obtained by the reaction of the dibromotrisilane 1 and the tribromodisilane 2 with sodium in toluene [Eq. (1)]. The X-ray crystal structure of 3 shows that the three-membered ring is almost an isosceles triangle and has a twisted Si-Si double bond with a length of 2.138(2) Å.
通过二
溴三
硅烷1和三
溴二
硅烷2与
钠在
甲苯中的反应,得到环三
硅3的红橙色晶体。(1)]。3的X射线晶体结构表明,三元环几乎是一个等腰三角形,并具有长度为2.138(2)Å的扭曲的Si-Si双键。