Photochemical Generation and Characterization of Di-<i>tert</i>-butylsilylene (Si<sup><i>t</i></sup>Bu<sub>2</sub>) in Solution
作者:Ian R. Duffy、William J. Leigh
DOI:10.1021/acs.organomet.8b00902
日期:2019.2.25
Di-tert-butylsilylene (SitBu2) has been detected directly in solution and its reactivity characterized by laser flash photolysis methods. Laserphotolysis of 7,7-di-tert-butyl-7-silabicyclo[4.1.0]heptane (5) affords a transient product that exhibits λmax ≈ 520 nm and decays on the microsecond time scale, concurrent with the growth of a second, much longer-lived species exhibiting λmax = 290, 430 nm
二-叔-butylsilylene(SI吨卜2)已经在溶液中直接检测和其反应性,其特征在于激光闪光光解方法。7,7-二-激光光解叔丁基-7- silabicyclo〔4.1.0〕庚烷(5),得到的过渡产品,其显示出λ最大≈520 nm和衰变在微秒时间尺度,同时具有的生长第二,寿命更长的物种表现出λmax = 290,430 nm。这两个物种被分配到二-叔-butylsilylene(SI吨卜2)和它的二硅烯二聚体,四-叔-butyldisilene(吨卜2Si═Si吨卜2,8),分别。六叔丁基环三硅烷(7)的激光光解记录的瞬态吸收光谱与迅速形成的Si t Bu 2和8一致,前者在强吸收带的红色边缘上显示为弱的肩部吸收,这是由于disilene。确定了Si t Bu 2与各种代表性的甲硅烷基底物在25°C的己烷中反应的绝对速率常数,包括甲醇,三乙基硅烷,乙酸,丙酮,分子氧和四种脂肪族烯烃(1-己烯,环己烯)
Tsumuraya, Takeshi; Batcheller, Scott A.; Masamune, Satoru, Angewandte Chemie, 1991, vol. 103, # 8, p. 916 - 944
作者:Tsumuraya, Takeshi、Batcheller, Scott A.、Masamune, Satoru
DOI:——
日期:——
Weidenbruch, Manfred; Schaefer, Annemarie; Thom, Karl Ludwig, Zeitschrift fur Naturforschung, Teil B: Anorganische Chemie, Organische Chemie, 1983, vol. 38, # 12, p. 1695 - 1696
作者:Weidenbruch, Manfred、Schaefer, Annemarie、Thom, Karl Ludwig
DOI:——
日期:——
WEIDENBRUCH, MANFRED;LESCH, AXEL, J. ORGANOMET. CHEM., 407,(1991) N, C. 31-40
作者:WEIDENBRUCH, MANFRED、LESCH, AXEL
DOI:——
日期:——
WEIDENBRUCH, M.;SCHAEFER, A.;THOM, K. L., Z. NATURFORSCH., 1983, 38, N 12, 1695-1696