PUBLICATIONS:
Publications as Principal Investigator:
38) Visible-Light-Enabled Regioselective C−H alkylation and alkenylation of 2-Aryl Heterocycles using Dual Catalysis.
Rajesh T. Bhawale, Abhinay S. Chillal, Umesh A. Kshirsagar* Adv. Synth. Catal., 2024, doi.org/10.1002/adsc.202401294.
37) Micelle Assisted C(sp2)-H Functionalization for C-Se and C-X Bond Formation in Aqueous Medium.
Abhinay S. Chillal#, Chandani Maurya#, Umesh A. Kshirsagar* Langmuir, 2024, 40. 23445. (#both authors contributed equally)
36) An Expedient Access to Aminoquinazolines and Quinazolinones via N-atom Insertion Reaction Using Copper Nano Particles Decorated on Magnetic Carbon Spheres
R. Thrilokraj, D. Khavatakoppa, R. V. Hegde, J. G. Małecki, A. S. Limaye, Umesh A. Kshirsagar, R. Ali, R. B. Dateer. Materials Today Chemistry, 2024, 42, 102395.
35) Dual Role of Choline Azide for One-Pot Synthesis of Quinolines and Quinazolines Using Versatile Magnetic Cu-Oxalate@Fe3O4 Catalyst
A. S. Limaye, R. Thrilokraj, S. F. Shaikh, Umesh A. Kshirsagar, J. G. Małecki, A. M. Al-Enizi, P. Y. Kogale, R, B. Dateer. Catalysis Letters, 2025, 155, 30.
34) A Green Approach for Synthesis of 2-phenyl-2H-indazoles and Quinazoline Derivatives using Sustainable Heterogeneous Copper Oxide
Nanoparticles Supported on Activated Carbon and OER Study.
R. Thrilokraj, M. Kumar, V. Ankalgi, S. Shaikh, A. Al-Enizi, J. Malecki, Umesh A. Kshirsagar, C. S. Rout, R. Dateer* Langmuir, 2024, 40, 22918.
33) Electrochemical Regioselective C(sp2)–H Bond Chalcogenation of Pyrazolo[1,5-a]pyrimidines via Radical Cross-Coupling at Room Temperature.
Abhinay S. Chillal, Rajesh T. Bhawale, Siddharth Sharma*, Umesh A. Kshirsagar* J. Org. Chem., 2024, 89, 19, 14496.
32) Visible-Light Induced Ag-Palladacycle-Complex-Mediated Regioselective C-H Arylation.
Rajesh T. Bhawale, Abhinay S. Chillal, Soumen Ghosh*, Umesh A. Kshirsagar* Adv. Synth. Catal., 2024, 366, 3603.
31) Pd-Catalysed Regioselective Cross Dehydrogenative Coupling of Quinazolinones with Aromatic Carboxylic Acids.
Deepali S. Waghmare, Priyanka M. Lagad, Umesh A. Kshirsagar, Vaishali S. Shinde* Tetrahedron Letters, 2024, 147, 155214.
30) Oxidative Cross-Dehydrogenative C–H Bond Amination of Imidazo[1,2-a]pyridines in Aqueous Media Under Metal-free Conditions.
Durgesh Sarothiya, Umesh A. Kshirsagar* Synthesis, 2024, 56, 3090.
29) Regioselective C(sp2)-H halogenation of pyrazolo[1,5-a]pyrimidines facilitated by hypervalent iodine(iii) under aqueous and ambient conditions.
Abhinay S. Chillal, Rajesh T. Bhawale, Umesh A. Kshirsagar* RSC Advances, 2024, 14, 13095.
28) Oxone® Mediated Regioselective C(sp2)−H Selenylation and Thiocyanation of Pyrazolo[1,5-a]pyrimidines at Room Temperature.
Abhinay S. Chillal, Rajesh T. Bhawale, Umesh A. Kshirsagar* ChemistrySelect, 2024, 9, e202304815.
[#NextGenOrgChem Special Collection: by young researchers nominated by the EurJOC advisory and editorial board members]
27) Biomass Derived Cu2O Nanoparticles for N-atom insertion Reactions: A Base Free Synthesis of Quinazolinones with a Green Approach.
