Publications

# equal contributions

$ undergraduate author(s)

* corresponding author(s)

Sahana, T.; Karayil, M. A.; Kolay, R.; Bertke, J. A.; Kundu, S.*

ChemRxiv. DOI: 10.26434/chemrxiv.15001903/v1 (13-April-2026) - preprint

Reversible Hydrogen Atom Exchange Between Phenoxyl Radical and Phenol at Cobalt(II): Role of Coordination-induced Bond Activation.

Anju, B. S.; Nair, N. R.($); Rajput, J.; Shenoy, R.; Mondal, I.; Bertke, J. A.; Mondal, B.;* Kundu, S.*

ChemRxiv. DOI: 10.26434/chemrxiv.15000624/v1 (05-March-2026) - preprint

Reductive and Oxidative Transformations of Nitrite at Nickel(II): Insights into the Generation, Electronic Structure, and Reactivity of {NiNO}10.

Kundu, S.,* Gupta, S.

Encyclopedia of Inorganic and Bioinorganic Chemistry, ISBN 9781119951438.

Reductive Transformations of Nitrite in Natural and Biomimetic Systems.

First published on 27-03-2026.

Gayathri, K.; Shaju, C.($); Benny, A. P.($); Kundu, S.*

J. Am. Chem. Soc. 2025, 147, 45084-45092.

Nitrite as a Synthon for Nitroxyl (HNO): Mechanistic Insights and Chemical Evidences of Transient Intermediates.

Sahana, T.; Kundu, S.*

Inorg. Chem. 2025, 64, 16829–16837.

Crosstalk among Thiol, Nitrite, and Dichalcogenides in Nitric Oxide Signaling: Insights into the Role of Noncovalent Interactions.

Gupta, S.; Dhanusree C. K.; Stieber, S. C. E.; Kundu, S.*

Eur. J. Inorg. Chem. 2025, 28, e202500113.

Mechanism of Phenol Oxidation by CuCl2.

Anju, B. S.; Nair, N. R.($); Rajput, J.; Bertke, J. A.; Mondal, B.;* Kundu, S.*

Chem. Sci. 2024, 15, 18000-18007.

Role of Ancillary Ligands in S-nitrosothiol and NO Generation from Nitrite-Thiol Interactions at Mononuclear Zinc(II) Sites.

Dhanusree C. K., Rejith, R.($), Bertke, J. A.; Kundu, S.*

Chem. Eur. J. 2024, e202403158. <HOT Paper>

Tuning the Reactivity of Copper(II)–Nitrite Core Towards Nitric Oxide Generation

Sahana, T.; Adwaith, V.($); Kundu, S.*

Chem. Commun. 2024, 60, 7725-7728.

Chalcogen Bonding Interactions Between Ebselen and Nitrite Promote N-nitrosation of Amine.

Gayathri, K.; Sahana, T.; Shilpa M. J.($); Kundu, S.*

Angew. Chem. Int. Ed. 2023, e202313187. <HOT Paper>

Synergistic Activation of Nitrite and Thiocarbonyl Compounds Affords NO and Sulfane Sulfur via (Per)thionitrite (SNO–/SSNO–).

Anju, B. S.; Nair, N. R.($); Kundu, S.*

Angew. Chem. Int. Ed. 2023, e202311523.

Nitrite and Nitric Oxide Interconversion at Mononuclear Copper(II): Insight into the Role of the Red Copper Site in Denitrification.

Gayathri K.; Chattopadhyay, T.; Mondal, A.; Aiswarya P.($); Girish M.($); Kundu, S.*

Chem. Eur. J. 2023, e202301409.

Modeling Reactivity of Nitrite and Nitrous Acid at a Phenolate Bridged Dizinc(II) Site: Insights into NO Signaling at Zinc.

Sahana, T.; Adwaith, V.($); Anaswar, A.($); Kundu, S.*

ACS Org. Inorg. Au 2023, 3, 246-253.

NO Generation from Nitrite at Zinc(II): Role of Thiol Persulfidation in the Presence of Sulfane Sulfur.

Mondal, A.; Reddy, K. P.($); Som, S.; Chopra, D.; Kundu, S.*

Inorg. Chem. 2022, 61, 20337-20345.

