# US 10,308,605 B2 · Proton pump inhibitors

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- Number: US 10,308,605 B2
- Document ID: US10308605B2
- Status: Granted
- Kind: B2
- Application number: 14/450,191
- Filed: 2014-08-01
- Published: 2014-11-20
- Granted: 2019-06-04
- Earliest claimed: 2004-09-30
- Assignees: Takeda Pharmaceutical Company Limited
- Applicants: Takeda Pharmaceutical Company Limited
- Inventors: Masahiro Kajino; Atsushi Hasuoka; Naoki Tarui; Terufumi Takagi
- Web page: https://patentgrep.com/patent/US10308605B2

## CPC

- C07D 207/48: Sulfur atoms
- A61K 31/4025: not condensed and containing further heterocyclic rings, e.g. cromakalim
- A61K 31/41: having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K 31/4439: containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole (nicotine A61K31/465)
- A61K 31/501: not condensed and containing further heterocyclic rings
- A61K 31/506: not condensed and containing further heterocyclic rings
- A61P 1/00: Drugs for disorders of the alimentary tract or the digestive system
- A61P 1/04: for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
- A61P 35/00: Antineoplastic agents
- A61P 43/00: Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
- C07D 207/335: Radicals substituted by nitrogen atoms not forming part of a nitro radical
- C07D 401/04: directly linked by a ring-member-to-ring-member bond
- C07D 401/12: linked by a chain containing hetero atoms as chain links
- C07D 403/04: directly linked by a ring-member-to-ring-member bond
- C07D 403/12: linked by a chain containing hetero atoms as chain links
- C07D 405/04: directly linked by a ring-member-to-ring-member bond
- C07D 405/12: linked by a chain containing hetero atoms as chain links
- C07D 409/04: directly linked by a ring-member-to-ring-member bond
- C07D 409/12: linked by a chain containing hetero atoms as chain links
- C07D 417/12: linked by a chain containing hetero atoms as chain links
- C07D 487/04: Ortho-condensed systems
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

## Abstract

A proton pump inhibitor containing a compound represented by the formula (I) wherein X and Y are the same or different and each is a bond or a spacer having 1 to 20 carbon atoms in the main chain, R1is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, R2, R3 and R4 are the same or different and each is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted thienyl group, an optionally substituted benzo[b]thienyl group, an optionally substituted furyl group, an optionally substituted pyridyl group, an optionally substituted pyrazolyl group, an optionally substituted pyrimidinyl group, an acyl group, a halogen atom, a cyano group or a nitro group, R5 and R6 are the same or different and each is a hydrogen atom or an optionally substituted hydrocarbon group, which has a superior proton pump action and shows an antiulcer activity and the like after conversion to a proton pump inhibitor in the body, or a salt thereof, or a prodrug thereof is provided.

