Research Publications

1

Visible‐Light‐Induced Decarboxylative Cross‐Coupling Reactions: Transition‐Metal and Metal‐Free Approaches

Bhaskarjyoti Borah, Sushmita Banerjee, Alexander Efimov, Bharat Kumar Allam*,

The Chemical Record, 2026, , e70222, 10.1002/tcr.70222

2

Impact of Trace Metals on Biogas Production Parameters in Mesophilic and Thermophilic Downflow Anaerobic Bioreactor

Suresh Raju Penmesta, Bharat Kumar Allam*, Pavan Kumar Gautam, Sushmita Banerjee,

Macromolecular Symposia, 2026, 415, e70188, 10.1002/masy.70188

3

Aryl Sulfonyl Zinc Chloride Compounds and Methods of Preparation Thereof

Bharat Kumar Allam*, Bhaskarjyoti Borah, and Sushmita Banerjee,

The Indian Patent Office Journal, 2026, 20, 57011,

4

Advancing sulfono functionalization: integrating classic and contemporary approaches to drive innovation in synthetic chemistry

Bhaskarjyoti Borah, Sushmita Banerjee, Bharat Kumar Allam*,

Asian Journal of Organic Chemistry, 2025, 14, e00456, 10.1002/ajoc.202500456

5

Recent advancements in the anaerobic treatment of molasses wastewater in the context of process parameters and valorization aspect

Suresh Raju Penmetsa, Pavan Kumar Gautam, Bharat Kumar Allam, N Manika, Sushmita Banerjee,

Water Practice & Technology, 2025, 20, 340-361, 10.2166/wpt.2025.009

6

Pollution status of microplastics in the sediments of warm monomictic Dal lake, India: Abundance, composition, and risk assessment

Samreen Sajad*, Bharat Kumar Allam*, Abhijit Debnath, Pargin Bangotra, Sushmita Banerjee (* = Co-First Author)

Environmental Pollution, 2024, 363, 125247, 10.1016/j.envpol.2024.125247

7

Recent advances in the catalytic applications of tin dioxide-based materials in the synthesis of bioactive heterocyclic compounds

Bhaskarjyoti Borah, Sushmita Banerjee, Bharat Kumar Allam*,

Tetrahedron Green Chem, 2024, 4, 100048, 10.1016/j.tgchem.2024.100048

8

Cutting‐Edge Strategies and Advancements for Combating Synthetic Polymer Pollution in Various Environmental Samples: A Review

Samreen Sajad, Bharat Kumar Allam, Sushmita Banerjee, MZA Yahya, Nor Mas Mira Abd Rahman, Pramod Kumar Singh,

ChemistrySelect, 2024, 9, e202402408, 10.1002/slct.202402408

9

Visible-light driven photodegradation of low-density polyethylene (LDPE) using BiOCl–ZrO2 nanocomposite: A sustainable strategy for mitigating plastic pollution

Samreen Sajad, Bharat Kumar Allam*, Mika Sillanpää, Saleh Al-Farraj, Pramod Kumar Singh, Sushmita Banerjee,

Nano-Structures & Nano-Objects, 2024, 38, 101149, 10.1016/j.nanoso.2024.101149

10

Design and development of a pilot plant for the treatment of pharmaceutical wastewater containing molasses

Suresh Raju Penmetsa, Bharat Kumar Allam, Deepak Pise, Pavan Kumar Gautam, Sushmita Banerjee, Vijay Kumar,

Water Practice & Technology, 2024, 19, 489-501, 10.2166/wpt.2024.004

11

Method and Apparatus for Decontamination of Aqueous Sample Contaminated with Radioactive Substances

Pargin Bangotra, Sushmita Banerjee, Bharat Kumar Allam, Samreen Sajad, Zainab Mushtaq,

Indian Patent (Granted), 2023, , 457145,

12

Water Filter Apparatus for Extracting Uranium from Water

Sushmita Banerjee, Pargin Bangotra, Bharat Kumar Allam, Rohit Mehra,

Indian Patent (Granted), 2023, , 431391,

13

Synthesis, characterization, and phytotoxicity evaluation of Ce/Zr bimetallic oxides as adsorbents for nitrate decontamination from water

Neksumi Musa, Bharat Kumar Allam*, Samreen Sajad, Nakshatra Bahadur Singh, Sushmita Banerjee,

Groundwater for Sustainable Development, 2023, 23, 101034, 10.1016/j.gsd.2023.101034

14

Investigation on water defluoridation via batch and continuous mode using Ce–Al bimetallic oxide: Adsorption dynamics, electrochemical and LCA analysis

Neksumi Musa*, Bharat Kumar Allam*, Nakshatra Bahadur Singh, Sushmita Banerjee, (* = Co-First Author)

