29442-41-9

Upstream product

• 18410-59-8 1,2-dimethyl-1,2-diphenyldisilane 
• 4518-98-3 1,1,2,2-tetrachloro-1,2-dimethyldisilane 
• 100-59-4 phenylmagnesium chloride 
• 33935-31-8 chloro(N,N-diethylamino)diphenylsilane 

Downstream Products

• 22193-27-7 cis-1,2-methyl-1,2-diphenyl-1,2-disilacyclohexane 
• 22169-25-1 trans-1,2-methyl-1,2-diphenyl-1,2-disilacyclohexane 
• 66263-90-9 1,2-difluoro-1,2-dimethyl-1,2-diphenyl-disilane 
• 61244-96-0 1,2-dimethyl-1,2-diphenyldivinyldisilane 
• 186382-37-6 1,2-dimethyl-1,2-diphenyldisilane-1,2-diol 
• 195507-97-2 1,2,3,4-Tetraphenylhexamethyltetrasilan 
• 301237-95-6 1,2-bis-chloromethyl-1,2-dimethyl-1,2-diphenyl-disilane 
• 22143-97-1 2r,7t-dimethyl-2,7c-diphenyl-[1,2,7]oxadisilepane 
• 22169-26-2 2r,7c-dimethyl-2,7t-diphenyl-[1,2,7]oxadisilepane 
• 544418-22-6 meso-[(η5-C5H5)Fe(CO)2](phenyl)(methyl)SiSi(methyl)(phenyl)[(η5-C5H5)Fe(CO)2] 
• 866141-16-4 C₂₆H₂₄Si₂ 
• 17983-32-3 methyl(phenyl)(divinyl)silane 

Relevant academic research and scientific papers

Polymerization of in situ generated disilenes

Polymerization of in situ generated disilene as a novel method of preparation of polysilylenes was investigated. The reactions of a number of dichlorodisilanes with 3,3′,5,5′-tetramethylbiphenyl anion radical at -78°C gave the corresponding polysilylenes

Selective synthesis of halosilanes from hydrosilanes and utilization for organic synthesis

Selective synthesis of halosilanes has been examined. Various types of halosilanes and halohydrosilanes, such as R3SiX, R2SiHX, R2SiX2, RSiH2X, RSiHX2 (X=Cl, Br, F), were obtained by the reactions of the corresponding hydrosilanes with Cu(II)-based reagents selectively in high yields. This method could be also applied to the synthesis of chlorofluorosilanes and chlorohydrogermanes. On the other hand, iodo- and bromosilanes and germanes were obtained by Pd- or Ni-catalyzed hydride-halogen exchange reactions of hydrosilanes with alkyl or allyl halides. Their synthetic applications have been demonstrated by using iodo- and bromosilanes and chlorofluorosilanes.

Separation of optically active ethynylsilane derivatives and their polymerization by transition-metal catalysts

Optically pure (-)-(4-bromophenyl)ethynylmethyl(1-naphthyl)silane[(-)-1], (-)-1,2-diethynyl-1,2-dimethyl-1,2-di(1-naphthyl)disilane [(-)-2], and (+)-1,2-diethynyl-1,2-dimethyl-1,2-diphenyldisilane [(+)-3] were separated by a chromatographic technique on a

Synthesis and characterization of 2,5,7-trichalcogena-1,3,4,6-tetrasilanorbornanes (RMeSiSiMe)2E3 (R=Me, Ph/E=S, Se, Te)

The reactions of the trichlorodisilanes ClRMeSi-SiMeCl2 (R=Me, Ph) with either H2S/NEt3 or Li2E (E=Se, Te) result in the selective formation of 2,5,7-trichalcogena-1,3,4,6-tetrasilanorbornanes (RMeSiSiMe)2E3 (R=Me, Ph/E=S, Se, Te). In the cases of R=Ph, three stereoisomers with different spatial orientations of the phenyl substituents arise. The isomers with both phenyl substituents in equatorial positions are formed preferably. All products have been characterized by multinuclear NMR spectroscopy including 1JSiSe and 1JSiTe coupling constants. A crystal structure analysis of the isomer of (PhMeSiSiMe)2S3 with both phenyl substituents in equatorial positions reveals a very small bond angle at the bridging sulfur atom of 88.5° which is even 4.6° smaller than in the parent norbornane C7H12.

Reactions of methylchlorodisilanes with Grignard reagents

Reactions of Cl2MeSiSiMeCl2 with RMgCl make it possible to obtain and isolate pure disilanes containing a smaller number of functional groups, namely, RMeClSiSiMeCl2 (R = Ph), RMeClSiSiMeRCl (R = Pri, Ph), and R2MeSiSiMeRCl (R = Bui).The reaction of Cl2MeSiSiMeCl2 with BunMgCl is the least selective.The chlorides obtained were reduced with LiAlH4 into the corresponding hydrides.