65119-09-7Relevant academic research and scientific papers
C,N-chelated diaminocarbene platinum(II) complexes derived from 3,4-diaryl-1H-pyrrol-2,5-diimines and cis-dichlorobis(isonitrile)platinum(II): Synthesis, cytotoxicity, and catalytic activity in hydrosilylation reactions
Afanasenko, Anastasiia M.,Boyarskaya, Irina A.,Chulkova, Tatiana G.,Elinson, Michail N.,Haukka, Matti,Islamova, Regina M.,Keppler, Bernhard K.,Legin, Anton A.,Selivanov, Stanislav I.,Vereshchagin, Anatoly N.
, (2020)
The reaction of 3,4-diaryl-1H-pyrrol-2,5-diimines with cis-dichlorobis(isonitrile)platinum(II) affords the C,N-chelated diaminocarbene platinum(II) complexes, which have been fully characterized including molecular spectroscopy, single crystal X-ray diffr
Distinct Catalytic Performance of Dirhodium(II) Complexes with ortho-Metalated DPPP in Dehydrosilylation of Styrene Derivatives with Alkoxysilanes
Lu, Wenkui,Wu, Xiaoyu,Xie, Xiaomin,Yang, Liqun,Zhang, Zhaoguo,Zhu, Xiaoyu
, p. 10190 - 10197 (2021/08/24)
Herein, we describe dirhodium(II) complexes for the ortho-metalated 1,3-bis(diphenylphosphino)propane (DPPP)-catalyzed dehydrosilylation of vinylarenes with tertiary silanes, particularly alkoxysilanes. This catalytic method displays a broad substrate scope. Both electron-donating and electron-withdrawing substituents on the vinylarenes are well tolerated in this protocol. The dehydrosilylation reactions are compatible with a diverse range of tertiary silanes such as (EtO)3SiH, (TMSO)2MeSiH, (HSiMe2)2O, Et3SiH, and Ph3SiH. Mechanistic studies indicated that a mixture of Rh2(OAc)4, DPPP, and P(OMe)3 provided a stable and rigid dirhodium(II) complex with ortho-metalated DPPP as the bridging ligand and the phosphonate as the axial ligand in the catalytic system. The structure of the dirhodium(II) complexes was also supported by X-ray crystal diffraction. Further experiments confirmed that the dirhodium(II) complexes may be the active species that catalyze the dehydrosilylation reaction. Control experiments showed that norbornene works as the hydrogen acceptor in the reaction and plays a crucial role in the generation of the key catalytic intermediate, a rhodium silicon species.
Dichloro(ethylenediamine)platinum(II), a water-soluble analog of the antitumor cisplatin, as a heterogeneous catalyst for a stereoselective hydrosilylation of alkynes under neat conditions
Fotie, Jean,Enechojo Agbo, Mercy,Qu, Fengrui,Tolar, Trevor
supporting information, (2020/08/13)
A stereoselective method for the hydrosilylation of internal and terminal alkynes under heterogeneous catalysis by dichloro(ethylenediamine)platinum(II) is discussed. This commercially available platinum complex operates under neat conditions at 90 °C, pr
A Rh(I) complex with an annulated N-heterocyclic carbene ligand for E-selective alkyne hydrosilylation
Tyagi, Akshi,Yadav, Suman,Daw, Prosenjit,Ravi, Chitrakar,Bera, Jitendra K.
, p. 167 - 174 (2019/05/15)
A Rh(I) complex supported by a fused π-conjugated imidazo[1,2-a][1,8]naphthyridine-based N-heterocyclic carbene ligand with a Dipp attachment on the imidazole nitrogen has been synthesized and structurally characterized. The title complex is found to be a
The effect of an acylphosphine ligand on the rhodium-catalyzed hydrosilylation of alkenes
Li, Jiayun,Yang, Chuang,Bai, Ying,Yang, Xiaoling,Liu, Yu,Peng, Jiajian
, p. 7 - 11 (2018/01/01)
We synthesized a series of acylphosphines and investigated the hydrosilylation of alkenes that were catalyzed using RhCl3/acylphosphine. The results indicated that RhCl3/(diphenylphosphino) (phenyl)methanone exhibited higher activity as well as higher levels of β–adduct selectivity.
Synthesis of novel poly(ethylene glycol)-containing imidazolium-functionalized phosphine ligands and their application in the hydrosilylation of olefins
Zhang, Guodong,Li, Jiayun,Yang, Chuang,Niu, Congbai,Bai, Ying,Liu, Yu,Peng, Jiajian
, (2018/02/27)
A series of polyethylene glycol-containing imidazolium-functionalized phosphine ligands (mPEG-im-PPh2) were successfully synthesized and used in the rhodium-catalyzed hydrosilylation of olefins. The results indicate that the RhCl3/mPEG-im-PPh2 catalytic system exhibits both excellent activity and selectivity for the β-adduct. In addition, the catalytic system may be recycled at least six times.
Effect of silylated triarylphosphine ligands on rhodium-catalyzed hydrosilylation
Li, Jiayun,Xue, Mei,Bai, Ying,Peng, Jiajian,Xiao, Wenjun
, p. 905 - 910 (2016/10/18)
A series of silylated triarylphosphines was synthesized. Hydrosilylation reactions of styrene with triethoxysilane catalyzed by RhCl3/silylated triarylphosphine complexes were investigated. The complexes RhCl3/phenylbis(4-trimethylsilylphenyl)phosphine and RhCl3/tris(4-trimethylsilylphenyl)phosphine exhibited higher activity as well as greater β-adduct selectivity, and no unsaturated product was obtained. The results suggest that the silyl moieties have a significant impact on the catalytic process. Copyright
Rubber reinforcing agent, preparation method thereof, and preparation method of butadiene styrene rubber
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Paragraph 0052; 0053, (2016/10/10)
The invention provides a rubber reinforcing agent, a preparation method thereof, and a preparation method of butadiene styrene rubber. In the invention, firstly the rubber reinforcing agent having excellent reaction activity with butadiene styrene rubber
Regioselectivity of Stoichiometric Metathesis of Vinylsilanes with Second-Generation Grubbs Catalyst: A Combined DFT and Experimental Study
?liwa, Pawe?,Kurleto, Kamil,Handzlik, Jaros?aw,Rogalski, Szymon,Zak, Patrycja,Wyrzykiewicz, Bozena,Pietraszuk, Cezary
supporting information, p. 621 - 628 (2016/03/25)
The regioselectivity of metathesis reactions of trisubstituted vinylsilanes H2C=CHSiR3 (SiR3 = SiCl3, SiCl2Me, SiClMe2, SiMe3, Si(OEt)3) with the second-generation rut