Environmental Pollution, 2023, 328, 121639, 10.1016/j.envpol.2023.121639

15

Biogenic Synthesis of Zinc Oxide/Chitosan Nanocomposite using Callistemon citrinus (Bottle Brush) for Photocatalytic Degradation of Methylene Blue

Usman Lawal Usman, Nakshatra Bahadur Singh, Bharat Kumar Allam*, Sushmita Banerjee,

Macromolecular Symposia, 2023, 407, 2100357, 10.1002/masy.202100357

16

Microplastic detection and analysis from water and sediment: A review

Samreen Sajad, Bharat Kumar Allam*, Zainab Mushtaq, Sushmita Banerjee,

Macromolecular Symposia, 2023, 407, 2100367, 10.1002/masy.202100367

17

Adsorptive removal of Cr (VI) from wastewater by hexagonal boron nitride-magnetite nanocomposites: Kinetics, mechanism and LCA analysis

Usman Lawal Usman, Bharat Kumar Allam*, Nakshatra Bahadur Singh, Sushmita Banerjee,

Journal of Molecular Liquids, 2022, 354, 118833, 10.1016/j.molliq.2022.118833

18

Plant extract mediated synthesis of Fe3O4-chitosan composite for the removal of lead ions from aqueous solution

Usman Lawal Usman, Nakshatra Bahadur Singh, Bharat Kumar Allam, Sushmita Banerjee,

Materials Today: Proceedings, 2022, 60, 1140-1149, 10.1016/j.matpr.2022.02.311

19

Recent developments and application of bimetallic based materials in water purification

Bharat Kumar Allam*, Neksumi Musa, Abhijit Debnath, Usman Lawal Usman, Sushmita Banerjee,

Environmental Challenges, 2021, 5, 100405, 10.1016/j.envc.2021.100405

20

Adsorptive and photocatalytic performance of perovskite material for the removal of food dye in an aqueous solution

Sushmita Banerjee, Abhijit Debnath, Bharat Kumar Allam, Neksumi Musa,

Environmental Challenges, 2021, 5, 100240, 10.1016/j.envc.2021.100240

21

Nickel‐Catalyzed Decarboxylative C–Si Bond Formation: A Regioselective Cross‐Coupling Between Trialkyl Silanes and α, β‐Unsaturated Carboxylic Acids

Bharat Kumar Allam, Sadaf Azeez, Jeyakumar Kandasamy,

Applied Organometallic Chemistry, 2019, 33, e5192, 10.1002/aoc.5192

22

A New Avenue to the Synthesis of Symmetrically Substituted Pyridines Catalyzed by Magnetic Nano–Fe3O4: Methyl Arenes as Sustainable Surrogates of Aryl Aldehydes

Somaiah Gajaganti, Dhirendra Kumar, Sundaram Singh, Vandana Srivastava, Bharat Kumar Allam*,

ChemistrySelect, 2019, 4, 9241-9246, 10.1002/slct.201900289

23

An Efficient, Green, and Solvent-free Multi-component Synthesis of Benzimidazolo/Benzothiazolo Quinazolinone Derivatives Using Sc (OTf)3 Catalyst Under Controlled Microwave Irradiation

Somaiah Gajaganti, Savita Kumari, Dhirendra Kumar, Bharat Kumar Allam, Vandana Srivastava, Sundaram Singh,

Journal of Heterocyclic Chemistry, 2018, 55, 2578-2584, 10.1002/jhet.3314

24

A binuclear Cu(i) complex as a novel catalyst towards the direct synthesis of N-2-aryl-substituted-1,2,3-triazoles from chalcones

Divya Pratap Singh, Bharat Kumar Allam, Rahul Singh, Krishna Nand Singh, Vinod Prasad Singh,

RSC advances, 2016, 6, 15518-15524, 10.1039/c5ra27907k

25

5-Lipoxygenase and Cyclooxygenase Inhibitory Dammarane Triterpenoid 1 from Borassus flabellifer Seed Coat Inhibits Tumor Necrosis Factor-α Secretion in LPSInduced THP-1 Human Monocytes and Induces Apoptosis in MIA PaCa-2 Pancreatic Cancer Cells

Nagendra Sastry Yarla, Rajaram Azad, Mahaboob Basha, Abdul Rajack, DSVGK Kaladhar, Bharat Kumar Allam, Rajeswara Rao. Pragada, Krishna Nand Singh, Sunanda Kumari K, Reddanna Pallu, Umadevi Parimi, Anupam Bishayee, Govinda Rao. Duddukuri,

Anti-Cancer Agents in Medicinal Chemistry-Anti-Cancer Agents), 2015, 8, 1066-1077, 10.2174/1871520615666150202110936

26

A direct metal-free decarboxylative sulfono functionalization (DSF) of cinnamic acids to α, β-unsaturated phenyl sulfones

