35107-79-0Relevant academic research and scientific papers
Iridium-catalyzed redistribution of hydrodisilanes via a silyl(silylene)iridium(III) complex: Synthesis of a donor-stabilized silyl(silylene)iridium(III) complex
Okazaki, Masaaki,Tobita, Hiromi,Ogino, Hiroshi
, p. 437 - 438 (1997)
Thermolysis of HMePhSiSiMe3 in the presence of a catalytic amount of Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3 resulted in the redistribution of substituents to give its isomer HMe2SiSiMe2Ph. We propose the mechanism involving the 1,3-Me-shift on a silyl(silylene) complex, which was trapped as a donor-stabilized silyl(silylene)iridium(III) complex.
Disilanylene-bridged BODIPY-based D-σ-A architectures: a novel promising series of NLO chromophores
Zheng, Xianghui,Du, Wei,Gai, Lizhi,Xiao, Xuqiong,Li, Zhifang,Xu, Liwen,Tian, Yupeng,Kira, Mitsuo,Lu, Hua
supporting information, p. 8834 - 8837 (2018/08/17)
The synthesis and optical properties of a novel series of disilanylene-bridged BODIPY-based D-σ-A chromophores are reported. Si-Si σ-electrons are useful and impressible for tunable optical properties. The electron-donating group facilitates enhancement of the CT nature of the excited state through σ(Si-Si) orbital, leading to the remarkable two-photon absorption cross-sections.
AlCl3-catalyzed hydrosilylation of alkynes with hydropolysilanes
Kato, Nobu,Tamura, Yusuke,Kashiwabara, Taigo,Sanji, Takanobu,Tanaka, Masato
experimental part, p. 5274 - 5282 (2011/01/08)
AlCl3 catalyzes addition reactions of hydrooligosilanes (H(SiMe2)nR; n = 2-4, R = H, Me, Ph) with 1-decyne and other alkynes under mild conditions. In most reactions the Si-Si bonds remain intact to form anticipated products in fair to excellent yields, although Si-Ph bonds appear to be cleaved partially under the conditions. Arylethynes tend to form abnormal products due to Si-Si bond scission, but at a low temperature, the addition reaction proceeds normally. The reaction of 1,2- dihydrotetramethyldisilane with 1-decyne furnishes 1,2-didecenyldisilane, 1,3-didecenyltrisilane, and other byproducts at 0 °C, while the reaction run at a lower temperature proceeds cleanly. 1,3-Dihydrohexamethyltrisilane reacts more cleanly even at 0 °C. The reaction of pentamethyldisilane with 1,6-heptadiyne proceeds in a different direction, leading to cyclization. 1,7-Octadiyne reacts with 1,3-dihydrohexamethyltrisilane to give a polymeric material. The reaction of 1,2,3-trihydropentamethyltrisilane or poly(phenylsilylene) with 1-dectyne proceeds cleanly without perceptible Si-Si bond cleavage.
Polymeric organosilicon systems. XXIX. Thermal properties of poly[(disilanylene)oligophenylenes]
Ohshita, Joji,Sugimoto, Kazunori,Watanabe, Tsuguo,Kunai, Atsutaka,Ishikawa, Mitsuo,Aoyama, Susumu
, p. 47 - 56 (2007/10/03)
Thermal properties of variously substituted poly[(disilanylene)oligophenylenes], [(SiR1R2SiR1R2)(p-C6H4)m]n (R1=R2=Me, R1=R2=Et, and R1=Ph, R2=Me, m=1-4) were investigated. The thermogravimetric analysis of the polymers in the range of 20-1000°C showed rapid weight loss starting from about 400°C. The total weight loss of the polymers at 1000°C was calculated to be 54.5-75.5% based on the initial weight of the polymers. GC-MS analysis of the volatile products obtained from the pyrolysis of the polymers with R1=R2=Me, m=2 and R1=R2=Et, m=1-4 at 500°C indicated the formation of silicon-containing oligomers arising from the Si-Si and Si-phenylene bond cleavage, mainly. The formation of oligophenylenes, H(C6H4)lH (l=1-4), was also observed in the pyrolysis of the polymers with m=3 and 4. A model reaction for the polymer degradation was also examined, using 1,2-diphenyltetramethyldisilane.
