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学科主题: 金属有机化学
题名: High-Spin Iron(II) Alkynyl Complexes with N-Heterocyclic Carbene Ligation: Synthesis, Characterization, and Reactivity Study
其他题名: 氮杂环卡宾配体支撑的高自旋二价铁炔基化合物的合成、表征及其反应性质的研究
作者: Wang XJ(王小结); Zhang J(张佳); Wang L(王磊); Deng L(邓亮)
通讯作者: 邓亮
刊名: Organometallics
发表日期: 2015
DOI: 10.1021/acs.organomet.5b00028
卷: 34, 期:12, 页:2775-2782
收录类别: SCI
文章类型: 论文
英文摘要: High-spin iron(II) alkynyl complexes [(IPr2Me2)(2)Fe(C=CBut)(2)] (1) and [(IPr2Me2)(2)Fe(C=CR)(NHMes)] (R = Bu-2(t), SiMe3 3) bearing a monodentate N-heterocyclic carbene ligand IPr2Me2 (1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene) have been prepared by salt metathesis and/or amine elimination methods and characterized by various spectroscopic methods. Complex 1 reacts with PMe3 (4 equiv) and (BuNC)-N-t (4 equiv) to form trans-[(PMe3)(4)Fe(C=CBut)(2)] (4) and [?3-{(ButC=C)(But)CC(IPr2Me2)C(NBut)}Fe(NCBut)(3)] (5), respectively. In contrast, the reactions of 1 with 4-Pr-i-C(6)H4NCO and Pr(i)NCNPri lead to the formation of the zwitterionic salts 4-Pri-C(6)H4NC(O)(IPr2Me2) and ((PrN)-N-i)(2)C(IPr2Me2), respectively. The interaction of 1 with I-2 gives (BuC)-C-t equivalent to CC equivalent to CBut and (IPr2Me2)(2)FeI2. The C(sp)C(sp(3)) cross-coupling products n-C8H17C equivalent to CBut and c-C(6)H11C equivalent to CBut are formed in high yields when 1 is treated with the corresponding alkyl halides n-C8H17X and c-C6H11X (X = Br, Cl). The formation of the ring-opening product 7,7-dimethyloct-1-en-5-yne in the reaction of 1 with cyclopropylmethyl bromide supports the radical character of the cross-coupling reaction.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000356903100010
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39613
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作者单位: 中科院上海有机化学研究所, 金属有机化学国家重点实验室

Recommended Citation:
Wang XJ,Zhang J,Wang L,et al. High-Spin Iron(II) Alkynyl Complexes with N-Heterocyclic Carbene Ligation: Synthesis, Characterization, and Reactivity Study[J]. Organometallics,2015,34(12):2775-2782.
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