18938-24-4Relevant articles and documents
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Okazaki,R.,Ishii,A.,Inamoto,N.
, p. 279 (1987)
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Supported gold nanoparticle-catalyzed cis -selective disilylation of terminal alkynes by σ disilanes
Gryparis, Charis,Kidonakis, Marios,Stratakis, Manolis
, p. 6038 - 6041 (2014/01/06)
Supported gold nanoparticles on metal oxides (1 mol %) catalyze for the first time the cis-selective disilylation of terminal alkynes by 1,2-disilanes in isolated yields up to 94%. It is likely that the reaction proceeds through oxidative insertion of the
Episulfone substitution and ring-opening reactions via α-sulfonyl carbanion intermediates
Dishington, Allan P.,Douthwaite, Richard E.,Mortlock, Andrew,Muccioli, Adriano B.,Simpkins, Nigel S.
, p. 323 - 337 (2007/10/03)
Three-membered cyclic sulfones undergo substitution on treatment with base-electrophile mixtures, such as LDA-Me3SiCl and Bu′-P4 phosphazene base-PhCHO, to give either substituted episulfones or the corresponding alkenes following loss of SO2. The structure of a trisilylated episulfone product, 2a, was determined by X-ray crystallography. In the absence of Me3SiCl, reaction of episulfones with lithium diisopropylamide results in ring-opening to give alkenyl sulfinate intermediates, which can be alkylated to give (E)-alkenyl sulfone products in stereoselective fashion.
Platinum-catalyzed elimination-addition reactions of trisilylethenes
Suzuki, Toshio,Lo, Peter Y.
, p. 27 - 33 (2007/10/02)
(E)-1-Hexyldimethylsilyl-1,2-bis(trimethylsilyl)ethene (1) and (E)-1-(3'-butyl-1',3'-tetramethyldisiloxanyl)-1,2-bis(trimethylsilyl)ethene (7) undergo isomerization-redistribution reactions catalyzed by platinum.Each of them is converted into its (Z)-isomer and ethenes bearing one trimethylsilyl group and two substituted silyl groups as major products.The proposed mechanism for the reactions involves a sequence of eliminations of hydrosilanes from the ethenes and re-addition to them.Oxygen greatly affects the reaction apparently accelerating anti-elimination of hydrosilanes.
