PUBLICATIONS:
Publications as Principal Investigator:
35) 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, Just accepted. (#both authors contributed equally)
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, Just accepted.
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)