Coordination chemistry and synthetic approaches of pyridyl-selenium ligands: A decade update

Transition Metal‐Free Synthesis of Carbo‐ and Heterocycles via Reaction of Alkynes with Organylchalcogenides

“…These methods represent green alternatives in the formation of carbon‐carbon and carbon‐heteroatom bonds by employing sustainable and renewable energy sources (Scheme 1). Conversely, organochalcogen‐containing carbo‐ and heterocyclic substances have attracted much attention along the last decades as potential pharmaceuticals, [14,15] synthetic intermediates, [16,17] ligands, and catalysts in organic synthesis [18–20] . Chalcogen‐substituted cyclic molecules have been widely known as prominent agents with a broad spectrum of biological activities, such as antioxidant, antidepressant, antiproliferative, anti‐inflammatory, and antimicrobial agents [14,15,21] .…”

“…Conversely, organochalcogen-containing carbo-and heterocyclic substances have attracted much attention along the last decades as potential pharmaceuticals, [14,15] synthetic intermediates, [16,17] ligands, and catalysts in organic synthesis. [18][19][20] Chalcogensubstituted cyclic molecules have been widely known as prominent agents with a broad spectrum of biological activities, such as antioxidant, antidepressant, antiproliferative, anti-inflammatory, and antimicrobial agents. [14,15,21] Therefore, the fascinating biological profiles of these compounds have stimulated researchers to develop new methods for the preparation of cyclic compounds bearing organochalcogen.…”

Organoselenium ligands for heterogeneous and nanocatalytic systems: development and applications

“…[41][42][43][44][45][46][47][48][49] The first heterogeneous catalytic system, silica-supported poly-γ-methylselenopropylsiloxane, was designed by immobilizing the pre-synthesized palladium complex on a solid support. 19 A variety of review articles have been published on the coordination chemistry 57,58 of organoselenium compounds, the biological or pharmacological activities of organoselenium compounds, 59,60 and homogeneous catalyst development. 7 There are no review articles in the literature focusing on such types of catalysts.…”

Bis(2-pyridyl)ditellane as a precursor to CoII, CuI and CuII complex formation: structural characterization and photocatalytic studies

“…[1][2][3][4][5][6] Coordination compounds containing pyridyl and pyrimidyl selenium ligands have been well explored when compared to the pyridyl tellurium-containing ligands. 7,8 It is reported that tellurium complexes are unstable and air sensitive and usually present high reactivity. Tellurium can adopt formal oxidation states ranging from À2 to +6 and the bond energies involving tellurium atoms are lower than those involving its lighter congeners: Te-Te (149 kJ mol À1 ), Se-Se (192 kJ mol À1 ), and S-S (266 kJ mol À1 ).…”