Nitrate and Nitrite Reductions at Copper(II) Sites: Role of Non-covalent Interactions from Second-Coordination-Sphere.

Ahmed M. E.; Boroujeni, M. R.; Ghosh, P.; Greene, C.; Kundu, S.; Bertke, J.A.; and Warren, T. H.*

J. Am. Chem. Soc. 2022, 144, 21136-21145.

Electrocatalytic Ammonia Oxidation by a Low-Coordinate Copper Complex.

Ghosh, P.; Stauffer, M.; Hosseininasab, V.; Kundu, S.; Bertke, J.A.; Cundari, T. R.; and Warren, T. H.* J. Am. Chem. Soc. 2022, 144, 15093-15099.

NO Coupling at Copper to cis-Hyponitrite: N2O Formation via Protonation and H-Atom Transfer.

Gupta, S.; Vijayan, S. ($); Bertke, J. A.; Kundu, S.*

Inorg. Chem. 2022, 61, 8477-8483.

NO Generation from the Cross-talks Between Ene-diol Antioxidants and Nitrite at Metal Sites.

Sahana, T.; Dhanusree, C. K.; Kundu, S.*

Chem. Eur. J. 2022, 28, e202200776.

Cross-talks Between Sulfane Sulfur and Thiol at a Zinc(II) Site.

Gupta, S.; Arora, S.; Mondal, A.; Stieber, S. C. E.; Gupta, P.;* Kundu, S.*

Eur. J. Inorg. Chem. 2022, 15, e202200105. <Very Important Paper> <EURJIC TALENTS>

A Copper(II)-Nitrite Complex Hydrogen-Bonded to a Protonated Amine in the Second-Coordination-Sphere.

Ash, P.; Chakravarty, A.; Comba, P.; Dey, A.; Goswami, D.; Jager, C.; Karlin, K.; Kundu, S.; La Gatta, S.; Domene, R. L.; Marechal, J.-D.; Mazumdar, S.; Mugesh, G.; Pantazis, D.; Pordea, A.; Sadler, P.; Schunemann, V.; Sen Gupta, S.; Shoji, O.; Solomon, E. I.; Walton P.; Wolny, J. A.

Faraday Discussions 2022, 234, 367-387.

Natural and artificial enzymes and medicinal aspects: general discussion.

Aldous, L.; Comba, P.; DeBeer, S.; Dey, A.; Draksharapu, A.; Duboc, C.; Itoh, S.; Karlin, K.; Kundu, S.; Domene, R. L.; Marechal, J. D.; Mazumdar, S.; Mukherjee, R.; Parker, D.; Pordea, A.; Que, L.; Rath, S.; Sadler, P.; Sastri, C.; Schindler, S.; Schunemann, V.; Sen Gupta, S.; Solomon E. I.; Stack D.

Faraday Discussions 2022, 234, 129-142.

Small molecule activation and synthetic analogues: general discussion.

Gayathri, K.; Kundu, S.*

Handbook of CH Functionalization, 1st Ed. Wiley (2021), Edited by Prof. Debabrata Maiti (ISBN 9783527834242)

Chapter Title: Copper in C-H Functionalization: Mechanistic Insights into C-H to C-C/N/O Transformations. DOI: 10.1002/9783527834242.chf0222.

Sahana, T.; Mondal, A.; Anju, B. S.; Kundu, S.*

Angew. Chem. Int. Ed. 2021, 60, 20661-20665.<HOT Article>

Metal-free Transformations of Nitrogen-oxyanions to Ammonia via Oxoammonium Salt.

Chandra, A.; Ansari, M.; Monte-Pérez, I.; Kundu, S.; Rajaraman, G.;* Ray, K.*

Angew. Chem. Int. Ed. 2021, 60, 14954-14959.

Ligand-Constraint-Induced Peroxide Activation for Electrophilic Reactivity.

Phu, P. N.; Guierrez, C. E.; Kundu, S.; Sokaras, D.; Kroll, T., Warren, T. H.;*

Stieber, S. C. E.*

Inorg. Chem. 2021, 60, 736-744.

Quantification of Ni–N–O Bond Angles and NO Activation by X-ray Emission Spectroscopy.

