Isocyanide substitution reactions at the trans labile sites of an iron(ii) N-heterocyclic carbene complex

S. Haslinger; A. C. Lindhorst; J. W. Kück; M. Cokoja; A. P?thig; F. E. Kühn

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Isocyanide substitution reactions at the trans labile sites of an iron(ii) N-heterocyclic carbene complex

机译：铁（II）铁（II）N-杂环碳酸酯复合物的反式不稳定位点处的异氰化物取代反应

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A variety of isocyanide-substituted Fe( II ) N-heterocyclic carbene (NHC) complexes has been synthesized, starting from an Fe( II ) NHC complex with an equatorial, tetradentate bis(pyridyl-NHC) ligand (NCCN). Depending on the relative amount of isocyanide used for the reaction either mono(isocyanide)-substituted or tri(isocyanide)-substituted Fe( II ) complexes are obtained. In the case of the tri-substituted complexes single crystal X-ray diffraction reveals the dissociation of one of the pyridyl moieties of the tetradentate NCCN ligand, inducing a meridional, tridentate NCC coordination. As an intermediate for the formation of the tri-substituted complexes a cis di(CN ~( t ) Bu)-substituted Fe( II ) complex was identified by NMR spectroscopy. The impact of the isocyanide ligands on the electronic structure of the iron complexes was investigated by cyclic voltammetry, showing an increase in the required potential for the oxidation of Fe( II ) to Fe( III ) from 423 mV to up to 1092 mV.

机译：已经合成了各种异氰化物取代的Fe（II）N-杂环肉（NHC）络合物，从与赤道，四晶体双（吡啶基-NCC）配体（NCCN）的Fe（II）NHC络合物开始。取决于用于反应的异氰化物的相对量，获得单（异氰化物） - 取代的或三（异氰化物） - 取代的Fe（II）络合物。在三取代的复合物的情况下，单晶X射线衍射揭示了四齿NCCN配体的吡啶基部分之一的解离，诱导了一个化学的三季NCC协调。作为形成三取代的络合物的中间体，通过NMR光谱鉴定CIS DI（CN〜（T）BU） - 取代的Fe（II）复合物。通过循环伏安法研究了异氰化物配体对铁络合物的电子结构的影响，显示了从423mV至高达1092mV氧化Fe（II）至Fe（III）的所需电位的增加。

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《RSC Advances》 |2015年第104期|共8页
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S. Haslinger; A. C. Lindhorst; J. W. Kück; M. Cokoja; A. P?thig; F. E. Kühn;
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1. Isocyanide substitution reactions at the trans labile sites of an iron(II) N-heterocyclic carbene complex [J] . Haslinger S., Lindhorst A. C., Kueck J. W., RSC Advances . 2015,第104期

机译：铁（II）铁（II）N-杂环碳酸酯复合物的反式不稳定位点处的异氰化物取代反应
2. Complexes of iron(II) and iron(III) containing aryl-substituted n-heterocyclic carbene ligands [J] . Przyojski J.A., Arman H.D., Tonzetich Z.J. Organometallics . 2012,第8期

机译：含芳基取代的n-杂环卡宾配体的铁（II）和铁（III）的配合物
3. Complexes of iron(II) and iron(III) containing aryl-substituted n-heterocyclic carbene ligands [J] . Przyojski J.A., Arman H.D., Tonzetich Z.J. Organometallics . 2012,第8期

机译：含芳基取代的n-杂环卡宾配体的铁（II）和铁（III）的配合物
4. Synthesis of Nickel(II) N-Heterocyclic Carbene (NHC) Complexes, Catalyzing Cross-coupling Reactions [C] . Kouki Matsubara, Keita Ueno Symposium on Organometallic Chemistry . 2006

机译：合成镍（II）正杂环基石（NHC）复合物，催化交叉偶联反应
5. (1) Reaction of iron(0) carbene complexes with hexafluorobutyne to form bis(trifluoromethylated) furans. (2) Cycloaddition reactions of vinylketene iron(0) with 1-chloroalkynes to form highly substituted chlorocatechol derivatives. [D] . Akhani, Ravish. 2009

机译：（1）铁（0）卡宾配合物与六氟丁炔反应形成双（三氟甲基化）呋喃。（2）乙烯酮铁（0）与1-氯炔烃的环加成反应，形成高度取代的氯邻苯二酚衍生物。
6. Iridium(III) Hydrido N-Heterocyclic Carbene–PhosphineComplexes as Catalysts in Magnetization Transfer Reactions [O] . Marianna Fekete, Oliver Bayfield, Simon B. Duckett, -1

机译：铱（III）氢N-杂环卡宾-膦配合物在磁化转移反应中作为催化剂
7. Reactions of N-heterocyclic ligands with substitutionally labile organometallic complexes, (η5-C5R5)Fe(CO)2EBF4 [O] . Cyprian M. M’thiruaine, Holger B. Friedrich, Evans O. Changamu, 2012

机译：N-杂环配体与替代不稳定的有机金属配合物的反应（η5-C5R5）Fe（CO）2E BF4
8. Isocyanide-Metal Complexes. III. Reactions of tert-Butyl Isocyanide with Cyclopentadienylmolybdenum Carbonyl Derivatives. [R] . King, R. B., Saran, M. S. 1973

机译：异氰化物 - 金属配合物。 III。叔丁基异氰化物与环戊二烯基钼羰基衍生物的反应。

Isocyanide substitution reactions at the trans labile sites of an iron(ii) N-heterocyclic carbene complex

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