Synthesis, structure, and properties of [nacnac]MX3 compounds (M = Ge, Sn; X = Cl, Br, I)

被引：0
|
作者：
Räke, A [1 ]
Zülch, F [1 ]
Ding, Y [1 ]
Prust, J [1 ]
Roesky, HW [1 ]
Noltemeyer, M [1 ]
Schmidt, HG [1 ]
机构：
[1] Univ Gottingen, Inst Anorgan Chem, D-37077 Gottingen, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2001年 / 627卷 / 05期
关键词：
germanium; tin; ring compounds;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of [nacnac]Li [(2,6-(Pr2C6H3)-Pr-i)NC(Me) C(H)C(Me)N(2,6-(Pr2C6H3)-Pr-i)]Li (1) with SnX4 (X = Cl, Br, I) and GeCl4 in Et2O resulted in metallacyclic compounds with different structural moieties. In the [nacnac]SnX3 compounds (X = Cl 2, Br 3, 1 4) the tin atom is five coordinated and part of a six membered ring. The Sn-N-bond length of 3 is 2.163(4)Angstrom and 2.176(5) Angstrom of 4. The five coordinated germanium of the [nacnac]GeCl3 compound 5 shows in addition to the three chlorine atoms further bonds to a carbon and to a nitrogen atom. In contrast to the known compounds with the [nacnac] ligand the afore mentioned reaction creates a carbon-metal-bond (1.971(3)Angstrom) forming a four-membered ring. The Ge-N bond length (2.319(2) Angstrom) indicates the formation of a weakly coordinating bond.
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页码：836 / 840
页数：5
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