Patent ID: 11952344
Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 1:
2. The compound according to claim 1, wherein R1 is, wherein
X is CH or a nitrogen atom;
Ra is

(1) a C1-3 alkyl group optionally substituted by 1 to 3 fluorine atoms,
(2) a C3-6 cycloalkyl group optionally substituted by 1 to 3 fluorine atoms,
(3) a C1-6 alkoxy group optionally substituted by 1 to 3 fluorine atoms, or
(4) a C3-6 cycloalkyloxy group optionally substituted by 1 to 3 fluorine atoms;
Rb is

(1) a hydrogen atom, or
(2) a halogen atom; and
Rc is

(1) a C1-6 alkoxy group optionally substituted by 1 to 3 fluorine atoms, or
(2) a halogen atom; and
R2 is

(1), wherein
Rd is

(a) a C1-6 alkoxy group optionally substituted by 1 to 3 fluorine atoms,
(b) a difluoromethyl group, or
(c) a trifluoromethyl group; and
Rf1 and Rf2 are each independently a hydrogen atom, fluorine atom, or chlorine atom,

(2), wherein
Re is

(a) a C3-6 cycloalkyl group optionally substituted by 1 to 3 fluorine atoms,
(b) a C1-6 alkoxy group optionally substituted by 1 to 3 fluorine atoms, or
(c) a C1-2 alkyl group substituted by 1-5 fluorine atoms; and
ring B is optionally further substituted by 1 to 3 substituents selected from a fluorine atom, and a chlorine atom, or

(3), wherein
ring C is further substituted by 1 or 2 substituents selected from

(a) a C3-6 cycloalkyl group optionally substituted by 1 to 3 fluorine atoms, and
(b) a C1-2 alkyl group substituted by 1 to 3 fluorine atoms,
or a pharmacologically acceptable salt thereof.