Pyridyl and pyrimidyl chalcogen (Se and Te) compounds: A family of multi utility molecules

G Kedarnath, VK Jain - Coordination Chemistry Reviews, 2013 - Elsevier
This review intends to cover the synthesis of both mono-and di-chalcogenides of 2-, 3-and 4-
pyridyl and 2-pyrimidyl groups, their spectroscopic and structural studies. The 77Se and …

Synthesis, characterization, X-ray crystal structure and antibacterial activity of bis [3-(4-chloro-N, N-diethylpyridine-2-carboxamide)] diselenide

JS Dhau, A Singh, P Brandao, V Felix - Inorganic Chemistry …, 2021 - Elsevier
An efficient methodology for the synthesis of bis [3-(4-chloro-N, N-diethylpyridine-2-
carboxamide)] diselenide has been successfully achieved through ring lithiation using 2.2 …

Synthesis and antibacterial activity of pyridylselenium compounds: Self-assembly of bis (3-bromo-2-pyridyl) diselenide via intermolecular secondary and π⋯ π …

JS Dhau, A Singh, A Singh, BS Sooch… - Journal of …, 2014 - Elsevier
Various pyridylseleniums and their hydrochloride salts have been synthesized and
evaluated for their antibacterial activities. SEM, TEM and enzyme profiling techniques have …

Crystal structures of bis (2-methoxy-3-pyridyl) diselenide and bis (2-methoxy-3-pyridyl) ditelluride: an investigation by X-ray crystallography and DFT calculations

A Singh, SN Maximoff, P Brandão, JS Dhau - Journal of Molecular Structure, 2021 - Elsevier
We determined, using single-crystal X-ray diffraction, crystal structures of bis (2-methoxy-3-
pyridyl) diselenide and bis (2-methoxy-3-pyridyl) ditelluride. The diselenide crystallizes in …

A mechanistic study of the synthesis, single crystal X-ray data and anticarcinogenic potential of bis (2-pyridyl) selenides and-diselenides

JS Dhau, A Singh, A Singh, N Sharma, P Brandão… - RSC …, 2015 - pubs.rsc.org
The reaction of bis (organyl) diselenide with a reducing agent, such as LiAlH4, NaBH4, Li
(C2H5) 3BH, etc., generally leads to cleavage of the Se–Se bond resulting in the formation …

Synthesis of Pyridine– and Pyrazine–BF3 Complexes and Their Characterization in Solution and Solid State

E Chénard, A Sutrisno, L Zhu, RS Assary… - The Journal of …, 2016 - ACS Publications
Following the discovery of the redox-active 1, 4-bis-BF3-quinoxaline complex, we undertook
a structure–activity study with the objective to understand the active nature of the …

A study on the antioxidant activity of pyridylselenium compounds and their slow release from poly (acrylamide) hydrogels

JS Dhau, A Singh, A Singh… - Phosphorus, Sulfur, and …, 2014 - Taylor & Francis
The antioxidant activity of pyridylselenium compounds has been evaluated by 1, 1-diphenyl-
2-picrylhydrazyl (DPPH) free radical and nitric oxide (NO) scavenging methods …

A study on the BF3 directed lithiation of 3-chloro-and 3-bromopyridine

JS Dhau, A Singh, Y Kasetti, S Bhatia, PV Bharatam… - Tetrahedron, 2013 - Elsevier
The BF 3-directed lithiation of 3-chloro-and 3-bromopyridine (1a and 1b, respectively) has
been investigated. The reactions of 3-chloro-or 3-bromopyridine–BF 3 adduct with LDA …

Synthesis of C-6 and C-3 substituted chalcogen derivatives of 2-methoxypyridine through lithiation of 2-methoxypyridine: An experimental and quantum chemical …

A Singh, JS Dhau, N Sharma, A Singh - Inorganica Chimica Acta, 2015 - Elsevier
A convenient methodology which can be tailored to incorporate a chalcogen atom at the C-6
or C-3 position of 2-methoxypyridine (1) was developed. This was achieved by the …

FT-IR, NMR, molecular structure, and HOMO-LUMO studies of 3, 5-dimethyl-2-pyridylselenium compounds by density functional theory

N Sharma, JS Dhau, A Singh, A Singh… - … , Sulfur, and Silicon and …, 2017 - Taylor & Francis
The present study explores various quantum chemical models to better understand the
molecular properties of pyridylselenium compounds. We have carried out theoretical and …