• Thumbnail for Titanocene dichloride
    Titanocene dichloride is the organotitanium compound with the formula (η5-C5H5)2TiCl2, commonly abbreviated as Cp2TiCl2. This metallocene is a common...
    21 KB (1,771 words) - 20:25, 6 August 2024
  • Thumbnail for Metallocene
    metallocenes are the metallocene derivatives, e.g. titanocene dichloride or vanadocene dichloride. Certain metallocenes and their derivatives exhibit...
    22 KB (2,174 words) - 00:45, 15 January 2025
  • Thumbnail for Titanocene Y
    Titanocene Y also known as bis[(p-methoxybenzyl)cyclopentadienyl]titanium(IV) dichloride or dichloridobis(η5-(p-methoxybenzyl)cyclopentadienyl)titanium...
    10 KB (1,111 words) - 20:25, 6 August 2024
  • Vanadocene dichloride is an organometallic complex with formula (η5-C5H5)2VCl2 (commonly abbreviated as Cp2VCl2). It is a structural analogue of titanocene dichloride...
    4 KB (196 words) - 20:25, 6 August 2024
  • Thumbnail for Titanocene pentasulfide
    ExCl2, to afford titanocene dichloride and various S5+x and S5Sex rings. Illustrative is the synthesis of S7 from disulfur dichloride: (C5H5)2TiS5 + S2Cl2...
    5 KB (385 words) - 12:05, 21 May 2024
  • Thumbnail for Titanocene dicarbonyl
    reduction of aldehydes. Cp2Ti(CO)2 is prepared by the reduction of titanocene dichloride with magnesium as a slurry in THT under an atmosphere of carbon...
    4 KB (263 words) - 09:17, 30 April 2024
  • Zirconocene dichloride is an organozirconium compound composed of a zirconium central atom, with two cyclopentadienyl and two chloro ligands. It is a colourless...
    11 KB (986 words) - 20:26, 6 August 2024
  • Thumbnail for Titanium tetrachloride
    is an aluminium-containing derivative of titanocene that arises from the reaction of titanocene dichloride with trimethylaluminium. It is used for the...
    19 KB (1,736 words) - 14:13, 8 February 2025
  • Thumbnail for Organotitanium chemistry
    1861, the first example was not reported until 1954. In that year titanocene dichloride was described by Wilkinson and Birmingham. Independently, titanium-based...
    18 KB (1,866 words) - 09:45, 4 November 2023
  • Thumbnail for Titanium
    intensively studied. The most common organotitanium complex is titanocene dichloride ((C5H5)2TiCl2). Related compounds include Tebbe's reagent and Petasis...
    81 KB (8,948 words) - 11:07, 7 February 2025
  • Thumbnail for Hapticity
    contiguous (connected to each other), the η-notation is used, as e.g. in titanocene dichloride: dichlorobis(η5-2,4-cyclopentadien-1-yl)titanium. Molecules with...
    13 KB (1,321 words) - 20:45, 16 January 2024
  • via salt metathesis reactions. Illustrative is the methylation of titanocene dichloride to give the Petasis reagent: (C5H5)2TiCl2 + 2 ClMgCH3 → (C5H5)2Ti(CH3)2...
    7 KB (885 words) - 11:05, 4 January 2025
  • catalysts have the composition Cp2MCl2 (M = Ti, Zr, Hf) such as titanocene dichloride. Typically, the organic ligands are derivatives of cyclopentadienyl...
    17 KB (1,843 words) - 11:43, 22 September 2024
  • Thumbnail for Trimethylaluminium
    ketones, is prepared from TMA and titanocene dichloride. In combination with 20 to 100 mol % Cp2ZrCl2 (zirconocene dichloride), the (CH3)2Al-CH3 adds "across"...
    11 KB (886 words) - 13:36, 19 October 2024
  • Thumbnail for Ansa-metallocene
    angle defined by the two Cp rings. In titanocene dichloride, this angle is 58.5° whereas in the ansa-titanocene Me2Si(C5H4)2TiCl2 the angle is 51.2°....
