Pyrrolo[1,2-a] quinoxaline: A Combined Experimental and Computational Study on the Photophysical Properties of a New Photo-functional Building Block

Adarash Kumar Shukla, Savita Choudhary, Dilawar Singh Sisodiya, Ashutosh Mahale, Pravinkumar Vipparthi, Togiti Uday Kumar, Onkar Prakash Kulkarni, Anjan Chattopadhyay, and Anupam Bhattacharya, Journal of Physical Chemistry. B (just accepted, https://doi.org/10.1021/acs.jpcb.5c01810).

Excited State Dual Proton Transfer on a β-Carboline Fluorophore and Its Variable Response to Water and D2O

Adarash Kumar Shukla, Savita Choudhary, Ajit. G. Wadkar, Paulkar Suraj, Jayabalan Nirmal, and Anupam Bhattacharya, Chem Eur J. 2025, e202500517.

Zinc Sensing by a Janus-Faced Fluorophore and its Application in the Cellular Microenvironment

Ajit. G. Wadkar, Savita Choudhary, Pravinkumar Vipparthi, Adarash Kumar Shukla,  Onkar Prakash Kulkarni, and Anupam Bhattacharya, Chem Asian J. 2025, e202401726.

Substituent-Driven ESIPT in Chromeno-Pyrroloquinoline Probe for Differentiating Normal and Cancer Cells

Savita Choudhary, Paulkar Suraj, Adarash Kumar Shukla, Ajit. G. Wadkar, Jayabalan Nirmal, and Anupam Bhattacharya, Chem Asian J. 2025, e202401303.

Revisiting the Excited State Proton Transfer Dynamics in N-Oxide-Based Fluorophore: A Keto-Enol/Enolate Interplay to Detect Trace Water in Organic Solvents

Savita, Adarash Kumar Shukla, and Anupam Bhattacharya, J. Mater. Chem. C, 2025, 13, 273–284.

Understanding Selective Sensing of Human Serum Albumin using a D-π-A Probe: A Photophysical and Computational Approach

Anamika Bandyopadhyay and Anupam Bhattacharya, J. Mater. Chem. B, 2024, 12, 10719–10735. 

HSA over BSA: Selective detection of Human Serum Albumin via a naphtho [2,1-b] furan-based system

Anamika Bandyopadhyay, Rituparna Hazra, Durba Roy, and Anupam Bhattacharya. Chem Asian J. 2024, e202301055. 

Development and Validation of a Fluorogenic Probe for Lysosomal Zinc Release

Adarash Kumar Shukla, Ashutosh Mahale, Savita, Pravesh Sharma, Onkar Prakash Kulkarni,  and Anupam Bhattacharya. ChemBioChem, 2024, 25, e202300783.

To Quench or Not: Extending a β‑Carboline Fluorophore for TNT Detection in Aqueous Media via Simultaneous ESPT Destabilization and AIE

 Adarash Kumar Shukla, Dilawar Singh Sisodiya, Savita, Anjan Chattopadhyay,and Anupam Bhattacharya. Journal of Physical Chemistry. B 2023, 127, 10025-10034.

Nickel-assisted selective detection of histidine and histidine-rich proteins via an ON-OFF-ON fluorescent probe and its imaging in live cells

 Anamika Bandyopadhyay, Adarash Kumar Shukla, Priti Singh, Ashutosh Mahale, Shivkumar Sharma Irukuvajjula, Ramakrishna Vadrevu, Onkar P Kulkarni, Mudit Dixit, and Anupam Bhattacharya. Journal of Photochemistry & Photobiology, A: Chemistry, 2023, 443, 114885.  

Visible light sensing of ions by a cyanoquinoxaline 1,4-dioxide-based probe and its applications

 Savita, Adinarayana Nandikolla, Adarash Kumar Shukla, Kondapalli Venkata Gowri Chandra Sekhar and Anupam Bhattacharya, Dalton Transactions, 2023, 52, 4103-4111.

A modular approach to fluorescent probes: Extending the scope of β-carboline scaffold to selective fluoride sensing and its application in the visualisation of fluoride-induced ROS

Adarash Kumar Shukla, Savita, Ashutosh Mahale, Onkar P. Kulkarni and Anupam Bhattacharya. Journal of Photochemistry & Photobiology, A: Chemistry, 2023, 437, 114453.

Copper acetate catalysed C–C bond formation en route to the synthesis of spiro indanedione cyclopropylpyrazolones

Thirupathi Reddy Penjarla, Adarash Kumar Shukla, Rituparna Hazra, Durba Roy, Maheshwar Kundarapu, Mudit Dixit and Anupam Bhattacharya. Organic and Biomolecular Chemistry, 2022, 20, 3779-3784.  

