12203-96-2Relevant academic research and scientific papers
Oligomers with silicon, germanium, and transition metal groups: Synthesis and characterization of metal-containing poly[(silylene)diacetylenes] and poly[(germylene)diacetylenes]
Corriu, Robert J. P.,Devylder, Nathalie,Guérin, Christian,Henner, Bernard,Jean, Alain
, p. 3194 - 3202 (2008/10/08)
In order to prepare polycarbosilanes containing organometallic moieties which could be precursors of transition metal-containing ceramics, poly[(silylene)diacetylenes] (silylene: SiMe2, SiMePh, SiPh2) and poly[(methylphenylgermylene)diacetylene] have been reacted with dicobalt octacarbonyl to give the corresponding polymers with approximately halt of the acetylene groups complexed with Co2(CO)6 moieties. The introduction of a ferrocenyl group into the main chain of poly[(silylene)diacetylenes] has been achieved by the reaction of the di-Grignard reagent of diacetylene, C4(MgBr2), with various 1,1′-bis(chlorodiorganosilyl)ferrocene and led to the synthesis of [-R2Si-Fc-SiR2-C≡C-C≡C-]n (SiR2: SiMe2, SiMePh, SiPh2) (Fc: 1,1′-ferrocene). [-R2Si-Fc-SiR2-C≡C-C≡C-SiR′ 2-C≡C-C≡C-]n was obtained in the same way by polycondensation of 1,1′-(LiC≡C-C≡C-SiR2)2Fc with Cl2-SiR′2 (R = Me R′ = Me, Ph; R = R′ = Ph). The reaction of poly[(2,5-diphenyl-1-silacyclopentadiene-1,1-diyl)diacetylene] with Fe2(CO)9 and Mo(CO)4(COD) (COD:cyclooctadiene) gave only the complexation of some of the diene units.
