A bipyridine-strapped porphyrin was prepared using a remote template effect of alkali or transition metal cations in the bipyridine subunit to enhance the yield 10-fold. The flexibility of the bipyridine-strap also allowed the synthesis of a doubly strapped porphyrin.
Remote template effect in the synthesis of bipyridine-strapped porphyrins
M. Berthe, Y. Kagawa, A. Riquet, T. Hayashi, J. Weiss and J. A. Wytko
Chemical Communications (open access) - DOI: 10.1039/D3CC01697H
J. Weiss and J. A. Wytko, , équipe CLAC, Institut de Chimie de Strasbourg (UMR 7177).