• Thumbnail for Bipyridine
    Bipyridines are a family of organic compounds with the formula (C5H4N)2, consisting of two pyridyl (C5H4N) rings. Pyridine is an aromatic nitrogen-containing...
    3 KB (337 words) - 04:05, 18 June 2024
  • Thumbnail for 2,2′-Bipyridine
    2,2′-Bipyridine (bipy or bpy, pronounced /ˈbɪpiː/) is an organic compound with the formula C10H8N2. This colorless solid is an important isomer of the...
    5 KB (317 words) - 14:36, 7 November 2023
  • Thumbnail for 4,4'-Bipyridine
    4′-Bipyridine (abbreviated to 4,4′-bipy or 4,4′-bpy) is an organic compound with the formula (C5H4N)2. It is one of several isomers of bipyridine. It...
    6 KB (455 words) - 11:20, 14 January 2024
  • Thumbnail for Tris(bipyridine)ruthenium(II) chloride
    Tris(bipyridine)ruthenium(II) chloride is the chloride salt coordination complex with the formula [Ru(bpy)3]Cl2. This polypyridine complex is a red crystalline...
    14 KB (1,297 words) - 10:41, 1 March 2024
  • Thumbnail for Tris(bipyridine)iron(II) chloride
    Tris(bipyridine)iron(II) chloride is the chloride salt of the coordination complex tris(bipyridine)iron(II), [Fe(C10H8N2)3]2+. It is a red solid. In contrast...
    2 KB (199 words) - 10:39, 1 March 2024
  • Thumbnail for Chirality (chemistry)
    practical importance. A famous example is tris(bipyridine)ruthenium(II) complex in which the three bipyridine ligands adopt a chiral propeller-like arrangement...
    31 KB (3,668 words) - 05:48, 29 October 2024
  • Thumbnail for Orellanine
    the Orellani within the family Cortinariaceae. Structurally, it is a bipyridine N-oxide compound somewhat related to the herbicide diquat. Orellanine...
    13 KB (1,255 words) - 09:47, 18 August 2024
  • common classes of redox indicators: metal complexes of phenanthroline and bipyridine. In these systems, the metal changes oxidation state. organic redox systems...
    6 KB (230 words) - 14:59, 28 September 2023
  • Thumbnail for Dimethyl-2,2'-bipyridine
    Dimethyl-2,2'-bipyridine can refer to many isomers of 2,2'-bipyridine containing two methyl substituents. All have the formula (CH3)2C10H6N2, but the...
    1 KB (85 words) - 22:17, 1 November 2024
  • Thumbnail for Cis-Dichlorobis(bipyridine)ruthenium(II)
    cis-Dichlorobis(bipyridine)ruthenium(II) is the coordination complex with the formula RuCl2(bipy)2, where bipy is 2,2'-bipyridine. It is a dark green...
    3 KB (223 words) - 19:30, 18 October 2024
  • Thumbnail for 1,10-Phenanthroline
    terms of its coordination properties, phenanthroline is similar to 2,2'-bipyridine (bipy) with the advantage that the two nitrogen donors are preorganized...
    15 KB (1,276 words) - 20:42, 22 February 2024
  • systematic name 3,3'-bipyridine-2,2',5,5',6,6'-hexol:NADP+ 11-oxidoreductase. This enzyme catalyses the following chemical reaction 3,3'-bipyridine-2,2',5,5',6...
    1 KB (136 words) - 15:10, 26 August 2023
  • Thumbnail for Polypyridine complex
    Polypyridine complex (category Bipyridines)
    coordination complexes containing polypyridine ligands, such as 2,2'-bipyridine, 1,10-phenanthroline, or 2,2';6'2"-terpyridine. Polypyridines are multidentate...
    3 KB (343 words) - 18:57, 7 November 2022
  • Thumbnail for BTBP
    The bis-triazinyl bipyridines (BTBPs) are a class of chemical compounds which are tetradentate ligands similar in shape to quaterpyridine. The BTBPs are...
    8 KB (1,004 words) - 00:50, 22 May 2022
  • Thumbnail for Ferrous
    Redox reaction of [Fe(bipyridine)3]2+....