Thrilokraj R., J. G. Małecki, S. Budagumpi, Umesh A Kshirsagar, Ramesh Dateer* Green Chem., 2024, 26, 4723.
26) Facile Access to 1,2-Disubstituted Benzimidazoles and 2,3-Dihydro-1H-perimidines Using a Biogenically Synthesized Single Phase δ-MnO2 NP Catalyst and its Dye Removal Study.
N. R., Thrilokraj R., Umesh A. Kshirsagar, R. V. Hegde, A. Ghosh, S. A. Patil, J. G. Maleckid, R. B. Dateer*. New J. Chem., 2024, 48,1327.
25) Cationic and Anionic Cross-assisted Synergistic Photocatalytic Removal of Binary Organic Dye Mixture Using Ni-doped Perovskite Oxide.
S. R. Mulani, S. Bimli, E. Choudhary, R. Bunkar, Umesh A. Kshirsagar, Rupesh S. Devan*. Chemosphere, 2023, 340, 139890.
24) Photo-induced Regio-selective Chalcogenation and Thiocyanation of 4H-Pyrido[1,2-a]-pyrimidin-4-ones Under Benign Conditions.
Abhinay S. Chillal, Rajesh T. Bhawale, Umesh A. Kshirsagar* Euro. J. Org. Chem. 2023, 26, 34, e202300665.
23) Visible Light Assisted Direct C3–H Arylation of Pyrido[1,2-a]pyrimidin-4-ones and Thiazolo[3,2-a]pyrimidin-5-ones.
Rajesh T. Bhawale, Umesh A. Kshirsagar* J. Org. Chem., 2023, 88, 9537.
22) Porous LaFeO3 walnuts for efficient visible light driven photocatalytic detoxification of harmful organic pollutants.
S. R. Mulani, S. Bimli, M. S. Patil, Umesh A. Kshirsagar, Rupesh S. Devan* Materials Chemistry and Physics. 2023, 305. 127952.
21) 4H-Pyrido[1,2-a]pyrimidin-4-one, biologically important fused heterocyclic scaffold: Synthesis and functionalization.
Rajesh T. Bhawale, Abhinay S. Chillal, Umesh A. Kshirsagar* J Heterocyclic Chem. 2023; 60, 8, 1356.
20) Organic-Dye-Catalyzed Visible-Light-Mediated Regioselective C‑3 Alkoxycarbonylation of Imidazopyridines by Carbazates
Durgesh Sarothiya, Rajesh T. Bhawale, Umesh A. Kshirsagar* J. Org. Chem., 2022, 87, 14915–14922.
19) Synergistic Approach for Decarboxylative Ortho C‐H Aroylation of 2‐Aryl‐pyrido[1,2‐a]pyrimidin‐4‐ones and Thiazolopyrimidinones by Merging Palladium Catalysis with Photo‐catalysis.
Rajesh T. Bhawale, Durgesh Sarothiya, Umesh A. Kshirsagar* Asian J. Org. Chem., 2022, 11, 8, e202200134.
18) Pd‐Catalyzed Decarboxylative Ortho‐Aroylation of 2‐Aryl‐quinazolinone Comprising Intrinsic Directing Group with α‐Oxocarboxylic Acids.
D. S. Waghmare, S. D. Tambe, Umesh A. Kshirsagar* Asian J. Org. Chem., 2020, 9. 2095-2098.
17) Regioselective Coupling of 2-Arylquinazolinone C-H with Aldehyde and Benzyl Alcohol under Oxidative Condition
Umesh A. Kshirsagar*, D. S. Waghmare, S. D. Tambe. New J. Chem., 2020, 44, 16697-16701.
16) Metal Free Synthesis of 3-Thiocyanatobenzothiophenes via Eosin Y Photoredox Catalysed Cascade Radical Annulations of 2-alkynylthioanisoles.
S. D. Tambe, M. S. Jadhav, R. S. Rohokale, and Umesh A. Kshirsagar* Euro. J. Org. Chem. 2018, 4867-4873.
15) Visible Light Mediated Eosin Y Photo-redox Catalyzed Vicinal Thioamination of Alkynes: Radical Cascade Annulation Strategy for 2-Substituted-3-
sulfenylindole.
