Polyfluoroaromatic derivatives of metal carbonyls. Part V. Further reactions of the anion [(π-C5H5)Fe(CO)2]– with substituted polyfluoro-aromatic compounds
Abstract
Reactions of the anion [(π-C5H5)Fe(CO)2]– with C6F5X (X = Me, CH:CH2, CH2CH:CH2, and OMe) have given the complexes p-XC6F4·Fe(CO)2(π-C5H5). Isomers have been found in the products where X = CH2CH:CH2 and OMe, and their structures and possible mode of formation are discussed. The reactions of the ethers p-HC6F4·OR (R = Me, Et, CH2CH:CH2, and CH2C⋮CH) with the same anion have given the complexes RFe(CO)2(π-C5H5), and comparable products are formed in the reactions with p-(MeO)2C6F4 and with (p-MeOC6F4)2. The results are compared with other oxygen–alkyl fission reactions in the polyfluoro- and polychloro-aromatic series.