Synthesis and reactivity of 1-chloro-2-methylthio-ferrocene and 1,1′-dichloro-2,2′-bis(methylthio)ferrocene. Molecular structure of 1-chloro-2,5-bis(methylthio)ferrocene

被引:4
|
作者
Bernhartzeder, Stefanie [1 ]
Kempinger, Werner [1 ]
Suenkel, Karlheinz [1 ]
机构
[1] Univ Munich, Dept Chem, D-81377 Munich, Germany
关键词
Chloroferrocenes; Thioferrocenes; Lithiation; X-ray structure determination; MULTIDENTATE FERROCENE LIGANDS; DIRECTED METALATION REACTIONS; DERIVATIVES; LITHIATION; ROUTE; CHLOROFERROCENE; HALOFERROCENES; COMPLEXATION;
D O I
10.1016/j.jorganchem.2013.12.007
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Lithiation of chloroferrocene (1a) with n-butyl lithium or lithium tetramethylpiperidinide (LiTMP) followed by addition of dimethyldisulfide gives 1-chloro-2-methylthioferrocene (2). Renewed treatment of 2 with LiTMP and MeSSMe yields 1-chloro-2,5-bis(methylthio)ferrocene (3), the structure of which was determined by X-ray diffraction. The reaction of 1,1'-dichloroferrocene (1b) with n-butyl lithium in the presence of TMEDA followed by addition of MeSSMe gives 1,1'-dichloro-2,2'-bis(methylthio)ferrocene as a diastereomeric 1: 2 mixture of the meso and D, L form. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码:147 / 151
页数:5
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