Abstract
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.

![[Translate to English:]](/websites/_processed_/0/4/csm_signature-unistra_16a9ad672e.png)
![[Translate to English:]](/websites/_processed_/0/e/csm_logo-cnrs_c35686510a.png)
![[Translate to English:]](/websites/_processed_/9/4/csm_logo-fondation-lehn_e04fdb6c72.png)