    3 KB (338 words) - 19:38, 22 September 2023
  • Molybdocene dichloride is the organomolybdenum compound with the formula (η5-C5H5)2MoCl2 and IUPAC name dichlorobis(η5-cyclopentadienyl)molybdenum(IV)...
    5 KB (377 words) - 17:49, 5 February 2025
  • Thumbnail for Petasis reagent
    metathesis reaction of methylmagnesium chloride or methyllithium with titanocene dichloride: Cp2TiCl2 + 2 CH3MgCl → Cp2Ti(CH3)2 + 2 MgCl2 This compound is used...
    6 KB (400 words) - 14:35, 8 February 2025
  • Thumbnail for Hafnocene dichloride
    some organic solvents. The lighter homologues zirconacene dichloride and titanocene dichloride have received much more attention. While hafnocene is only...
    3 KB (243 words) - 20:16, 6 August 2024
  • Thumbnail for Bisulfide
    [Au(SH)2]− and (C5H5)2Ti(SH)2, derived from gold(I) chloride and titanocene dichloride, respectively. Bisulfide salts are corrosive, strongly alkaline...
    7 KB (588 words) - 15:13, 7 November 2023
  • Thumbnail for Protecting group
    follows with preservation of conformation via elemental zinc or with titanocene dichloride. Protection through a Diels-Alder reaction: the transformation of...
    57 KB (6,755 words) - 02:59, 9 November 2024
  • HOMO in this class of complex. Unlike the related zirconacene and titanocene dichlorides, no applications have been found for this compound, although it...
    5 KB (405 words) - 20:18, 6 August 2024
  • Thumbnail for Decamethyltitanocene dichloride
    precursor to many organotitanium complexes. The complex is related to titanocene dichloride, which lacks the methyl groups. The complex is prepared by the reaction...
    3 KB (274 words) - 20:10, 6 August 2024
  • tetrachloride, titanocene dichloride, Schwartz's reagent. d1 Examples: molybdenum(V) chloride, vanadyl acetylacetonate, vanadocene dichloride, vanadium tetrachloride...
    14 KB (1,701 words) - 03:27, 4 October 2023
  • Thumbnail for Tebbe's reagent
    Tebbe's reagent (category Titanocenes)
    a main group metal (Al). The Tebbe reagent is synthesized from titanocene dichloride and trimethylaluminium in toluene solution. Cp2TiCl2 + 2 Al(CH3)3...
    10 KB (915 words) - 14:56, 8 February 2025
  • photocatalytic approach was also developed: the use of catalytic titanocene dichloride in the presence of a red-absorbing organic dye as the photosensitizer...
    8 KB (891 words) - 19:54, 11 March 2024
  • Thumbnail for Takahashi Taxol total synthesis
    (N-bromosuccinimide, tBuOH/H2O then triethylamine) to 3, radical cyclisation (titanocene dichloride, manganese, triethylborane, 2,6-lutidine) to 4, alcohol protection...
    7 KB (567 words) - 17:00, 10 March 2022
  • Thumbnail for Bis(cyclopentadienyl)titanium(III) chloride
    1955 by Geoffrey Wilkinson It is commonly prepared by reducing titanocene dichloride with zinc, manganese, or magnesium. For use in organic synthesis...
    25 KB (2,319 words) - 00:35, 22 November 2024
  • Thumbnail for Rosenthal's reagent
    titanocene or zirconocene dichloride with magnesium in the presence of bis(trimethylsilyl)acetylene in THF. The illustrated product for a titanocene complex...
    45 KB (4,275 words) - 14:51, 8 February 2025
  • Thumbnail for (Cycloheptatrienyl)(cyclopentadienyl)titanium
    range near 2.35 Å. The complex can be prepared by the reaction of titanocene dichloride, butyllithium, and cycloheptatriene. (Cycloheptatrienyl)(cyclopentadienyl)vanadium...
    2 KB (170 words) - 17:40, 31 October 2023
  • hydrolysis Another reagent is generated in situ by treatment of titanocene dichloride with zinc. That blue green Ti(III)-containing solution is highly...
    16 KB (1,929 words) - 00:55, 2 April 2024