Molecular construction based on icosahedral carboranes and aromatic urea groups. A new type of carboracycle

Members of a new family of macrocyclic compounds incorporating icosahedral carboranes are described, together with their precursors. These macrocycles ( 1– 3 ) are composed of 1,7-dicarba- closo-dodecaborane ( m-carborane) moieties linked via their carbon vertices through N, N′-dimethyldiphenylurea...

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Bibliographic Details
Published in:Tetrahedron letters 2001-08, Vol.42 (34), p.5913-5916
Main Authors: Songkram, Chalermkiat, Yamasaki, Ryu, Tanatani, Aya, Takaishi, Kojiro, Yamaguchi, Kentaro, Kagechika, Hiroyuki, Endo, Yasuyuki
Format: Article
Language:English
Subjects:
carboranes
conformation
molecular design
ureas
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Summary:Members of a new family of macrocyclic compounds incorporating icosahedral carboranes are described, together with their precursors. These macrocycles ( 1– 3 ) are composed of 1,7-dicarba- closo-dodecaborane ( m-carborane) moieties linked via their carbon vertices through N, N′-dimethyldiphenylurea groups. The structures of 1– 3 have been determined by X-ray crystallography. Members of a new family of macrocyclic compounds composed of icosahedral carboranes linked via their carbon vertices through N, N′-dimethyldiphenylurea groups are synthesized and their structures determined.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(01)01138-8