10, 2242 - 2248 (2017).
  • H. Pandiri, V. Soni, R. G. Gonnade And B. Punji, Development of (Quinolinyl)amido-based Pincer Palladium Complexes: A Robust and Phosphine-Free Catalyst System for C-H Arylation of Benzothiazoles, New J. Chem., 41, 3543 - 3554 (2017).
  • U. N. Patel, D. K. Pandey, R. G. Gonnade And B. Punji, Synthesis of Quinoline-based NNN-Pincer Nickel(II) Complexes: A Robust and Improved Catalyst System for C–H Bond Alkylation of Azoles with Alkyl Halides, Organometallics., 35, 1785 - 1793 (2016).
  • S. M. Khake, R. A. Jagtap, Y. B. Dangat, R. G. Gonnade, K. Vanka And B. Punji, Mechanistic Insights into Pincer-Ligated Palladium-Catalyzed Arylation of Azoles with Aryl Iodides: Evidence of a Pd(II)-Pd(IV)-Pd(II) Pathway, Organometallics., 35, 875 - 886 (2016).
  • V. Soni, R. A. Jagtap, R. G. Gonnade And B. Punji, Unified Strategy for Nickel-Catalyzed C-2 Alkylation of Indoles through Chelation Assistance, ACS Catal., 6, 5666 - 5672 (2016).
  • V. Soni And B. Punji, Strategies for Palladium-Catalyzed Non-Directed and Directed C-H Bond Functionalization, Book Chapter., Elsevier, (2016).
  • B. Punji. V. Soni, Novel 3-?Acetoxylated N-?Substituted Indoles and Preparation thereof, Indian Pat. Appl. IN 2014DE03003 A 20160831., , (2016).
  • D. K. Pandey, S. M. Khake, R. G. Gonnade And B. Punji, Mono- and Binuclear Palladacycles via Regioselective C–H Bond Activation: Syntheses, Mechanistic Insights and Catalytic Activity in Direct Arylation of Azoles, RSC Adv., 5, 81502 - 81514 (2015).
  • S. M. Khake, V. Soni And B. Punji , Process for the Preparation of Pincer Ligated Palladium Catalysts and Their Use for Arylation of Heterocyclic Compounds, Indian Pat. Appl. IN 2013DE02566., , (2015).
  • V. Soni, U. N. Patel And B. Punji, Metal-free Regioselective C-3 Acetoxylation of N-substituted Indoles: Crucial Impact of Nitrogen-Substituent, RSC Adv., 5, 57472 - 57481 (2015).
  • S. M. Khake, V. Soni, R. G. Gonnade And B. Punji, Design and Development of POCN-Pincer Palladium Catalysts for C–H Bond Arylation of Azoles with Aryl Iodides, Dalton Trans., 43, 16084 - 16096 (2014).
  • V. P. Mehta And B. Punji, Recent Advances in Transition-Metal-Free Direct C–C and C–heteroatom Bond Forming Reactions, RSC Adv., 3, 11957 - 11986 (2013).
  • A.J. Nawara-Hultzsch, J. D. Hackenberg, B. Punji, C. Supplee, T. J. Emge, B. C. Bailey, R. R. Schrock, M. Brookhart And A. S. Goldman, Rational Design of Highly Active “Hybrid” Phosphine-Phosphinite Pincer Iridium Catalysts for Alkane Metathesis, ACS Catal., 3, 2505 - 2514 (2013).
  • B. Punji, W. Song And L. Ackermann, Cobalt-Catalyzed C–H Bond Functionalizations with Aryl and Alkyl Chlorides, Chem. Eur. J., 19, 10605 - 10610 (2013).
  • R. Ahuja, B. Punji, M. Findlater, C. Suplee, W. Schinski, M. Brookhart And A. S. Goldman, Catalytic Dehydroaromatization of n-Alkanes by Pincer-Ligated Iridium Complexes, Nature Chem., 3, 167 - 171 (2011).
  • L. Ackermann And B. Punji, W. Song, ?User-Friendly [(diglyme)NiBr2]-Catalyzed Direct Alkylations of Heteroarenes with Unactivated Alkyl Halides through C?H Bond Cleavages, Adv. Synth. Catal., 353, 3325 - 3329 (2011).
