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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
Wang XJ(王小结); Zhang J(张佳); Wang L(王磊); Deng L(邓亮)
2015
发表期刊Organometallics
卷号34期号:12页码:2775-2782
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.
文章类型论文
学科领域金属有机化学
DOI10.1021/acs.organomet.5b00028
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000356903100010
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文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/39613
专题金属有机化学国家重点实验室
通讯作者Deng L(邓亮)
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
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GB/T 7714
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.
APA 王小结,张佳,王磊,&邓亮.(2015).High-Spin Iron(II) Alkynyl Complexes with N-Heterocyclic Carbene Ligation: Synthesis, Characterization, and Reactivity Study.Organometallics,34(12),2775-2782.
MLA 王小结,et al."High-Spin Iron(II) Alkynyl Complexes with N-Heterocyclic Carbene Ligation: Synthesis, Characterization, and Reactivity Study".Organometallics 34.12(2015):2775-2782.
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