A one-pot synthesis of substituted multi-2,2′:6′,2″-terpyridines (multi-tpy) has been achieved using an acetylquaterpyridine precursor with various aryl aldehydes in basic media. This strategy enables ready access to functionalized triterpyridines. Utilizing a Suzuki-type cross-coupling, larger structures such as tetra- or even hexa-tpy were obtained from our tritpy precursor. These macromolecular units are ideal building blocks for the construction of transition-metal-based supramolecular assemblies.
Jacques, A., Cerfontaine, S., & Elias, B. (2015). Access to functionalized luminescent multi-2,2′:6′,2″-terpyridine ligands. The Journal of Organic Chemistry, 80, 11143-11148. https://doi.org/10.1021/acs.joc.5b01897 (Original work published 2015)