S. D. Tambe, R. S. Rohokale, and Umesh A. Kshirsagar* Euro. J. Org. Chem. 2018, 2117-2121.
14) Eosin Y photoredox catalyzed net redox neutral reaction for regiospecific annulation to 3-sulfonylindoles via anion oxidation of sodium sulfinate salts.
R. S. Rohokale, S. D. Tambe and Umesh A. Kshirsagar* Org. Biomol. Chem., 2018, 16, 536.
13) One Pot Synthesis of Substituted Imidazopyridines and Thiazoles from Styrenes in Water Assisted by NBS.
M. H. Shinde and Umesh A. Kshirsagar* Green Chem., 2016, 18, 1455.
12) N-Bromosuccinimide Promoted and Base Switchable One Pot Synthesis of α-Imido and α-Amino Ketones from Styrenes.
M. H. Shinde and Umesh A. Kshirsagar* Org. Biomol. Chem., 2016, 14, 858.
11) Copper Catalysed Multicomponent Redox Reaction for the Synthesis of Quinazolin-(4H)-ones.
M. H. Shinde and Umesh A. Kshirsagar* RSC Advances 2016, 6, 52884.
10) Advanced Synthetic Strategies to Construct the Quinazolinone Scaffolds.
R. S. Rohokale and Umesh A. Kshirsagar* Synthesis 2016, 48, 1253.
9) Recent developments in the chemistry of quinazolinone alkaloids.
Umesh A. Kshirsagar* Org. Biomol. Chem., 2015,13, 9336.
Publications from Post-Doctorate:
8) Iron Catalyzed Oxidative Cross-Coupling of Phenols with Alkenes.
U. A. Kshirsagar, R. Clil, R. Parnes, D. Pappo* Org. Lett. 2013. 15, 3174.
7) Airobic Iron-Based Coupling Enables Efficient Diverse-Oriented Synthesis of Coumestrol-Based Selective Estrogen Receptor Modulators.
U. A. Kshirsagar, R. Parnes, H. Goldshtein, R. Ofir, R. Zarivach, D. Pappo* Chemistry- A European Journal. 2013, 19, 13575.
6) Ligand-Controlled Iron-Catalyzed Coupling of α-Substituted β-Ketoesters with Phenols
R. Parnes, U. A. Kshirsagar, A. Werbeloff, R. Clil, D. Pappo* Org. Lett. 2012, 14, 3324.
Publications from Ph.D.:
5) Regioselective Mono-alkylation of Dimethyl Alkylidenesuccinates: Simple Approach to Dialkyl Substituted Maleic Anhydrides Including
Chaetomellic Acid-A.
U. A. Kshirsagar and N. P. Argade* Synthesis 2011, 1804.
4) Copper-Catalyzed Intramolecular N-Arylation of Quinazolinones: Facile Convergent Approach to (–)-Circumdatins H and J.
U. A. Kshirsagar and N. P. Argade* Org. Lett. 2010, 12, 3716.
3) Total Synthesis of Proposed Auranthine.
U. A. Kshirsagar, V. G. Puranik and N. P. Argade* J. Org. Chem. 2010, 75, 2702.
2) Facile Approach to Diverse Range of 1,3-Diaza-heterocycles: Angular/Linear Selectivity Paradigm and a Remarkable Intramolecular Methyl
Migration.
U. A. Kshirsagar and N. P. Argade* Tetrahedron 2009, 65, 5244.
1) Hexamethyldisilazane-Iodine Induced Intramolecular Dehydrative Cyclization of Diamides: A General Access to Natural and Unnatural
Quinazolinones.
U. A. Kshirsagar, S. B. Mhaske and N. P. Argade* Tetrahedron Lett. 2007, 48, 3243.
PATENTS:
Coumestan, Coumestan Derivatives and Processes for Making the Same and Uses of Same.
D. Pappo, R. Parnes, U. A. Kshirsagar, R. Ofir.
i) US 20150336977 A1 (2015);
ii) WO 2014106848 A1 (2014);
iii) EP 2941421 A1 (2015);
iv) EP 2941421 A4 (2016)