Proton exchange and inversion at coordinated sec-amine centers. Particularly rapid inversion at sterically strained 'planar' N in some [Co(cyclen)(S-AlaO)]2+ and [Co(Mecyclen)(S-AlaO)]2+ complexes

Journal of the American Chemical Society

Volumn 119, Issue 17, 1997, Pages 4050-4058

  Buckingham, David A ^a   Clark, Charles R ^a   Rogers, Andrew J ^a  

^a UNIVERSITY OF OTAGO   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

AMINE; MACROCYCLIC COMPOUND; METAL COMPLEX;

ARTICLE; DIASTEREOISOMER; ENTHALPY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; ISOMER; ISOMERISM; PH; PROTON NUCLEAR MAGNETIC RESONANCE; PROTON TRANSPORT; REACTION ANALYSIS; STEREOCHEMISTRY;

EID: 0030970463     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja963631v     Document Type: Article

References (33)

1. Abstracted (in large part) from the Ph.D. Thesis of A. J. Rogers, University of Otago, 1995.
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8. Buckingham, D. A.; Clark, C. R.; Rogers, A. J.; Simpson, J. Paper in preparation.
9. 2+ equilibrate largely without deuteration at α-CH; equilibration under this condition thus requires reversible one-ended dissociation of the coordinated amino acid: Buckingham, D. A.; Clark, C. R.; Rogers, A. J. Paper in preparation.
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33. The temperature independence of the 1/2/3 equilibrium also supports the structural (i.e., ΔS‡) argument for inversion (vide supra).