Journal of the Chemical Society. Chemical communications p. 1505 - 1507 (1993)
Update date:2022-08-11
Topics:
Hall, C. Dennis
Tucker, James H. R.
Chu, Sunny Y. F.
Parkins, Adrian W.
Nyburg, Stanley C.
The cryptand 3, containing both a ferrocene unit and a 2,6-disubstituted pyridine unit, forms complexes with di- and tri-valent cations; the X-ray crystal structure of a 2:1 (host:guest) complex with Ca2+ shows that the metal cations are coordinated by a cis-configuration of the carbonyl groups on the short (pyridyl) side of the macrocyclic ring, which confirms the interpretation of the 1H and 13C NMR data of the complexes in solution.
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