Tuning the size of supramolecular M 4L 4 tetrahedra by ligand connectivity

Markus Albrecht*, Yuli Shang, Kensuke Hasui, Verena Gossen, Gerhard Raabe, Kazukuni Tahara, Yoshito Tobe

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Triangular triscatechol ligands are prepared in facile reaction sequences. The catechol units are either bound to the triangular backbone through their 3- or 4-position. With titanium(iv) ions, the ligands form metallosupramolecular M 4L 4 tetrahedra which are characterized by ESI MS and proton NMR. Quantum-chemical calculations reveal that connectivity at the catechol in the 3-position results in highly condensed structures while attachment in the 4-position affords container molecules providing huge internal cavities.

Original languageEnglish
Pages (from-to)9316-9322
Number of pages7
JournalDalton Transactions
Volume41
Issue number31
DOIs
StatePublished - 21 Aug 2012

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