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ABSTRACT:
SUBMITTER: Pirondini L
PROVIDER: S-EPMC122693 | biostudies-literature | 2002 Apr
REPOSITORIES: biostudies-literature
Pirondini Laura L Bertolini Francesca F Cantadori Barbara B Ugozzoli Franco F Massera Chiara C Dalcanale Enrico E
Proceedings of the National Academy of Sciences of the United States of America 20020409 8
The self-assembly of a new class of coordination cages formed from two tetrapyridyl-substituted cavitands connected through four square-planar palladium or platinum complexes is reported. The shape of the internal cavity resembles an ellipsoid with a calculated volume of 840 A(3). The four lateral portals have a diameter of about 6 A, large enough to allow the fast entrance/egress of counterions in solution. The platinum cages 3a,e cannot be disassembled using triethylamine as competitive ligand ...[more]