Sulfonamide derivative and use thereof
AssigneeTakeda Pharmaceutical Company Limited
InventorsShoji Fukumoto, Osamu Ujikawa, Shinji Morimoto, Yasutomi Asano, Satoshi Mikami, Norihito Tokunaga, Masakuni Kori, Toshihiro Imaeda, Koichiro Fukuda, Shinji Nakamura, Kouichi Iwanaga
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Abstract
Provided is a compound having an AMPA receptor function enhancing action, and useful as a prophylactic or therapeutic drug for depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. A compound represented by the formula (I): wherein each symbol is as defined in the present specification, or a salt thereof.
Claims11
A compound represented by the formula (I)
- wherein
- R1 is
- a C1-6 alkyl group optionally substituted by 1 to 3 substituent(s) selected from a halogen atom and a C1-3 alkoxy group;
- a C3-6 cycloalkyl group;
- or
- an amino group substituted by a C1-6 alkyl group,
- R2 and R3 are hydrogen atoms,
- X is —O—,
- ring A is selected from
- C3-6 cycloalkane;
- a tetrahydrofuran ring;
- a tetrahydropyran ring;
- a piperidine ring;
- a tetrahydrothiopyran ring;
- and
- a 8-oxabicyclo[3.2.1]octane ring, each optionally substituted by 1 to 3 substituents selected from
- (1) 1 to 3 halogen atoms;
- (2) a C1-6 alkyl group optionally substituted by one phenyl group;
- (3) a carbamoyl group substituted by a C1-6 alkyl group;
- (4) a C1-6 alkyl-carbonyl group;
- (5) a C1-6 alkoxy-carbonyl group;
- (6) an oxo group;
- (7) a hydroxyl group;
- and
- (8) a C1-6 alkylsulfonyl group, and
- ring B is selected from
- a benzene ring;
- C3-6 cycloalkane;
- a dihydroindene ring;
- a naphthalene ring;
- a pyridine ring;
- a chromene ring;
- an indole ring;
- and
- a benzothiazole ring, each optionally having 1 to 3 substituent(s) selected from
- (1) a halogen atom;
- (2) a cyano group;
- (3) a C1-6 alkyl group optionally substituted by 1 to 3 substituents selected from a halogen atom and a cyano group;
- (4) a hydroxyl group optionally substituted by a C1-6 alkyl group optionally substituted by 1 to 3 halogen atoms or a phenyl group;
- (5) an amino group optionally substituted by 1 or 2 substituents selected from a C1-6 alkyl group, a C1-6 alkyl-carbonyl and a phenyl group;
- (6) a C3-6 cycloalkyl group;
- (7) a tricyclo[3.3.1.1.3.7]decyl group;
- (8) phenyl optionally substituted by 1 to 3 substituents selected from a halogen atom and a cyano group;
- (9) pyridyl optionally substituted by 1 to 3 substituents selected from a halogen atom, a cyano group and a C1-6 alkyl group optionally substituted by 1 to 3 halogen atoms;
- (10) pyrazolyl optionally substituted by 1 to 3 substituents selected from a halogen atom, a cyano group, a C1-6 alkyl group optionally substituted by 1 to 3 halogen atoms and a C1-6 alkoxy group optionally substituted by 1 to 3 halogen atoms;
- (11) imidazolyl optionally substituted by a C1-6 alkyl group;
- (12) thienyl optionally substituted by a cyano group;
- (13) pyrimidinyl optionally substituted by 1 to 3 substituents selected from a halogen atom and a cyano group;
- (14) isoxazolyl substituted by a C1-6 alkyl group;
- (15) oxazolyl optionally substituted by a C1-6 alkyl group optionally substituted by 1 to 3 halogen atoms;
- (16) thiazolyl optionally substituted by 1 to 3 substituents selected from a halogen atom and a C1-6alkyl group optionally substituted by 1 to 3 halogen atoms;
- (17) piperidyl optionally substituted by 1 to 3 substituents selected from a C1-6 alkyl group optionally substituted by 1 to 3 halogen atoms and an oxo group;
- (18) pyrrolidyl optionally substituted by 1 to 3 substituents selected from a halogen atom and an oxo group;
- (19) dihydropyridyl optionally substituted by 1 to 3 substituents selected from a C1-6 alkyl group and an oxo group;
- (20) tetrahydropyridazinyl optionally substituted by 1 to 3 substituents selected from a C1-6 alkyl group and an oxo group;
- (21) oxetanyl;
- (22) morpholinyl;
- (23) tetrahydropyranyl;
- (24) a sulfanyl group optionally substituted by a C1-6 alkyl group substituted by 1 to 3 halogen atoms;
- (25) a C1-6 alkyl-carbonyl group;
- (26) a C1-6 alkoxy-carbonyl group;
- and
- (27) an oxo group,
- or a salt thereof.
N-[(3R,4S)-3-{[4-(4-chloro-1H-pyrazol-1-yl)phenoxy]methyl}tetrahydro-2H-pyran-4-yl]methanesulfonamide or a salt thereof.
N-[(3RS,4SR)-3-({4-[5-(trifluoromethyl)pyridin-2-yl]phenoxy}methyl)tetrahydro-2H-pyran-4-yl]ethanesulfonamide or a salt thereof.
N-[(3R,4S)-4-{[4-(5-chloro-3-fluoropyridin-2-yl)phenoxy]methyl}tetrahydro-2H-pyran-3-yl]cyclopropanesulfonamide or a salt thereof.
Dependencies are inferred from the claim text.