Formation of a Tin-Tin-Bond from Bis(hexamethyldisilazyl)-Tin(II) under Fission of a C-H Bond Bis(hexamethyldisilazyl)tin(II) in excess reacts with the molecular alumosiloxane (Ph2SiO)8(AlO(OH))4 to yield the well known tin(II) derivative (Ph2SiO)8(AlO2)4Sn2 and the novel bicyclic [(Me3Si)2N]Sn[N(SiMe3)SiMe2CH2]2Sn[N(SiMe3)2] containing a tin-tin bond, which is formally related to the starting molecule
在 CH 键的裂变下由双(六甲基二硅基)-锡(II)形成锡-锡-键 过量的双(六甲基二硅基)锡(II)与分子铝硅氧烷(Ph2SiO)8(AlO(OH))4反应产生众所周知的锡(II)衍生物(Ph2SiO)8(AlO2)4Sn2和含有锡-锡键的新型双环[(Me3Si)2N]Sn[N(SiMe3)SiMe2CH2]2Sn[N(SiMe3)2] ,它通过缺失的氢原子与起始分子正式相关。从对单晶的 X 射线衍射研究可以看出,新化合物几乎具有 C2 点对称性(与锡-锡键相交的双轴),并且该锡-锡键是退火的五重 Sn-Sn-N 的熔合边缘-Si-C 环。连接几乎四面体配位的锡原子 (2.737(2) A) 的键非常短。这一特征也反映在光谱数据(1H、13C、