Titanocene dichloride is the organotitanium compound with the formula (η5-C5H5)2TiCl2, commonly abbreviated as Cp2TiCl2. This metallocene is a common reagent...
21 KB (1,771 words) - 20:25, 6 August 2024
and 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
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
Rosenthal's reagent (redirect from Titanocene bis(trimethylsilyl)acetylene)
obtained. Synthesizing Rosenthal's reagent of a titanocene source yields golden-yellow crystals of the titanocene bis(trimethylsilyl)acetylene complex with...
45 KB (4,275 words) - 15:20, 18 September 2024
Titanocene pentasulfide is the organotitanium compound with the formula (C5H5)2TiS5, commonly abbreviated as Cp2TiS5. This metallocene exists as a bright...
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Petasis reagent (redirect from Dimethyl titanocene)
metathesis reaction of methylmagnesium chloride or methyllithium with titanocene dichloride: Cp2TiCl2 + 2 CH3MgCl → Cp2Ti(CH3)2 + 2 MgCl2 This compound...
6 KB (396 words) - 09:31, 2 September 2024
chemistry, is an aluminium-containing derivative of titanocene that arises from the reaction of titanocene dichloride with trimethylaluminium. It is used for...
19 KB (1,732 words) - 00:16, 20 June 2024
have been intensively studied. The most common organotitanium complex is titanocene dichloride ((C5H5)2TiCl2). Related compounds include Tebbe's reagent and...
79 KB (8,788 words) - 17:37, 15 September 2024
alkylated 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 (897 words) - 16:39, 5 May 2024
metallocene 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
to 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
developed a light-driven "closed cycle of water splitting using ansa-titanocene(III/IV) triflate complexes". An Indium gallium nitride (InxGa1-xN) photocatalyst...
34 KB (3,829 words) - 11:08, 24 May 2024
dichloride: H2Sx + SyCl2 → cyclo-Sx+y + 2 HCl A second strategy uses titanocene pentasulfide as a source of the S2−5 unit. This complex is easily made...
26 KB (2,475 words) - 04:58, 7 August 2024
for the methylenation of esters and ketones, is prepared from TMA and titanocene dichloride. In combination with 20 to 100 mol % Cp2ZrCl2 (zirconocene...
11 KB (883 words) - 09:50, 1 March 2024
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...
13 KB (1,321 words) - 20:45, 16 January 2024
(or the LiBH4) on the corresponding metal halide. One example is the titanocene derivative: 2 (C5H5)2TiCl2 + 4 NaBH4 → 2 (C5H5)2TiBH4 + 4 NaCl + B2H6...
27 KB (2,615 words) - 13:44, 24 January 2024
rings engage in degenerate ring flipping. One well-studied example is titanocene pentasulfide, where the inversion barrier is high relative to cyclohexane's...
9 KB (1,087 words) - 14:31, 12 October 2023
5187-81-5 C10H10Cl2Nb niobocene dichloride 12793-14-5 C10H10Cl2Ti titanocene dichloride 1271-19-8 C10H10Co cobaltocene 1277-43-6 C10H10F6FeP ferrocenium...
29 KB (28 words) - 13:43, 20 March 2022
Closely related to the metallocenes are the metallocene derivatives, e.g. titanocene dichloride or vanadocene dichloride. Certain metallocenes and their derivatives...
22 KB (2,174 words) - 20:56, 18 September 2024
thermal reaction: Pt(η2-C2H4)(PPh3)2 + C60 → Pt(η2-C60)(PPh3)2 + C2H4 Titanocene complexes have also been reported: (η5-Cp)2Ti(η2-(CH3)3SiC≡CSi(CH3)3)...
46 KB (4,461 words) - 23:13, 4 October 2024
titanium(II) chloride, cerium(III) halides such as cerium(III) iodide, and titanocene(III) chloride. The crystal structures of the THF complexes of the Reformatsky...
13 KB (1,269 words) - 19:55, 31 October 2023
to the lack of d to d transitions. Examples: titanium tetrachloride, titanocene dichloride, Schwartz's reagent. d1 Examples: molybdenum(V) chloride, vanadyl...
14 KB (1,701 words) - 03:27, 4 October 2023
include [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
follows with preservation of conformation via elemental zinc or with titanocene dichloride. Protection through a Diels-Alder reaction: the transformation...
57 KB (6,755 words) - 23:19, 9 April 2024
have been intensively studied. The most common organotitanium complex is titanocene dichloride ((C5H5)2TiCl2). Related compounds include Tebbe's reagent and...
12 KB (1,249 words) - 18:18, 8 August 2024
variants were initially examined with zirconocene bis(amido) complexes. Titanocene amido and sulfonamido complexes catalyze the intra-molecular hydroamination...
22 KB (2,210 words) - 00:46, 6 August 2023
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
oxidation or 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
Tebbe's reagent (category Titanocenes)
(Ti) and a main group metal (Al). The Tebbe reagent is synthesized from titanocene dichloride and trimethylaluminium in toluene solution. Cp2TiCl2 + 2 Al(CH3)3...
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doi:10.1021/op9900176. Selvakumar, Kumaravel; Harrod, John F. (2001). "Titanocene-Catalyzed Coupling of Amides in the Presence of Organosilanes To Form...
13 KB (1,452 words) - 16:57, 15 August 2024