Compounds of germanium, tin, and lead containing the ligand C(SiMe3)2(SiMe2C5H4N-2)

被引：37
|
作者：
Al-Juaid, SS [1 ]
Avent, AG [1 ]
Eaborn, C [1 ]
Hill, MS [1 ]
Hitchcock, PB [1 ]
Patel, DJ [1 ]
Smith, JD [1 ]
机构：
[1] Univ Sussex, Sch Chem Phys & Environm Sci, Brighton BN1 9QJ, E Sussex, England
来源：
ORGANOMETALLICS | 2001年 / 20卷 / 06期
关键词：
D O I：
10.1021/om0009076
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions between LiC(SiMe3)(2)(SiMe2C5H4N-2), 1, and the halides GeCl2.dioxane, SnCl2, and PbCl2 gave the isostructural compounds MCl{C(SiMe3)(2)(SiMe2C5H4N-2)} (M = Ge, 2; Sn, 3; or Pb, 4) which contain three-coordinate M. Treatment of the tin derivative 3 with MeI gave the oxidative addition product SnMeClI{C(SiMe3)(2)(SiMe2C5H4N-2)}, 51 and this reacted with AgOCOCF3 or AgOSO2C6H4Me-4 to give, respectively, the compounds SnMeX2{C(SiMe3)(2)(SiMe2C5H4N-2)} with X = OCOCF3, 6, or OSO2C6H4Me-4, 7. Despite the presence of the bulky C(SiMe3)(2)(SiMe3C5H4N-2) ligand, the Sn atom in the solid state structures of 6 and 7 is five-coordinate, and multinuclear NMR studies show that five-coordinate species are present also in THF solutions of 5, 6, and 7.
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页码：1223 / 1229
页数：7
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