3944-08-9Relevant academic research and scientific papers
Rhodium-Catalyzed Reaction of Silacyclobutanes with Unactivated Alkynes to Afford Silacyclohexenes
Chen, Hua,Chen, Yi,Tang, Xiaoxiao,Liu, Shunfa,Wang, Runping,Hu, Tianbao,Gao, Lu,Song, Zhenlei
supporting information, p. 4695 - 4699 (2019/03/07)
A Rh-catalyzed reaction of silacyclobutanes (SCBs) with unactivated alkynes has been developed to form silacyclohexenes with high chemoselectivity. Good enantioselectivity at the stereogenic silicon center was achieved using a chiral phosphoramidite ligand. The resulting silacyclohexenes are useful scaffolds for synthesizing structurally attractive silacyclic compounds.
Palladium-catalyzed desymmetrization of silacyclobutanes with alkynes: Enantioselective synthesis of silicon-stereogenic 1-sila-2-cyclohexenes and mechanistic considerations
Shintani, Ryo,Moriya, Kohei,Hayashi, Tamio
, p. 2902 - 2905 (2012/07/17)
A palladium-catalyzed enantioselective desymmetrization of silacyclobutanes with alkynes has been developed to give silicon-stereogenic 1-sila-2-cyclohexenes with high enantioselectivity. The products thus obtained undergo further derivatizations with complete stereoselectivity, and a new catalytic cycle involving alkyne coordination (oxidative cyclization)- transmetalation (σ-bond metathesis)-reductive elimination has also been proposed.
Synthesis of sodium-polystyrenesulfonate-grafted nanoparticles by core-cross-linking of block copolymer micelles
Matsumoto, Kozo,Hasegawa, Hirohiko,Matsuoka, Hideki
, p. 7197 - 7204 (2007/10/03)
Sodium poly(styrenesulfonate)(polySSNa)-grafted polymer nanoparticles were synthesized by core-cross-linking of block copolymer micelles and subsequent chemical transformation. Block copolymers, poly(p-((1-methyl)silacyclobutyl) styrene-block-poly(neopent
SILAETHENE I. DARSTELLUNG UND CHARAKTERISIERUNG VON MONOSILACYCLOBUTANEN
Auner, N.,Grobe, J.
, p. 25 - 52 (2007/10/02)
Monosilacyclobutanes of the type RR' are prepared by ring closure reactions of 3-halopropylhalosilanes and by substitution of SiCl containing silacyclobutane rings with organometallic reagents (RMgX, LiR, NaCp).Under optimal experimental conditions yields between 50 and 95percent can be obtained by both procedures.Characterization of the compounds is accomplished by analytical (C, H, N) and NMR, IR and mass spectroscopic investigations.