Rahul Singh, Bharat Kumar Allam, Neetu Singh, Kumkum Kumari, Satish Kumar Singh, Krishna Nand Singh,

Organic letters, 2015, 17, 2656-2659, 10.1021/acs.orglett.5b01037

27

Nickel‐Catalyzed C-S Bond Formation: Synthesis of Aryl Sulfides from Arylsulfonyl Hydrazides and Boronic Acids

Rahul Singh, Bharat Kumar Allam, Neetu Singh, Kumkum Kumari, Satish Kumar Singh, Krishna Nand Singh,

Advanced Synthesis & Catalysis, 2015, 357, 1181-1186, 10.1002/adsc.201400983

28

Binuclear Cu(I) complex of (N′1E,N′2E)-N′1,N′2-bis(phenyl(pyridin-2-yl)methylene)oxalohydrazide: Synthesis, crystal structure and catalytic activity for the synthesis of 1,2,3-triazoles

Divya Pratap Singh, Bharat Kumar Allam, Krishna Nand Singh, Vinod Prasad Singh,

Journal of Molecular Catalysis A: Chemical, 2015, 398, 158-163, 10.1016/j.molcata.2014.12.003

29

A convenient and green approach for the synthesis of 2H-indazolo [2, 1-b] phthalazinetriones

Dushyant Singh, Bharat Kumar Allam, Krishna Nand Singh,

Indian Journal of Chemistry, 2014, 53, 1462-1467, 10.1002/chin.201519220

30

A simple and sustainable tetrabutylammonium fluoride (TBAF)-catalyzed synthesis of azaarene-substituted 3-hydroxy-2-oxindoles through sp3 C–H functionalization

Kumkum Kumari, Bharat Kumar Allam, Krishna Nand Singh,

RSC advances, 2014, 4, 19789-19793, 10.1039/c3ra47332e

31

A binuclear Mn(ii) complex as an efficient catalyst for transamidation of carboxamides with amines

Divya Pratap Singh, Bharat Kumar Allam, Krishna Nand Singh, Vinod Prasad Singh,

RSC advances, 2013, 4, 1155-1158, 10.1039/c3ra45176c

32

N, N, N′, N′-Tetramethylethane-1, 2-diamine (TMEDA)

Bharat Kumar Allam,

Synlett, 2013, 24, 2327-2328, 10.1055/s-0033-1339856

33

An Efficient Tetrabutylammonium Fluoride (TBAF)‐Catalyzed Three‐Component Synthesis of 3‐Substituted Indole Derivatives under Solvent‐Free Conditions

Neetu Singh, Bharat Kumar Allam, Dushyant Singh Raghuvanshi, Krishna Nand Singh,

Advanced Synthesis & Catalysis, 2013, 355, 1840-1848, 10.1002/adsc.201300162

34

Utilization of carbon disulfide as a powerful building block for the synthesis of 2-aminobenzoxazoles

Tirumaleswararao Guntreddi, Bharat Kumar Allam, Krishna Nand Singh,

RSC advances, 2013, 3, 9875-9880, 10.1039/c3ra41189c

35

A novel and simple transamidation of carboxamides in 1, 4-dioxane without a catalyst

Rajeshwer Vanjari, Bharat Kumar Allam, Krishna Nand Singh,

Tetrahedron Letters, 2013, 54, 2553-2555, 10.1016/j.tetlet.2013.03.049

36

Cooperatively assisted N-arylation using organic ionic base–Brønsted acid combination under controlled microwave heating

Rahul Singh, Bharat Kumar Allam, Dushyant Singh Raghuvanshi, Krishna Nand Singh,

Tetrahedron, 2013, 69, 1038-1042, 10.1016/j.tet.2012.11.078

37

Hypervalent iodine catalyzed transamidation of carboxamides with amines

Rajeshwer Vanjari, Bharat Kumar Allam, Krishna Nand Singh,

RSC advances, 2012, 3, 1691-1694, 10.1039/c2ra22459c

38

Simple and efficient one-pot synthesis of imidazo [1, 2-a] pyridines catalyzed by magnetic nano-Fe3O4–KHSO4· SiO2

Tirumaleswararao Guntreddi, Bharat Kumar Allam, Krishna Nand Singh,

, 2012, 23, 2635-2638, 10.1055/s-0032-1317323

39

Highly efficient one-pot synthesis of primary amides catalyzed by scandium (III) triflate under controlled MW

Bharat Kumar Allam, Krishna Nand Singh,

Tetrahedron letters, 2011, 52, 5851-5854, 10.1016/j.tetlet.2011.08.150

40

An efficient phosphine-free Heck reaction in water using Pd (L-proline) 2 as the catalyst under microwave irradiation

Bharat Kumar Allam, Krishna Nand Singh,

Synthesis, 2011, 2011, 1125-1131, 10.1055/s-0030-1258452