Synthesis of the alkoxo(hydrido)-clusters [Ru3(µ-H)(CO)10(µ-OR)][R = Me, Et, Prn, or Bun] catalysed by dinuclear carbonyl iron complexes

Author(s):  
Silvio Aime ◽  
Mauro Botta ◽  
Roberto Gobetto ◽  
Domenico Osella ◽  
Franco Padovan
Keyword(s):  
1991 ◽  
Vol 32 (49) ◽  
pp. 7259-7260 ◽  
Author(s):  
Hassan Cherkaoui ◽  
Jacques Martelli ◽  
René Grée
Keyword(s):  

Tetrahedron ◽  
1986 ◽  
Vol 42 (6) ◽  
pp. 1721-1729 ◽  
Author(s):  
Holger Butenschön ◽  
Armin de Meijere
Keyword(s):  

1977 ◽  
Vol 32 (9) ◽  
pp. 1010-1014 ◽  
Author(s):  
Dieter Sellmann ◽  
Ernst Kleinschmidt

The synthesis of binuclear iron and chromium complexes with bridging dppe ligands is reported, e.g. [μ-dppe{C5H5Fe(CO)Br}2] or [μ-dppe{C5H5Cr(CO)(NO)}2], (dppe = (C6H5)2PC2H4P(C6H5)2). With hydrazine, these compounds yield no doubly bridged complexes with dppe and N2H4 bridges, neither in dark- nor in photo-reactions. In case of the iron complexes either reduction of the starting complex or transformation of the dppe bridging ligand into a chelating ligand are observed instead. The reactions depend upon the polarity of the solvent and yield [μ-dppe{C5H5Fe(CO)}2] in benzene, however, [C5H5Fe(CO)(dppe)]Br in tetrahydrofuran. The chromium complex undergoes decomposition on UV irradiation, splitting off CO and yielding the chelate complex [C5H5Cr(NO)(dppe)] as well as polymeric [C5H5Cr(NO)]x.


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