Results 21 to 30 of about 1,053 (173)
Nickel(II)/BINOL-catalyzed enantioselective C–H activation via desymmetrization and kinetic resolution [PDF]
The field of nickel catalysis has witnessed remarkable growth in recent years. However, the use of nickel catalysts in enantioselective C–H activation remains a daunting challenge because of their variable oxidation states, intricate coordination ...
Qi-Jun Yao +3 more
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Photo-induced catalytic C−H heteroarylation of group 8 metallocenes
Summary: Possessing a characteristic sandwich-type structure, metallocenes have been widely used by the chemistry community. However, the direct catalytic C−H heteroarylation of metallocenes still remains underexplored.
Gu-Cheng He +7 more
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Chemical Properties of Metallocene-Filled Carbon Nanotubes to Tailor Toxicity in Plants
Metallocenes are toxic chemicals that are used for the growth of carbon nanotubes (CNTs). The study of the toxicity of metallocenes on plants is very important. It governs the issues of genetics.
Marianna V. Kharlamova
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Ionization of Decamethylmanganocene: Insights from the DFT-Assisted Laser Spectroscopy
Metallocenes represent one of the most important classes of organometallics with wide prospects for practical use in various fields of chemistry, materials science, molecular electronics, and biomedicine.
Sergey Ketkov +3 more
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Transition Metal–(μ-Cl)–Aluminum Bonding in α-Olefin and Diene Chemistry
Olefin and diene transformations, catalyzed by organoaluminum-activated metal complexes, are widely used in synthetic organic chemistry and form the basis of major petrochemical processes.
Ilya E. Nifant’ev +2 more
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Syndiotactic polystyrene (SPS) refers to a type of thermoplastic material with phenyl substituents that are alternately chirally attached on both sides of an aliphatic macromolecular main chain.
Bo Wen +5 more
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Recently published reactions of group 4 metallocene bis(trimethylsilyl)acetylene (btmsa) complexes from the last two years are reviewed. Complexes like Cp’2Ti(η2‐Me3SiC2SiMe3) and Cp2Zr(py)(η2‐Me3SiC2SiMe3) with Cp’ as Cp (cyclopentadienyl) and Cp ...
Prof. Uwe Rosenthal
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Ti Group Metallocene-Catalyzed Synthesis of 1-Hexene Dimers and Tetramers
1-Hexene transformations in the catalytic systems L2MCl2–XAlBui2 (L = Cp, M = Ti, Zr, Hf; L = Ind, rac-H4C2[THInd]2, M = Zr; X = H, Bu i) and [Cp2ZrH2]2-ClAlR2 activated by MMAO-12, B(C6F5)3, or (Ph3C)[B(C6F5)4] in chlorinated solvents (CH2Cl2, CHCl3, o ...
Pavel V. Kovyazin +5 more
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Metallocene-Filled Single-Walled Carbon Nanotube Hybrids
In this paper, the growth mechanism, structure, growth processes, growth kinetics, and optical, vibronic and electronic properties of metallocene-filled single-walled carbon nanotubes (SWCNTs) are considered.
Marianna V. Kharlamova +1 more
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Developments of Chiral Metallocenes as Polymerization Catalysts
This review article describes developments in chiral metallocenes as polymerization catalysts focusing on C2 symmetric ansa-zirconocene complexes. Selective synthesis of rac-isomers of ansa-zirconocenes are surveyed.
Takeshi Shiono, Yuushou Nakayama
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