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4,4′-Bipyridine (abbreviated to 4,4′-bipy or 4,4′-bpy) is an organic compound with the formula (C 5 H 4 N) 2. It is one of several isomers of bipyridine. It is a colorless solid that is soluble in organic solvents. is mainly used as a precursor to N,N′-dimethyl-4,4′-bipyridinium [(C 5 H 4 NCH 3) 2] 2+, known as paraquat.
4,4′-Bipyridine (4,4′-bipy) is mainly used as a precursor to the N,N′-dimethyl-4,4′-bipyridinium dication commonly known as paraquat.This species is redox active, and its toxicity arises from its ability to interrupt biological electron transfer processes.
Radical dimerization of pyridine with elemental sodium or Raney nickel selectively yields 4,4'-bipyridine, [98] or 2,2'-bipyridine, [99] which are important precursor reagents in the chemical industry. One of the name reactions involving free radicals is the Minisci reaction.
4,4'-Bipyridine This page was last edited on 24 September 2022, at 20:49 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
They reported MOF of composition {[Cd(4,4 ′-bpy) 2 (H 2 O) 2] • (NO 3) 2 • 4H 2 O} which was obtained by treating linear bridging ligand 4,4 ′-bipyridine (bpy) with Cd(NO 3) 2. The Cd(II) centers in this MOF possess a distorted octahedral geometry having four pyridines in the equatorial positions, and two water molecules in the axial ...
1,2-diimines such as derivatives of 1,2-diamidobenzene, 2,2'-bipyridine, and dimethylglyoxime. The complex Cr(2,2'-bipyridine) 3 is a derivative of Cr(III) bound to three bipyridine 1− ligands. On the other hand, one-electron oxidation of [Ru(2,2'-bipyridine) 3] 2+ is localized on Ru and the bipyridine is behaving as a normal, innocent ligand ...
Reactions of the neutral binary NbF 5 and TaF 5 in the presence of Me 3 SiN 3 with N-donors containing small bite angles such as 2,2’-bipyridine or 1,10-phenanthroline result in self ionization products of the type [M(N 3) 4 L 2] + [M(N 3) 6] − (L= N-donor) whereas N-donors containing large bite angles such as 3,3’-bipryidine or 4,4 ...
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