    9 KB (975 words) - 20:00, 6 November 2024
  • Thumbnail for Pyridine
    dimerization to bipyridines. Radical dimerization of pyridine with elemental sodium or Raney nickel selectively yields 4,4'-bipyridine, or 2,2'-bipyridine, which...
    76 KB (7,667 words) - 02:42, 23 October 2024
  • Transition metal complexes of 2,2'-bipyridine are coordination complexes containing one or more 2,2'-bipyridine ligands. Complexes have been described...
    7 KB (770 words) - 04:16, 24 June 2024
  • Thumbnail for Charge-transfer band
    thus resulting in a reduction of metal ions by the ligand. Complexes of bipyridine, phenanthroline, and related unsaturated heterocycles often exhibit strong...
    6 KB (685 words) - 00:52, 30 November 2023
  • Thumbnail for Dimethylcadmium
    with diethyl ether. A yellow, air-sensitive adduct is formed with 2,2'-bipyridine. Felix Hanke; Sarah Hindley; Anthony C. Jones; Alexander Steiner (2016)...
    3 KB (256 words) - 08:48, 2 September 2024
  • Thumbnail for Paraquat
    Paraquat (category Bipyridines)
    by treatment with sodium in ammonia followed by oxidation to give 4,4′-bipyridine. This chemical is then dimethylated with chloromethane to give the final...
    47 KB (4,744 words) - 18:50, 28 October 2024
  • Thumbnail for High-performance liquid chromatography
    of a column is to inject a sample which is a mixture of 2,2'- and 4,4'-bipyridine. Because the 2,2'-bipy can chelate the metal, the shape of the peak for...
    89 KB (10,999 words) - 13:19, 7 November 2024
  • Thumbnail for Ytterbium(III) acetylacetonate
    Yb(acac)3(bpy) can be obtained by reacting its trihydrate with 2,2'-bipyridine in ethanol. Korytnyl, E. F.; Aslanov, L. A.; Poral-Koshits, M. A.; Petrukhin...
    2 KB (126 words) - 16:49, 3 February 2024
  • Thumbnail for Nitrous acid
    "Synthesis of 4-, 5-, and 6-methyl-2,2'-bipyridine by a Negishi Cross-coupling Strategy: 5-methyl-2,2'-bipyridine". Org. Synth. 78: 51. doi:10.15227/orgsyn...
    13 KB (1,191 words) - 20:26, 28 September 2024
  • Thumbnail for Belousov–Zhabotinsky reaction
    medium. Some clock reactions such as Briggs–Rauscher and BZ using tris(bipyridine)ruthenium(II) chloride as catalyst can be excited into self-organising...
    14 KB (1,528 words) - 13:25, 18 June 2024
  • Thumbnail for South East England
    the team, led by Prof George Rolinson, won the Mullard Award in 1971. Bipyridine compounds (Paraquat-Gramoxone and Diquat) were discovered for herbicide...
    180 KB (17,491 words) - 05:02, 19 October 2024
  • Thumbnail for Ferroin
    number of methyl groups on the phenanthroline core. [Tris(bipyridine)iron(II) [Tris(bipyridine)ruthenium(II) Sattar, Simeen (2011). "A Unified Kinetics...
    5 KB (474 words) - 11:22, 11 December 2023
  • Thumbnail for Molecular Borromean rings
    pyridine ring) and a symmetric diamine containing a meta-substituted 2,2'-bipyridine group. Zinc acetate is added as the template for the reaction, resulting...
    7 KB (606 words) - 12:18, 25 January 2024
  • Thumbnail for Ferric
    Redox reaction of [Fe(bipyridine)3]3+....
    8 KB (1,039 words) - 16:20, 6 July 2024
  • Thumbnail for Ruthenium
    Ru(II) and Ru(III). Derivatives of bipyridine and terpyridine are numerous, best known being the luminescent tris(bipyridine)ruthenium(II) chloride. Ruthenium...
    48 KB (5,475 words) - 16:34, 25 October 2024
  • Thumbnail for Water oxidation catalysis
    ruthenium-aqua complexes catalyze the oxidation of water. Most catalysts feature bipyridine and terpyridine ligands. Catalysts containing pyridine-2-carboxylate exhibit...
    15 KB (1,806 words) - 00:28, 22 June 2024