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Cooperative self-assembly of a macrocyclic Schiff base complex

Cooperative self-assembly of a macrocyclic Schiff base complex

Salassa, Giovanni, Castilla, Ana Maria ORCID: 0000-0002-5895-6190 and Kleij, Arjan W. (2011) Cooperative self-assembly of a macrocyclic Schiff base complex. Dalton Transactions, 40 (19). pp. 5236-5243. ISSN 1477-9226 (Print), 1477-9234 (Online) (doi:

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A metal template approach affords in high yield a tetra-Zn(salphen) macrocycle (3) which shows strong and cooperative self-assembly mediated by the formation of Zn(salphen) dimer units held together viaμ2-phenoxo interactions. A cooperative binding mode for the tetranuclear Zn4 macrocycle 3 is supported by comparison of UV-vis and fluorescence titration data recorded for 3 when compared with respective mononuclear and dinuclear Zn(salphen) model compounds. UV-vis dilution experiments carried out for Zn4 macrocycle 3 and its Pd4 analogue 4, as well as comparative TEM studies involving the same tetranuclear macrocycles further support the strong assembly behavior of 3. This self-assembly seems to be primarily dictated by its ability to form multiple, self-assembled dimeric [Zn(salphen)]2 units.

Item Type: Article
Uncontrolled Keywords: self-assembly; salen; salphen; zinc
Subjects: Q Science > Q Science (General)
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Science (SCI)
Last Modified: 23 Jan 2024 11:13

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