  • B. Punji, T. J. Emge And A. S. Goldman, A Highly Stable Adamantyl-Substituted Pincer-Ligated Iridium Catalyst for Alkane Dehydrogenation, Organometallics., 29, 2702 - 2709 (2010).
  • M. S. Balakrishna, P. Kumar, B. Punji And J. T. Mague, Large-bite bisphosphite, 1,3-C6H4{OPOC10H6(, J. Organomet. Chem., 695, 981 - 986 (2010).
  • B. Punji, J. T. Mague, S. M. Mobin And M. S. Balakrishna, Copper (I) Complexes of a Thioether-Functionalized Short-bite Aminobis(phosphonite), [PhN{P(-OC10H6(, Polyhedron ., 28, 101 - 106 (2009).
  • J. T. Mague, B. Punji, C. Ganesamoorthy And M. S. Balakrishna, O-2-Naphthyl diphenylthiophosphinate, Acta Cryst., E63, o4644 (2007).
  • J. T. Mague, B. Punji, C. Ganesamoorthy And M. S. Balakrishna, O-2-Naphthyl diphenylthiophosphinate, Acta Cryst., E63, o4645 (2007).
  • B. Punji And M. S. Balakrishna, Large bite bisphosphite, 2,6-C5H3N{CH2OP(-OC10H6)(, J. Organomet. Chem., 692, 1683 - 1689 (2007).
  • B. Punji, J. T. Mague And M. S. Balakrishna, Group 11 Metal Complexes of Mesocyclic Thioether-Aminophosphonites, (-OC10H6(, Eur. J. Inorg. Chem., , 720 - 731 (2007).
  • B. Punji, J. T. Mague And M. S. Balakrishna, Thioether-Functionalized Ferrocenyl-bis(phosphonite), Fe{(C5H4)P(-OC10H6(, Inorg. Chem., 46, 10268 - 10275 (2007).
  • B. Punji, J. T. Mague And M. S. Balakrishna, Highly Air-Stable Anionic Mononuclear and Neutral Binuclear Palladium(II) Complexes for C-C and C-N Bond-Forming Reactions , Inorg. Chem., 46, 11316 - 11327 (2007).
  • B. Punji And M. S. Balakrishna, Derivatisation and transition metal chemistry of a new monophosphinite ligand: 2-(diphenylphosphinoxy)naphthyl, Indian J. Chem., 45A, 1390 - 1394 (2006).
  • B. Punji, J. T. Mague And M. S. Balakrishna, Ruthenium(II), copper(I) and silver(I) complexes of large bite bisphosphinite, bis(2-diphenylphosphinoxynaphthalen-1-yl)methane: Application of Ru(II) complexes towards the hydrogenation of styrene and phenylacetylene, J. Organomet. Chem., 691, 4265 - 4272 (2006).
  • B. Punji, C. Ganesamoorthy And M. S. Balakrishna, Suzuki cross-coupling reactions catalyzed by palladium complex of an inexpensive phosphinite, 2-diphenylphosphinoxynaphthyl , J. Mol. Catal. A: Chem., 259, 78 - 83 (2006).
  • B. Punji, J. T. Mague And M. S. Balakrishna, Bis(2-diphenylphosphinoxynaphthalen-1-yl)methane: transition metal chemistry, Suzuki cross-coupling reactions and homogeneous hydrogenation of olefins , Dalton Trans., , 1322 - 1330 (2006).
  • B. Punji, J. T. Mague And M. S. Balakrishna, Synthesis of Neutral (PdII, PtII), Cationic (PdII), and Water-Induced Anionic (PdII) Complexes Containing New Mesocyclic Thioether-Aminophosphonite Ligands and Their Application in the Suzuki Cross-Coupling Reaction, Inorg. Chem., 45, 9454 - 9464 (2006).
  • P. P. George, R. P, a, B. Punji And M. S. Balakrishna, Chalcogenides of Phosphorus Ligands: Synthesis, Reactivity and Transition Metal Chemistry, Phosphorus, Sulfur, and Silicon and the Rel. Elem., 180, 1080 - 1081 (2005).