期刊
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
卷 43, 期 11, 页码 1278-1283出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/bkcs.12615
关键词
amino acid; coordination polymer; crystal structure; foldamer; two-dimensional structure
资金
- Sunchon National University Research Fund [2021-0216]
- National Research Foundation of Korea [2018R1A5A1025208]
This study reported transition metal complexes from an unnatural beta-amino acid, showing different coordination modes and structural features.
Coordination polymers from alpha-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 beta-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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