摘要:
A compound having Nrf2-activating action is provided. The compound is represented by formula (I), a salt of the compound, or a solvate of the compound or salt:
wherein R
1a
and R
1b
are identical or different and represent a hydrogen atom, an alkyl group, or a halogen atom; R
2
represents an optionally substituted group derived from a heterocycle, and the heterocycle represents thiophene, furan, pyrrole, thiazole, or a fused ring including any of these heterocycles; R
4
and R
5
are identical or different and represent a hydrogen atom or an optionally substituted alkyl group, or R
4
and R
5
bind with each other to form —NH—CH—N—; R
6
represents an optionally substituted alkyl group; A
1
, A
2
, A
3
, and A
4
are identical or different and represent CH or N wherein the number of N is 1 or less; and Z represents a hydrogen atom or a halogen atom.