Ananya, S. ($);# Mondal, A.;# Chattopadhyay, T.;# Gayathri, K.; Kundu, S.*

Inorg. Chem. 2020, 59, 16154-16159.

H2S Generation from CS2 Hydrolysis at a Dinuclear Zinc(II) Site.

Anju, B. S.; Bhattacharjee, R.; Gupta, S.; Ahammad, S. ($); Datta, A.;* Kundu, S.*

Chem. Commun. 2020, 56, 12166-12169.

Deoxygenation of nitrosoarene by N-heterocyclic carbene (NHC): an elusive Breslow-type intermediate bridging carbene and nitrene.

Chandra, A.; Mebs, S.; Kundu, S.; Kuhlmann, U.; Hildebrandt, P.; Dau, H.; Ray, K.*

Dalton Trans. 2020, 49, 6065-6073.

Catalytic Dioxygen Reduction Mediated by a Tetranuclear Cobalt Complex Supported on a Stannoxane Core.

Maria S. ($); Chattopadhyay, T.; Ananya S.;$ Kundu, S.*

Inorg. Chim. Acta. 2020, 506, 119515.

Reduction of Nitrite to NO at a Mononuclear Copper(II)-Phenolate Site.

(Contribution to the special ICA issue honoring Prof. G. K. Lahiri, IIT Bombay)

Mondal, A.; Reddy, K. P. ($); Bertke, J. A.; Kundu, S.*

J. Am. Chem. Soc. 2020, 142, 1726-1730.

Phenol Reduces Nitrite to NO at Copper(II): Role of a Proton-Responsive Outer Coordination Sphere in Phenol Oxidation.

Chattopadhyay, T.;# Anju B. S.,# Gupta, S.;# Ananya S. ($), Bertke, J. A.; Kundu, S.*

Dalton Trans. 2019, 48, 7085-7089.

NOx- Anion Recognition by Bimetallic Cryptates: Selectivity for Nitrite over Nitrate.

(This article is a part of the themed collection: New Talent: Asia-Pacific)

Kundu, S.; Phu, P. N.; Ghosh, P.; Kozimor, S. A.; Bertke, J. A.; Stieber, S. C. E.;*

Warren, T. H.*

J. Am. Chem. Soc. 2019, 141, 1415-1419 .

Nitrosyl Linkage Isomers: NO Coupling to N2O at a Mononuclear Site.

Before joining IISER-TVM:

Monte-Pérez, I.;# Kundu, S.;# Chandra, A.; Craigo, K. E.; Chernev, P.; Kuhlmann, U.; Dau, H.; Hildebrandt, P.; Greco, C.; Stappen, C. V.;* Lehnert, N.;* Ray, K.* (# equal contributions)

J. Am. Chem. Soc. 2017, 139, 15033-15042.

Temperature Dependence of the Catalytic Two- versus Four-Electron Reduction of Dioxygen by a Hexanuclear Cobalt Complex.

Kundu, S.; Greene, C.; Williams, K. D.; Salvador, T. K.; Bertke, J. A.; Cundari, T. R.;* Warren, T. H.*

J. Am. Chem. Soc. 2017, 139, 9112-9115.

Three Coordinate Copper(II) Aryls: Key Intermediates in C-O bond formation.

Kundu, S.;* Kim, W. Y.; Bertke, J. A.; Warren, T. H.*

J. Am. Chem. Soc. 2017, 139, 1045-1048.

Copper(II) Activation of Nitrite: Nitrosation of Nucleophiles and Generation of NO by Thiols.
Selected by the editor for featuring in JACS Spotlights (J. Am. Chem. Soc. 2017, 139, 565-565).

Sakhaei, Z.; Kundu, S.; Donnelly, J. M.; Bertke, J. A.; Kim, W. Y.; Warren, T. H.*
Chem. Commun. 2017, 53, 549-552.

Nitric oxide release via oxygen atom transfer from nitrite at copper(II).

Salvador, T. K.; Arnett, C. H.; Kundu, S.; Sapiezynski, N. G.; Bertke, J. A. Boroujeni, M. R.; Warren, T. H.*

J. Am. Chem. Soc. 2016, 138, 16580-16583.

Copper Catalyzed sp3 C-H Etherification with Acyl Protected Phenols.

