Threefold symmetric trimetallic macrocycles formed via the Weak-Link Approach

Maxim V. Ovchinnikov, Bradley J. Holliday, Chad A. Mirkin*, Lev N. Zakharov, Arnold L. Rheingold

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


The synthesis and characterization of a new threefold symmetric hemilabile phosphino-alkylthioether ligand are described. This ligand can be used in combination with Rh(I) and Ir(I) precursor complexes to prepare 40-membered macrocyles with threefold symmetry via the Weak-Link Approach. Synthesis and characterization of two such structures are reported along with a single crystal x-ray diffraction analysis of one of the key intermediates in the case of Rh(I). This is a demonstration of the viability of the Weak-Link Approach for preparing structures other than bimetallic macrocycles and suggests that it could be generalized for a wide range of higher symmetry structures through appropriate hemilabile ligand design.

Original languageEnglish (US)
Pages (from-to)4927-4931
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number8
StatePublished - Apr 16 2002

ASJC Scopus subject areas

  • General


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