M. Desamparados Velasco
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In this paper we study the fractional Lagrangian of Pais–Uhlenbeck oscillator. We obtained the fractional Euler–Lagrangian equation of the system and then we studied the obtained Euler–Lagrangian… Continue Reading
A synthetic procedure based on the aza-Wittig reaction of α-azidoacetyl ferrocene or 1,1‘-bis(α-azidoacetyl)ferrocene with mono-, di-, and triacyl chlorides and triphenylphosphine has been developed… Continue Reading
Abstract The bis(ferrocene) derivative 3-bromo-2,4-bis(ferrocenyl)furan ( 3 ) was prepared from α-bromoacetylferrocene ( 1 ) by basic treatment. The heterotrimetallic complex 7 containing two… Continue Reading
A rapid and efficient synthetic procedure has been developed to prepare new ferrocene derivatives such as β-ferrocenylvinyl heterocumulenes and ferrocene-containing imidazole ring bearing one, two,… Continue Reading
The synthesis and study of structural and electronic properties of mono-ferrocenyl π-conjugated complexes 5a–d, whose electronic characteristics have been systematically varied by introducing an… Continue Reading
Abstract The cathodic reduction of phenacyl bromide yield different products when the electrolysis is carried out in dimethylformamide or methanol. The formation of products is rationalized.
The previously unreported 2,5-bis(ferrocenyl)thiazole 4, prepared from α-aminoacetylferrocene and chlorocarbonylferrocene in two steps, exhibits two reversible redox processes, indicating a… Continue Reading
From electrochemical reduction of phenacyl bromide, 3,5-diphenyl-2(3H)-furanone was obtained as a side-product and its structure was determined by chemical and spectral techniques.
Abstract A synthetic procedure has been developed to prepare new oxazolo-ferrocene ligands. The method, which allows the formation of homobimetallics oxazole–ferrocenes 4 – 7 containing two oxazole… Continue Reading