Steric effects of axial methyl substituents on axial coordination of macrocyclic nickel(II) and cobalt(III) complexes

Bulletin of the Chemical Society of Japan

Volumn 71, Issue 11, 1998, Pages 2629-2634

  Mochizuki, Katsura ^a   Ikeuchi, Kouki ^a   Kondo, Takeshi ^a  

^a YOKOHAMA CITY UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

COBALT COMPLEX; MACROCYCLIC COMPOUND; NICKEL COMPLEX;

ARTICLE; CHEMICAL STRUCTURE; MOLECULAR INTERACTION; STEREOCHEMISTRY; SYNTHESIS; X RAY ANALYSIS;

EID: 0031765151     PISSN: 00092673     EISSN: None     Source Type: Journal    
DOI: 10.1246/bcsj.71.2629     Document Type: Article

References (14)

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3. R. W. Hay, B. Jeraph, G. Ferguson, B. Kaitner, and B. L. Ruhl, J. Chem. Soc., Dalton Trans., 1982, 1531.
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6. 2O, were tried in the X-ray structural analysis, no satisfactory results were obtained.
7. "Inorg. Synth.," Vol. VIII, p. 202.
8. B. Bosnich, C. K. Poon, and M. L. Tobe, Inorg. Chem., 4, 1102 (1965).
9. G. A. Melson, "Coordination Chemistry of Macrocyclic Ligand Complexes," Plenum Press, New York and London (1979).
10. K. Mochizuki and T. Kondo, Inorg. Chem., 34, 6241 (1995).
11. i 3.405(3) 0 0 1 Key to symmetry operations: (i) x, y, z; (ii) x+1/2, -y+1/2, z. Ta, Tb, and Tc are unit cell translations (atom(2)).
12. w = 0.107.
13. 6 was measured at room temperature. It showed only one methyl signal at 17.0 ppm, which is reasonably explained in terms of the rapid thermal flexing of the twist-boat six-membered chelate rings in the solution.
14. II] redox couples, which indicates that there is no strong interaction between these cobalt ions under the present conditions.