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Title: Selective binding of group IIIA and lanthanide metals by hexahomotrioxacalix[3]arene macrocycles

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/ja9605984· OSTI ID:374501
;  [1]; ;  [2]
  1. Sandia National Lab., Albuquerque, NM (United States)
  2. Univ. of New Mexico, Albuquerque, NM (United States)

The hexahomotrioxacalix[3]arene macrocycles 1 are observed to bind trivalent metals (SC{sup 3+}, Lu{sup 3+}, Y{sup 3+}, La{sup 3+}) more strongly than alkali metal ions (Li{sup +}, Na{sup +}, K{sup +}). Complexes of macrocycle 1a with Lu(III) (3), Y(III) (4), and La(III) (5) have been structurally characterized to be {mu}-aryloxo-bridged dimers with the formula [M(L)(DMS0)]{sub 2} (M = Lu, Y, La; L = trianion of macrocycle 1a). Periodic trends in the structures and dynamic behavior of the complexes are discussed. 28 refs., 2 figs., 2 tabs.

Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
374501
Journal Information:
Journal of the American Chemical Society, Vol. 118, Issue 33; Other Information: PBD: 21 Aug 1996
Country of Publication:
United States
Language:
English