Hydrothermal treatment of racemic atropisomeric ligand diethyl (R,S)-7,7'-dimethyl-4,4'-biquinoline-3,3'-dicarboxylate (DDBD) in the presence of pyridine over 4 days at 140 ℃ with Zn(OAc)2 offers zinc coordination polymer [{Zn(DBD)(pyridine)2(H2O)}n{Zn(DBD)(H2O)1/2}]n (1), which shows weak fluorescence at about 490 nm at solid state at room temperature. CCDC: 631007.
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