PROBLEM TO BE SOLVED: To provide: an unprecedented imidazopyridine amine compound having excellent neurocyte differentiation promoting activity and high safety a pharmaceutically acceptable salt or a solvate thereof an application thereof and a production method therefor.SOLUTION: There are provided: an imidazopyridine amine compound represented by the formula 1 a pharmaceutical composition comprising a pharmaceutically acceptable salt or a solvate thereof and a neurocyte differentiation promotor. [R1 to R3 each independently represent H, halogen or the like R1 and R2 or R1 and R3 may form an unsubstituted/substituted 5- to 8-membered heterocyclic ring together with an N atom m represents an integer of 0 to 2 and A ring represents a substituted/unsubstituted carbon ring or a hetero ring.]SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】優れた神経細胞分化促進作用を有し、安全性の高い従来にないイミダゾピリジンアミン化合物又はその薬学的に許容可能な塩若しくは溶媒和物、その用途、及びその製造方法の提供。【解決手段】式1で表されるイミダゾピリジンアミン化合物、その薬学的に許容可能な塩若しくは溶媒和物を含有する医薬組成物、及び神経細胞分化促進剤。[R1~R3及びXは各々独立に、H、ハロゲン等;R1及びR2又はR1及びR3は、N原子と一緒になって、非置換/置換の5~8員の複素環を形成してもよい;mは0~2の整数、A環は置換/非置換の炭素環又はヘテロ環]【選択図】図1
