2-(2-Ethyl-4,6-dimethylbenzimidazol-1-yl)methyl-10,11-dihydro-5H-dibenzo[b,f]azepine 、 2-ethyl-4,6-dimethylbenzimidazole 以obtained in Reference Example 1, instead of 2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine的产率得到咪唑并二甲基吡啶
The present invention provides a PPAR γ agonist comprising, as an active ingredient, a tricyclic compound represented by the formula (I)
(wherein R1 represents lower alkyl optionally having substituent(s) or the like, R2 and R3 are the same or different and each represents lower alkyl optionally having substituent(s) or the like, R4 and R5 are the same or different and each represents a hydrogen atom or the like, Q1-Q2-Q3 represents CH═CH—CH═CH or the like, Y represents a single bond or the like, Z1-Z2 represents C═CR13 (wherein R13 represents a hydrogen atom or the like), or the like, and A represents —COOH or the like), or a pharmaceutically acceptable salt thereof and the like.