Ethyl 2-(6-bromo-2-phenyl-3H-imidazo[4,5-b]pyridin-3-yl)acetate

摘要

The title imidazo [4,5-b] pyridine derivative, C16H14BrN3O2, crystallizes with two independent molecules (1 and 2) in the asymmetric unit. In molecule 1, the pendant phenyl ring is inclined to the imidazo[4,5-b]pyridine core by 43.10 (4) while in molecule 2 the corresponding angle is 49.43 (4). The two molecules differ primarily in the conformations of the ester substituents. In the crystal, molecules are linked via C—HN and C—HO hydrogen bonds, forming sheets parallel to the ab plane.