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Spectroscopic and Reactivity Studies of a Copper‐Containing Metallacrown
Author(s) -
Blake Alexander J.,
Gould Robert O.,
Grant Craig M.,
Milne Paul E. Y.,
Reed David,
Winpenny Richard E. P.
Publication year - 1994
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199401951
Subject(s) - copper , chemistry , reactivity (psychology) , magnesium , ion , metallacycle , inorganic chemistry , sodium , crystallography , polymer chemistry , x ray crystallography , organic chemistry , medicine , alternative medicine , physics , pathology , diffraction , optics
Cu 7 ‐and Cu 3 Mg‐containing complexes form when the metallacrown 1 is treated with lead or magnesium nitrate, respectively. In the first reaction the sodium ion in the cavity formed by the six copper atoms of the macrocyclic host is replaced by a copper ion, which suggests the destruction of the structure of the macrocycle. In the replacement of the sodium ion by a magnesium ion in the second reaction the macrocycle is cut in half. According to the NMR spectrum of the metallacycle 1 , its structure in the solid state is retained in solution. MeLH = 2‐hydroxy‐6‐methylpyridine.
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