Synthesis and Reactivity of an Aryl-Substituted Disilyne
- Synthesis and Reactivity of an Aryl-Substituted Disilyne
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- 제25회 유기규소화학연구회 Workshop
- Since the first isolation of a disilene (Mes2Si=SiMes2; Mes = 2,4,6-trimethylphenyl) in 1981 by West et al., there have been many investigations on the chemistry of multiply bonded silicon compounds.1 In 2004, Sekiguchi’s and Wiberg’s groups independently reported two types of disilynes (RSi≡SiR: R = SiPri[CH(SiMe3)2]2,2a I; R = SiMe(SiBut3)2,2b II). Recently, Tokitoh’s group also synthesized a stable 1,2-diaryldisilyne, BbtSi≡SiBbt (1, Bbt = 2,6-bis[bis(trimethylsilyl) methyl]-4-[tris(trimethylsilyl)methyl]phenyl) by reduction of the corresponding 1,2-dibromodisilene, BbtBrSi=SiBrBbt (2).3 Optimized synthetic conditions for 1 and reactivity toward alkenes and alkynes were studied.4−6
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