Polarographic reduction potentials and substituent group electronic effects for a series of tris(1, 3, 5-diketonato)chromium(III) chelates in dimethyl sulfoxide and in dioxane-water

1974 ◽  
Vol 13 (4) ◽  
pp. 893-896 ◽  
Author(s):  
R. F. Handy ◽  
R. L. Lintvedt
Keyword(s):  
Dimethyl Sulfoxide ◽  
Polarographic Reduction ◽  
Electronic Effects ◽  
Reduction Potentials ◽  
Substituent Group

Electronic effects of the substituent group in 8-quinolinolato ligand on geometrical isomerism for nitrosylruthenium(II) complexes

2000 ◽  
Vol 299 (1) ◽  
pp. 80-90 ◽  
Author(s):  
Hongfei Wang ◽  
Taiki Hagihara ◽  
Hidenori Ikezawa ◽  
Hiroshi Tomizawa ◽  
Eiichi Miki
Keyword(s):  
Electronic Effects ◽  
Substituent Group ◽  
Geometrical Isomerism

Electronic Effects in 1,3-diaryl-1,3-diketone Reduction Potentials Correlate with  0

2015 ◽  
Vol 4 (12) ◽  
pp. H66-H68
Author(s):  
S. L. Gipson ◽  
C. M. Garner ◽  
B. D. Panthi
Keyword(s):  
Electronic Effects ◽  
Reduction Potentials

Amide Tricobaltcarbon Clusters With Multiple Redox Centers

1986 ◽  
Vol 39 (9) ◽  
pp. 1435 ◽  
Author(s):  
BH Robinson ◽  
J Simpson ◽  
ME Trounson
Keyword(s):  
Charge Transfer ◽  
Amino Acid ◽  
Electronic Effects ◽  
Acid Moiety ◽  
Amide Linkage ◽  
Substituent Group ◽  
Irreversible Oxidation ◽  
Amino Acid Moiety ◽  
Intervalence Charge Transfer ◽  
Redox Centers

The complexes FcNHC (O)CCo3(CO)9 ( Fc = ferrocenyl ) (3) and Fc ( alaOMe )C(O)CCo3(CO)9 (ala = alanine ) (5) have been synthesized from the +C(O)CCo3(CO)9 cation and FcNH2 or Fc ( alaOMe )H respectively. Derivatives FcNHC (O)CCo3(CO)6[P( OPh )3]3 (4) and Fc ( alaOMe )C(O)CCo3(CO)6[P( OPh )3]3 (6) are also described. Analysis of the spectroscopic and redox behaviour shows that the amide linkage acts as a -I, -M substituent group to Fc and the Co3C unit acts as a-I, +M group. Unlike complexes where these redox centres are directly linked, electronic effects are not transmitted between Co3C and Fc . Oxidation at the ferrocene centre and reduction at the Co3C centre in (3) and (5) is chemically reversible whereas oxidation of the amino acid moiety is irreversible; oxidation of the cluster takes place in (4) and (6) but no intervalence charge transfer is observed.

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