Treatment of the silylene Si[C6H4(NCH2But)2-1,2] with SnAr2 or SnAr[N(SiMe3)2] yields the thermally stable (silyl)stannylene SnAr[SiC6H4(NCH2But)2-1,2}X] [X = Ar 1 or N(SiMe3)2 2], having δ [119Sn1H}] 412 [1J(29Siâ117/119Sn) 715/749 Hz] (1) and δ 621 (2); crystalline 1 has a V-shaped SiâSnâC skeleton, l(SnâSi) = 2.636(2) Ã
and two remote Sn···N contacts, av. 2.75 Ã
(to one NMe2 group of each of the aryl groups).
用 SnAr2 或 SnAr[N(SiMe3)2] 处理亚
硅基 Si[ (NCH2But)2-1,2] 得到热稳定的(甲
硅烷基)亚
锡 SnAr[Si
C6H4(NCH2But)2-1,2}X ] [X = Ar 1 或 N(SiMe3)2 2],具有 δ [119Sn1H}] 412 [1J(29Si–117/119Sn) 715/749 Hz] (1) 和 δ 621 (2) ;晶体1具有V形Si–Sn–C骨架,l(Sn–Si) = 2.636(2) × 和两个远程Sn···N接触,av。 2.75 ×(相对于每个芳基的一个 NMe2 基团)。