| abstract |
Disclosed is a novel pyrrolo[2,3-d]pyrimidine compound represented by formula [I] or a pharmacologically acceptable salt thereof, which has a GPR119 receptor agonistic activity and is useful for a pharmaceutical. In formula [I], E represents a group represented by formula: -NH-, or the like; ring A represents a 6-membered aromatic ring which may contain 1 to 2 nitrogen atoms as heteroatoms (the aromatic ring may be substituted by a halogen atom, a group represented by formula: -CONR a R b , or the like; R a and R b are the same or different and independently represent hydrogen, alkyl, hydroxyalkyl, or the like); R 1 represents an acyl group or the like; and R 2 represents a halogen atom or a cyano group. |