Fig. 1: Synthesis and single-crystal structures of metallacages and [2]catenanes.
From: Cross-catenation between position-isomeric metallacages
(a) Synthesis of metallacage 4 and crystal structure of [2]catenane 4+4; (b) synthesis of metallacage 6 and crystal structures of [2]catenane 6+6 and cross-catenane 4+6. (Hydrogen atoms omitted for clarity).
