Zhang Xin, Sun Chen, Li Fei-Ran, Zhang Hua
College of Chemistry, Tianjin Normal University, Tianjin 300387, People's Republic of China.
Acta Crystallogr Sect E Struct Rep Online. 2012 Apr 1;68(Pt 4):o1062. doi: 10.1107/S1600536812010343. Epub 2012 Mar 14.
The mol-ecule of the title compound, C(27)H(24)N(4)O(5), exists in the keto-enamine tautomeric form, stabilized by an intra-molecular N-H⋯O hydrogen bond. An intra-molecular C-H⋯·O hydrogen bond also occurs. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules into chains.
标题化合物C(27)H(24)N(4)O(5)的分子以酮-烯胺互变异构形式存在,通过分子内N-H⋯O氢键得以稳定。分子内还存在C-H⋯·O氢键。在晶体中,C-H⋯O氢键将分子连接成链。