Abstract
AbstractCoordination polymers from α‐amino acids are promising organic–inorganic hybrid composites with chirality and biocompatibility. However, coordination polymers from unnatural amino acids are rarely studied. Here, we report the transition metal complexes from an unnatural β‐amino acid, (1S,2S)‐2‐aminocyclopentanecarboxylic acid, affording two possible coordination modes from the conformationally rigid cyclopentane ring. X‐ray crystallographic analysis revealed that Zn(II) formed a two‐dimensional (2D) coordination polymer via N,O‐bridging mode. In contrast, Cu(II) formed a discrete complex via N,O‐chelating mode and then constructed a 2D supramolecular network stabilized by hydrogen bonding between water and the ligands.
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