New poly[(silylene)diacetylenes] and poly[(germylene)diacetylenes]: synthesis and conductive properties

The reaction of dilithiobutadiyne (or the corresponding di-Grignard reagent) with various dichlorosilanes and dibromogermanes in THF at room temperature af...

JL Brefort，RJP Corriu，P Gerbier，... - 《Organometallics》

Generation of a Silylene Complex by the 1,2‐Migration of Hydrogen from Silicon to Platinum

An extraordinary downfield-shifted 29Si{1H} NMR signal is seen at 未=338.5 for the platinum silylene complex [(dippe)(H)Pt=SiMes2][MeB(C6F5)3] (2). This re...

GP Mitchell，TD Tilley - 《Angewandte Chemie International Edition》

Lewis acid-catalyzed, high pressure, stereospecific, regiospecific, Diels-Alder cycloaddition of unsubstituted 2-pyrone: Short synthesis of a racemic A-rin...

Bicyclic lactone 1 , a racemic A-ring precursor to diverse physiologically active 1-hydroxyvitamin D 3 analogs, was prepared in 91% yield via 11–12 Kbar...

GH Posner，Y Ishihara - 《Tetrahedron Letters》

Palladium- and Nickel-Catalyzed Carbon-Carbon Bond Insertion Reactions with Alkylidenesilacyclopropanes.

Palladium and nickel catalysts promoted highly selective carbon-carbon bond insertion reactions with di-tert-butyl-alkylidenesilacyclopropanes. Pd(PPh(3))(...

KM Buchner，KA Woerpel - 《Organometallics》

The substituent-dependent base-treatment chemistry of (eta5-C5H5)Fe(CO)2SiR2SiR2Cl: formation of 1,2-disila-3-metallacyclobutanes, their ring-opened polyme...

We report the formation of disilametallacycles, high molecular weight polymers or simple substitution products from the reactions of 1-cyclopentadienyliron...

HK Sharma，KH Pannell - 《Chemical Communications》

Anionic Ring-Opening Polymerization of 1,2,2-Trimethyl-1-phenyl-1,2-disilacyclopentane

The anionic ring-opening polymerization of 1,2,2-trimethyl-1-phenyl-1,2-disilacyclopentane took place in THF at 0~−78°C. The initiators were nBu4NF, Ph...

Masao Suzuk，omomasa Kanko，Yoshyuk Morshma，... - 《Polymer Journal》

Effect of backbone structures of polysilanes on the photooxidation reaction

Photooxidation reactions of linear polysilanes [poly(cyclohexylmethylsilylene) and poly(methylphenylsilylene)], a network polysilane [poly(hexylsilyne)] an...

K Kabeta，K Shuto，SI Sugi，... - 《Polymer》

Anionic ring-opening polymerization of 1,1,2,2-tetramethyl-1,2-disilacyclopentane

Ring-opening polymerization of 1,1,2,2-tetramethyl-1,2-disilacyclopentane took place with the aid of Me3SiM (M = Na, K, Li) as initiator.

M Suzuki，T Obayashi，T Saegusa - 《Journal of the Chemical Society Chemical Communications》

Organosilicon polymers with bis-acetylenic units: conductivity and ceramisation studies

Polymers containing unsaturated organic units bridged by substituted silicon atoms are of actual interest : The electronic effects of silicon attached to u...

R Corriu，P Gerbier，G Guerin，... - Springer Netherlands

Photoreactions of 4,4'-Bis(pentamethyldisilanyl)biphenyl

It is well known that the photolysis of aryldisilanes gave the silenes containing Si=C bond as reaction intermediates since the earliest report on the phot...

KP Seung - Bulletin- Korean Chemical Society