Kundu, S.;* Stieber, S. C. E.;* Ferrier, M. G.; Kozimor, S. A.; Bertke, J. A.; Warren, T. H.*
Angew. Chem. Int. Ed. 2016, 55, 10321-10325.

Redox noninnocence of nitrosobenzene at nickel.

Zhang, S., Fallah, H., Gardner, E. J., Kundu, S.; Bertke, J. A.; Cundari, T. R.;* Warren, T. H.*
Angew. Chem. Int. Ed. 2016, 55, 9927-9931.

A dinitrogen dicopper(I) complex via a mixed valent dicopper-hydride (Accepted as a Hot paper).

Kundu, S.; Chernev, P.; Engelmann, X.; Chung, C. S.; Dau, H,; Bill, E.; England, J.;* Nam, W.;* Ray, K.*

Dalton Trans. 2016, 45, 14538-14543.

A Cobalt(II) Iminoiodane Complex and its Scandium Adduct: Mechanistic Promiscuity in Hydrogen Atom Abstraction Reactions.

Monte-Pérez, I.; Kundu, S.; Ray, K.*

Z. Anorg. Allg. Chem. 2015, 641, 78-82.

An open-shell singlet Copper-nitrene intermediate binding redox innocent metal ions: Influence of the Lewis acidity of the metal ions on spectroscopic and reactivity properties.

Kundu, S.;# Miceli, E.;# Farquhar, E.; Ray, K.*

Dalton Trans. 2014, 43, 4264-4267.

Mechanism of phenol oxidation by heterodinuclear Ni Cu bis(µ-oxo) complexes involving nucleophilic oxo groups.

Kundu, S.; Pfaff, F. F.; Miceli, E.; Zaharieva, I.; Herwig, C.; Yao, S.; Farquhar, E. R.; Kuhlmann, U.; Bill, E.; Hildebrandt, P.; Dau, H.; Driess, M.;* Limberg, C.;* Ray, K.*
Angew. Chem. Int. Ed. 2013, 52, 5622-5626.

A high valent heterobimetallic [CuIII(μ-O)2NiIII]2+ core with nucleophilic oxo groups.
(Accepted as a Very Important Publication (VIP) and highlighted on front cover: Angew. Chem. Int. Ed.2013, 52, 5409-5647.)

Kundu, S.; Miceli, E.; Farquhar, E.; Pfaff, F. F.; Kuhlmann, U.; Hildebrandt, P.; Braun, B.; Greco, C.; Ray, K.*

J. Am. Chem.Soc. 2012, 134, 14710-14713.

Lewis acid trapping of an elusive copper-tosylnitrene intermediate using scandium triflate.
News coverage: Chemistry Views (Wiley-VCH & ChemPubSoc Europe) and Highlighted on Nature Chemistry news and views: Nat. Chem. 2013, 5, 7-9.

Kundu, S.; Schwalbe, M.;* Ray, K.*

BioInorg. React. Mech. 2012, 8, 41-57.

Metal-oxo-mediated O-O bond formation reactions in chemistry and biology.

Pfaff, F. F.;# Heims, F.;# Kundu, S.; Mebs, S.; Ray, K.*

Chem. Commun. 2012, 48,3730-3732.

Spectroscopic capture and reactivity of S = ½ nickel(III)–oxygen intermediates in the reaction of a NiII-salt with mCPBA.

Kundu, S.; Matito, E.; Walleck, S.; Pfaff, F. F.; Heims, F.; Rábay, B.; Luis, J. M.; Company, A.; Braun, B.; Glaser, T.; Ray, K.*

Chem. Eur. J. 2012, 18, 2787-2791.

O-O bond formation mediated by a hexanuclear iron complex supported on a stannoxane core.

Pfaff, F. F.; Kundu, S.; Risch, M.; Pandian, S.; Heims, F.; Pryjomska-Ray, I.; Haack, P.; Metzinger, R.; Bill, E.; Dau, H.; Comba, P.; Ray, K.*

Angew. Chem. Int. Ed. 2011, 50, 1711-1715.

An oxocobalt(IV) complex stabilized by Lewis acid interactions with scandium(III) ions.