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The reaction between pyridine-2-carbaldehyde and zinc chloride in wet MeCN yielded a zinc chelate complex with hemiacetal formed in situ from the hydrated pyridine-2-carbaldehyde and the second molecule of pyridine-2-carbaldehyde. According to X-ray diffraction data, the pentacoordinated environment of the zinc ion is formed by two chlorine atoms and the N,N',O-tridentate ligand. In the crystal, molecules...
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