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Kundan K Singh

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Articles 19
Citations 134
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Recent Articles
1.
Gera R, De P, Singh K, Jannuzzi S, Mohanty A, Velasco L, et al.
J Am Chem Soc . 2024 Jul; 146(31):21729-21741. PMID: 39078020
Molecular cavities that mimic natural metalloenzymes have shown the potential to trap elusive reaction intermediates. Here, we demonstrate the formation of a rare yet stable Fe(IV)-superoxo intermediate at room temperature...
2.
Singh K, Gerke C, Saund S, Zito A, Siegler M, Thoi V
Chemistry . 2023 Jul; 29(58):e202300796. PMID: 37519094
Herein, we report the synthesis and characterization of two manganese tricarbonyl complexes, Mn (HL)(CO) Br (1 a-Br) and Mn (MeL)(CO) Br (1 b-Br) (where HL=2-(2'-pyridyl)benzimidazole; MeL=1-methyl-2-(2'-pyridy)benzimidazole) and assayed their electrocatalytic...
3.
Singh K, Bhattacharyya A, Havenridge S, Ghabin M, Ausmann H, Siegler M, et al.
Nanoscale . 2023 Apr; 15(15):6934-6940. PMID: 37009838
Atomically precise gold clusters have attracted considerable research interest as their tunable structure-property relationships have resulted in widespread applications, from sensing and biomedicine to energetic materials and catalysis. In this...
4.
Patty J, Havenridge S, Tietje-Mckinney D, Siegler M, Singh K, Hajy Hosseini R, et al.
J Am Chem Soc . 2021 Dec; 144(1):478-484. PMID: 34957826
We report the first example of a chiral mixed thiolate/stibine-protected gold cluster, formulated as Au(S-Adm)(SbPh)Br (where S-Adm = 1-adamantanethiolate). Single crystal X-ray crystallography reveals the origin of chirality in the...
5.
Chandra B, Singh K, Gupta S
Chem Sci . 2017 Nov; 8(11):7545-7551. PMID: 29163909
The iron complex [(bTAML)Fe-OH] () selectively catalyses the photocatalytic hydroxylation and epoxidation reactions of alkanes and alkenes, respectively, using water as the oxygen-atom source. Upon the oxidation of unactivated alkanes,...
6.
Ghosh M, Pattanayak S, Dhar B, Singh K, Panda C, Gupta S
Inorg Chem . 2017 Aug; 56(18):10852-10860. PMID: 28841016
Nonheme iron complexes bearing tetradentate N-atom-donor ligands with cis labile sites show great promise for chemoselective aliphatic C-H hydroxylation. However, several challenges still limit their widespread application. We report a...
7.
Singh K, Gupta S
Chem Commun (Camb) . 2017 May; 53(43):5914-5917. PMID: 28513663
Aerobic epoxidation of olefins catalyzed by iron complexes without the use of a sacrificial coreductant is unknown. We report the reductive activation of O by a bioinspired [(bTAML)Fe(HO)] (1) complex...
8.
Pattanayak S, Jasniewski A, Rana A, Draksharapu A, Singh K, Weitz A, et al.
Inorg Chem . 2017 May; 56(11):6352-6361. PMID: 28481521
In this report we compare the geometric and electronic structures and reactivities of [Fe(O)] and [Fe(O)] species supported by the same ancillary nonheme biuret tetraamido macrocyclic ligand (bTAML). Resonance Raman...
9.
Pattanayak S, Chowdhury D, Garai B, Singh K, Paul A, Dhar B, et al.
Chemistry . 2016 Dec; 23(14):3414-3424. PMID: 28012231
A detailed electrochemical investigation of a series of iron complexes (biuret-modified tetraamido iron macrocycles Fe -bTAML), including the first electrochemical generation of Fe (O), and demonstration of their efficacy as...
10.
Das D, Pattanayak S, Singh K, Garai B, Gupta S
Chem Commun (Camb) . 2016 Oct; 52(79):11787-11790. PMID: 27709215
Biuret-modified tetraamidomacrocyclic cobalt complex [Co-bTAML] is shown to catalyze electrochemical water oxidation at basic pH leading to the formation of O. Electrochemical and spectroscopic studies indicate a high valent cobalt...