3,3′-Bis(4-chlorophenyl)-2,2′-(m-phenylenedioxy)diquinazolin-4(3H)-one (2009)
Hai-Zhou Yang, Hai-Tao Gao, Xu-Hong Yang
In the title compound, C34H20Cl2N4O4, the two quinazoline heterocyclic systems and the adjacent chlorobenzene rings are not coplanar, but oriented at dihedral angles of 66.66 (13) and...
Xiao-Hua Zeng, Shou-Heng Deng, Ping Chen, Hong-Mei Wang, Hai-Tao Gao
The title compound, C20H19N5O2, exhibits whole-molecule disorder the refined ratios of the two components being 0.57 (2):0.43 (2). In the major component, the essentially planar [maximum...
Ethyl 1-(6-chloro-3-pyridylmethyl)-5-ethoxymethyleneamino-1H-1,2,3-triazole-4-carboxylate (2008)
Xiao-Bao Chen, Feng-Mei Sun, Hai-Tao Gao, Jing Xu, Ai-Hua Zheng
In the title compound, C14H16ClN5O3, there is evidence for significant electron delocalization in the triazolyl system. Intramolecular C—H...O and intermolecular C—H...O and C—H...N...