Pyrrole-pyridine chelating motif on the β-carboline skeleton: Selective Zn²⁺sensing via inhibition of ESIPT

Adarash Kumar Shukla, Rituparna Hazra, Pravesh Sharma, Subit Kumar Saha, Durba Roy, Onkar Prakash Kulkarni and Anupam Bhattacharya. Dyes and Pigments, 2022, 202, 110238.

Pyrrolo[1,2-a]quinoxalines from chalcones: An alternate route

Uday Kumar, Adarash K Shukla and A. Bhattacharya.Tetrahedron Letters, 2021, 70, 153008.

Iodine assisted synthesis of CF3 appended spirodihydrofuryl/cyclopropyl oxindoles by changing the active methylene sources

 T.R. Penjarla, M. Kandarapu, R. Krishnan and A. Bhattacharya. Organic and Biomolecular Chemistry, 2020, 18, 9623-9631.

Fused Chromeno-Thieno/Furo-Pyridines as Potential Analogs of Lamellarin D and their Anticancer Activity Evaluation

Uday Kumar, Y. Bobde, S. Pulya, R. Krishnan, B. Ghosh and A. Bhattacharya. Chemistry Select, 2019, 4, 10726-10730. 

Total synthesis of the plant alkaloid racemic Microthecaline A: First example of a natural product bearing tricyclic quinoline-serrulatane scaffold

 T.R. Penjarla, M. Kandarapu, S. Baquer and A. Bhattacharya. RSC Advances, 2019, 9, 23289-23294. 

Iron(III) catalyzed direct C-H functionalization at the C-3 position of chromone for the synthesis of fused chromeno-quinoline scaffolds

Uday Kumar, D. Roy and A. Bhattacharya.Tetrahedron Letters, 2019, 60, 1895-1898. 

Selective Sensing of Iron by pyrrolo[2,3-c]quinolines

Uday Kumar, S. Pawar, A. Nag and Anupam Bhattacharya, Journal of Fluorescence, 2019, 29, 271-277.

Application of Polyphosphoric Acid-Mediated Acyl Migration for Regiospecific Synthesis of Diverse 2-Acylpyrroles from Chalcones

Uday Kumar, Y. Thigulla, K. Rangan and A. Bhattacharya. Journal of Heterocyclic Chemistry, 2019, 56, 1283-1290. 

Synthesis of 4-substituted pyrrolo [2,3-c]quinolines via microwave assisted C-N bond formation

T.R. Penjarla, M. Kandarapu, S. Baquer and A. Bhattacharya. Chemistry Select, 2018, 3, 9744-975.

One pot Two step Nazarov-Schmidt Rearrangement for the synthesis of δ-lactam systems

Thigulla, S. Ranga, S. Ghosal, J. Subbalakshmi and A. Bhattacharya. Chemistry Select, 2017, 2, 9744-9750.

A straightforward and first total synthesis of Penilumamides B-D

T.R. Penjarla, M. Kandarapu, S. Baquer and A. Bhattacharya. Tetrahedron Letters, 2017, 58, 3347-3349.

One step synthesis of fused chromeno[4,3-b]pyrrolo[3,2-h]quinolin-7(1H)-one Compounds and their Anticancer Activity Evaluation

Thigulla, T. Uday Kumar, P. Trivedi, B. Ghosh and A. Bhattacharya. Chemistry Select, 2017, 2, 2721-2724. 

Synthesis and anti-tubercular activity of fused thieno-/furo-quinoline compounds

M. Akula, P. Yogeeswari, D. Sriram, M. Jha, A. Bhattacharya. RSC Advances, 2016, 6, 46073-46080.

Synthesis and anti-cancer activity of 1, 4-disubstituted imidazo[4,5-c]quinolines

Y. Thigulla, M. Akula, P. Trivedi, B. Ghosh, M. Jha, A. Bhattacharya. Organic and Biomolecular Chemistry,  2016, 14, 876-883.

Selective detection of fluoride using fused quinoline systems: effect of pyrrole

M. Akula, Y. Thigulla, A. Nag, A. Bhattacharya. RSC Advances, 2015, 5, 57231-57234.

Synthesis of 4-substituted oxazolo[4,5-c]quinolines by direct reaction at C-4 position of oxazole

M. Akula, Y. Thigulla, C. Davis, M. Jha, A. Bhattacharya.Organic and Biomolecular Chemistry, 2015, 13, 2600-2605. 

 Selective Zn²⁺ sensing using a modified bipyridine complex

M. Akula, P. Z. El-Khoury, A. Nag, A. Bhattacharya.  RSC Advances, 2014, 4, 25605-25608. 

New class of anti-tubercular compounds: Synthesis and anti-tubercular activity of 4-substituted pyrrolo[2,3-c]quinolines

 M. Akula, J. Padma Sridevi, P. Yogeeswari, D. Sriram, A. Bhattacharya. Monatshefte fur Chemie , 2014, 145, 811-819.