Studies on the synthesis, spectra and structure of isomerized products of isopentadiene(dicarbonyl)-[ethoxy(aryl)carbene]iron complexes and the crystal structure of tetracarbonyl[ethoxy-(pentachlorophenyl)carbene]iron
Studies on the synthesis, spectra and structure of isomerized products of isopentadiene（dicarbonyl）-[ethoxy（aryl）carbene]iron complexes and the crystal structure of tetracarbonyl[ethoxy-（pentachlorophenyl）carbene]iron作者机构：Shanghai Institute of Organic Chemistry Academia Sinica Shanghai Institute of Physical Chemistry Peking University Beijing
出 版 物：《Chinese Journal of Chemistry》 (中国化学(英文版))
年 卷 期：1987年第5卷第1期
页 面：85-97页
主 题：dicarbonyl aryl)carbene]iron complexes and the crystal structure of tetracarbonyl[ethoxy pentachlorophenyl)carbene]iron spectra and structure of isomerized products of isopentadiene ethoxy
摘 要：Reaction of π-isopentadienetricarbonyliron （1） with aryl lithium ArLi （Ar = phenyl,p-tolyl, p-methoxyphenyl, p-trifluoromethylphenyl） in ether at low temperature, and subsequentalkylation of the acylmetallate formed with trietbyloxonium tetrafluoroborate[（C2H6）3OBF4] in aqueoussolution at 0℃, gave orange-red crystalline complexes （2--5）, the isomerized products of isopentadiene（dicarbonyl） [ethoxy（aryl）carbene] iron with composition of C5H8（CO）2FeC（OC2H5）Ar When LiC6Cl5was used as nucleophilic reagent in the reaction, on alkylation of the afforded acylmetallate inter-mediate under some reaction conditions, complex （CO）4FeC（OC2H5）C6Cl5（6） was obtained. Themolecular structure of complexes 2 and 6 were determined by means of single crystal X-ray diffrac-tion measurements. IR,1H NMR and mass spectra of these complexes were investigated.
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