obtained by the addition of hypophosphorous acid to Schiff bases of ferrocenecarboxaldehyde. They were subsequently condensed with cholesterol and adenosine to form their cholesteryl and adenosinyl esters. The concurrence reaction of DCC with amine nitrogen atom was observed.
The use of N-(alkyl/arylmethyl)-ferrocenylimines as ketene scavengers in the cobalt-catalysed carbonylation of ethyl diazoacetate resulted in the formation of tetrahydro-4(1H)-pyrimidinones as the main products. The structures of the new compounds were determined by various NMR techniques including 2D measurements. In some cases, the stereochemistry was proved by X-ray crystallography.
Cyclopalladated compounds derived from ferrocenylimines. Crystal strcuture of [Pd{(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)Fe[η<sup>5</sup>-C<sub>5</sub>H<sub>3</sub>CHN(CH<sub>2</sub>)<sub>2</sub>Ph]}Cl(PEt<sub>3</sub>)]
Reactions of ferrocenylimines of general formula [Fe(η5-C5H5)η5-C5H4CHN(CH2)nPh}](n= 1 1a or 2 1b) with palladium(II) salts have been studied. The dimeric cyclopalladated complexes [[graphic omitted](CH2)nPh}]Cl}2]2a and 2b were obtained when the reactions were carried out in the presence of sodium acetate and using Na2[PdCl4] as starting material. Addition of phosphine ligands PR3(R = Ph or Et)
Synthesis and redox properties of novel ferrocenes with redox active 2,6-di-tert-butylphenol fragments: The first example of 2,6-di-tert-butylphenoxyl radicals in ferrocene system
Novel Schiff bases of ferrocenecarboxaldehyde bearing 2,6-di-tert-butyphenol fragments N-(3,5-di-tert-butyl-4-hydroxyphenyl)iminomethylferrocene (1) and N-(3,5-di-tert-butyl-4-hydroxybenzyl)iminomethylferrocene (2) have been synthesized and characterized. The oxidation of the compounds 1 and 2 by PbO2 in solution leads to the formation of stable phenoxyl radicals 1′ and 2′ studied by EPR spectroscopy