(E)-2-Phenyl-N-(thio-phen-2-yl-methyl--idene)imidazo[1,2-a]pyridin-3-amine

摘要

The asymmetric unit of the title compound, C18H13N3S, is build up from two independent mol-ecules slightly inclined to each other. In each mol-ecule, the imidazo[1,2-a]pyridine ring system is almost planar, with the largest deviation from the mean plane being 0.022?(1)?? in the first mol-ecule and 0.018?(1)?? in the second mol-ecule. The fused-ring system belonging to the first mol-ecule makes dihedral angles of 24.06?(7) and 40.52?(8)° with the thio-phenyl and phenyl rings, respectively. The corresponding values observed in the second mol-ecule are nearly the same, namely 25.20?(7) and 38.99?(7)°, respectively. The dihedral angle between the thio-phenyl and phenyl rings is 63.47?(9)° in the first mol-ecule and 47.49?(9)° in the second. The cohesion of the crystal structure is ensured by two C—H?N hydrogen bonds between mol-ecules and by three C—H?π?inter-actions, forming a three-dimensional network.