由单阴离子N,N,N'-杂蝎形配体双(3,5-二叔丁基吡唑-1-基)-1-CH₂NAr（Ar = 2,6-二异丙基苯基）支撑的铊(I)、铁(II)和钴(II)配合物

Tl(I), Fe(II), and Co(II) complexes supported by a monoanionic N,N,N'-heteroscorpionate ligand bis(3,5-di-tertbutylpyrazol-1-yl)-1-CH2NAr (Ar = 2,6-iPr2C6H3).

作者信息

Adhikari Debashis, Zhao Guangyu, Basuli Falguni, Tomaszewski John, Huffman John C, Mindiola Daniel J

机构信息

Department of Chemistry and Molecular Structure Center, Indiana University, Bloomington, 47405, USA.

出版信息

Inorg Chem. 2006 Feb 20;45(4):1604-10. doi: 10.1021/ic051704i.

DOI:10.1021/ic051704i

PMID:16471972

Abstract

The lithium salt (L)Li(THF) (L- = bis(3,5-di-tertbutylpyrazol-1-yl)-1-CH2NAr, Ar = 2,6-iPr2C6H3) can be readily prepared from lithium bis(3,5-di-tertbutylpyrazol-1-yl)methide and the N-methyleneaniline H2C=NAr. This N,N,N'-heteroscorpionate lithium reagent can be transmetalated with Tl(OTf), FeCl2(THF)(1.5), and CoCl2 to yield the (L)Tl, (L)FeCl, and (L)CoCl complexes, respectively. Single crystal structural data for compounds (L)Li(THF), (L)Tl, (L)FeCl, and (L)CoCl reveal in each case the hapticity of the sterically demanding, monoanionic L- ligand to be kappa3-N3.

摘要

锂盐（L）Li(THF)（L⁻ = 双(3,5 - 二叔丁基吡唑 - 1 - 基)-1 - CH₂NAr，Ar = 2,6 - 二异丙基苯基）可由双(3,5 - 二叔丁基吡唑 - 1 - 基)甲基锂和N - 亚甲基苯胺H₂C = NAr轻松制备。这种N,N,N'-异蝎形配体锂试剂可与三氟甲磺酸铊（Tl(OTf)）、二氯化铁（FeCl₂(THF)(1.5)）和二氯化钴进行金属转移反应，分别生成（L）Tl、（L）FeCl和（L）CoCl配合物。化合物（L）Li(THF)、（L）Tl、（L）FeCl和（L）CoCl的单晶结构数据表明，在每种情况下，空间位阻较大的单阴离子L⁻配体的配位模式均为κ³ - N³。