The results show that the title compound is stable; the cis configuration has intramolecular hydrogen bond while trans configuration dose not.
结果表明标题化合物稳定，顺式构型分子内有氢键，反式则没有。
2
H atom of phenolic hydroxyl in the ligand was attractive to N atom forming intramolecular hydrogen bond, and a new six-membered ring was formed by the hydrogen bond connection.