element(II) halides is described. The reaction of the amidinato silicon(II) amide [LSiN(SiMe3)2] (1, L = PhC(NtBu)2) with SnCl2 and PbBr2 afforded the amidinato silylene–dichlorostannylene and –dibromoplumbylene adducts [L(Me3Si)2N}SiEX2] (E = Sn, X = Cl (2); E = Pb, X = Br (3)), respectively, in which there is a lone pair of electrons on the Sn(II) and Pb(II) atoms. X-ray crystallography, NMR spectroscopy
描述了酰胺基亚甲
硅烷基和亚甲基对第14族元素(II)卤化物的配位
化学。mid酰胺
硅(II)酰胺[LSiN(SiMe 3)2 ](1,L = PhC(N t Bu)2)与SnCl 2和PbBr 2的反应,得到to酰胺-
硅二
氯锡亚烷基和-二
溴br苯加合物[L (Me 3 Si)2 N} SiEX 2 ](E = Sn,X = Cl(2); E = Pb,X = Br(3)),其中在Sn(II)和Pb(II)原子。X射线晶体学,NMR光谱学和理论研究表明,Si(II)-E(II)键是供体-受体相互作用。在the基亚甲基-亚二甲基-二
氯锗烯和-二
氯锡亚烷基加合物[L (Me 3 Si)2 N} Ge
ECl 2 ](E = Ge(5),Sn(6))中发现了类似的电子结构, Ge基
锗锗(II)酰胺[LGeN(SiMe 3)2 ](4)分别具有G
ECl 2 ·
二恶烷和SnCl 2。