Synthesis, characterization and structural elucidation of water-soluble 1-aminoalkane and α,ω-diaminoalkane complexes of the pentamethylcyclopentadienyliron dicarbonyl cation, [Cp∗(CO)2Fe]+
摘要:
A series of water-soluble alkylaminopentamethylcyclopentadienyliron dicarbonyl complexes, [Cp*(CO)(2)Fe{NH2(CH2)(n)CH3}]BF4 (n = 2-6; Cp* = eta(5)-C5Me5) and the diaminopropane bridged complex, [{Cp*(CO)(2)Fe}(2){mu-NH2(CH2)(3)NH2}](BF4)(2) have been synthesized and fully characterized. [Cp* (CO)(2)Fe{NH2(CH2)(5)CH3}]BF4 undergoes counteranion exchange with sodium tetraphenylborate in both aqueous and organic media to give water insoluble [Cp* (CO)(2)Fe{NH2(CH2)(5)CH3}]BPh4. The molecular structures for compounds [Cp*(CO)(2)Fe{NH2(CH2)(3)CH3}]BF4 and [{Cp*(CO)(2)Fe}(2){mu-NH2(CH2)(3)NH2}](BF4)(2) have been determined by single crystal X-ray crystallography and show that they crystallize in the orthorhombic and monoclinic crystal systems, respectively. (C) 2011 Elsevier B. V. All rights reserved.