## Claims

### Claim 1

A compound represented by the formula (II-a)
wherein X1 is —SO2—,
Y1 is an optionally substituted alkylene group wherein a substituent of Y1 does not include an oxo group,
R10is an optionally substituted phenyl group,
R11 is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted thienyl group, an optionally substituted benzo[b]thienyl group, an optionally substituted furyl group, an optionally substituted pyridyl group, an optionally substituted pyrazolyl group or an optionally substituted pyrimidinyl group,
R12 is a halogen atom or an optionally substituted hydrocarbon group,
R13 is a halogen atom or an optionally substituted hydrocarbon group,
R14 is a hydrogen atom or a methyl group, and
R15 is a methyl group,
wherein the hydrocarbon group, for R11,R12 and R13, is selected from C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3-7 cycloalkyl, C6-14 aryl, and C7-16 aralkyl;
wherein each of C1-6 alkyl, C2-6 alkenyl, and C2-6 alkynyl, for R11, R12 and R13, may independently optionally be substituted by 1 to 3 substituents selected from (1) a halogen atom, (2) nitro, (3) cyano, (4) hydroxy, (5) C1-6 alkoxy optionally having 1 to 3 halogen atoms, (6) C6-14 aryloxy, (7) C7-16 aralkyloxy, (8) mercapto, (9) C1-6 alkylthio optionally having 1 to 3 halogen atoms, (10) C6-14 arylthio, (11) C7-16 aralkylthio, (12) amino, (13) mono-C1-6 alkylamino, (14) mono-C6-14 arylamino, (15) mono-C7-16 aralkylamino, (16) di-C1-6 alkylamino, (17) di-C6-14 arylamino, (18) di-C7-16 aralkylamino, (19) formyl, (20) C1-6 alkyl-carbonyl, (21) C6-14 aryl-carbonyl, (22) carboxyl, (23) C1-6 alkoxy-carbonyl, (24) C6-14 aryloxy-carbonyl, (25) carbamoyl, (26) thiocarbamoyl, (27) mono-C1-6 alkyl-carbamoyl, (28) di-C1-6 alkyl-carbamoyl, (29) C6-14 aryl-carbamoyl, (30) C1-6 alkylsulfonyl, (31) C6-14 arylsulfonyl, (32) C1-6 alkylsulfinyl, (33) C6-14 arylsulfinyl, (34) formylamino, (35) C1-6 alkyl-carbonylamino, (36) C6-14 aryl-carbonylamino (, (37) C1-6 alkoxy-carbonylamino, (38) C1-6 alkylsulfonylamino, (39) C6-14 arylsulfonylamino, (40) C1-6 alkyl-carbonyloxy, (41) C6-14 aryl-carbonyloxy, (42) C1-6 alkoxy-carbonyloxy, (43) mono-C1-6 alkyl-carbamoyloxy, (44) di-C1-6 alkyl-carbamoyloxy, (45) C6-14 aryl-carbamoyloxy, (46) a 5- to 7-membered saturated cyclic amino optionally containing, besides one nitrogen atom and carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (47) a 5- to 10-membered aromatic heterocyclic group containing, besides carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (48) C1-3 alkylenedioxy, and (49) C3-7 cycloalkyl;
wherein each of C3-7 cycloalkyl, C6-14 aryl, and C7-16 aralkyl, for R11, R12 and R13, and phenyl for R10 may independently optionally be substituted by 1 to 5 substituents selected from (1) a halogen atom, (2) nitro, (3) cyano, (4) hydroxy, (5) C1-6 alkoxy optionally having 1 to 3 halogen atoms, (6) C6-14 aryloxy, (7) C7-16 aralkyloxy, (8) mercapto, (9) C1-6 alkylthio optionally having 1 to 3 halogen atoms, (10) C6-14 arylthio, (11) C7-16 aralkylthio, (12) amino, (13) mono-C1-6 alkylamino, (14) mono-C6-14 arylamino, (15) mono-C7-16 aralkylamino, (16) di-C1-6 alkylamino, (17) di-C6-14 arylamino, (18) di-C7-16 aralkylamino, (19) formyl, (20) C1-6 alkyl-carbonyl, (21) C6-14 aryl-carbonyl, (22) carboxyl, (23) C1-6 alkoxy-carbonyl, (24) C6-14 aryloxy-carbonyl, (25) carbamoyl, (26) thiocarbamoyl, (27) mono-C1-6 alkyl-carbamoyl, (28) di-C1-6 alkyl-carbamoyl, (29) C6-14 aryl-carbamoyl, (30) C1-6 alkylsulfonyl optionally having 1 to 3 halogen atoms, (31) C6-14 arylsulfonyl, (32) C1-6 alkylsulfinyl, (33) C6-14 arylsulfinyl, (34) formylamino, (35) C1-6 alkyl-carbonylamino, (36) C6-14 aryl-carbonylamino, (37) C1-6 alkoxy-carbonylamino, (38) C1-6 alkylsulfonylamino, (39) C6-14 arylsulfonylamino, (40) C1-6 alkyl-carbonyloxy, (41) C6-14 aryl-carbonyloxy, (42) C1-6 alkoxy-carbonyloxy, (43) mono-C1-6 alkyl-carbamoyloxy, (44) di-C1-6 alkyl-carbamoyloxy, (45) C6-14 aryl-carbamoyloxy, (46) a 5- to 7-membered saturated cyclic amino optionally containing, besides one nitrogen atom and carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (47) a 5- to 10-membered aromatic heterocyclic group containing, besides carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (48) C1-3 alkylenedioxy, (49) C3-7 cycloalkyl, (50) C1-6 alkyl group optionally having 1 to 3 halogen atoms or hydroxy groups, (51) a C2-6 alkenyl group optionally having 1 to 3 halogen atoms, (52) a C2-6 alkynyl group, (53) mono-C3-7 cycloalkyl-carbamoyl, and (54) a 5 to 10-membered heterocyclyl-carbonyl containing, besides carbon atom, one or two kinds of 1 to 4 heteroatoms selected from a nitrogen atom, a sulfur atom and an oxygen atom;
wherein benzo[b]thienyl group, for R11, may optionally be substituted by 1 to 5 substituents selected from (1) a halogen atom, (2) nitro, (3) cyano, (4) hydroxy, (5) C1-6 alkoxy optionally having 1 to 3 halogen atoms, (6) C6-14 aryloxy, (7) C7-16 aralkyloxy, (8) mercapto, (9) C1-6 alkylthio optionally having 1 to 3 halogen atoms, (10) C6-14 arylthio, (11) C7-16 aralkylthio, (12) amino, (13) mono-C1-6 alkylamino, (14) mono-C6-14 arylamino, (15) mono-C7-16 aralkylamino, (16) di-C1-6 alkylamino, (17) di-C6-14 arylamino, (18) di-C7-16 aralkylamino, (19) formyl, (20) C1-6 alkyl-carbonyl, (21) C6-14 aryl-carbonyl, (22) carboxyl, (23) C1-6 alkoxy-carbonyl, (24) C6-14 aryloxy-carbonyl, (25) carbamoyl, (26) thiocarbamoyl, (27) mono-C1-6 alkyl-carbamoyl, (28) di-C1-6 alkyl-carbamoyl, (29) C6-14 aryl-carbamoyl, (30) C1-6 alkylsulfonyl optionally having 1 to 3 halogen atoms, (31) C6-14 arylsulfonyl, (32) C1-6 alkylsulfinyl, (33) C6-14 arylsulfinyl, (34) formylamino, (35) C1-6 alkyl-carbonylamino, (36) C6-14 aryl-carbonylamino, (37) C1-6 alkoxy-carbonylamino, (38) C1-6 alkylsulfonylamino, (39) C6-14 arylsulfonylamino, (40) C1-6 alkyl-carbonyloxy, (41) C6-14 aryl-carbonyloxy, (42) C1-6 alkoxy-carbonyloxy, (43) mono-C1-6 alkyl-carbamoyloxy, (44) di-C1-6 alkyl-carbamoyloxy, (45) C6-14 aryl-carbamoyloxy, (46) a 5- to 7-membered saturated cyclic amino optionally containing, besides one nitrogen atom and carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (47) a 5- to 10-membered aromatic heterocyclic group containing, besides carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (48) C1-3 alkylenedioxy, (49) C3-7 cycloalkyl, (50) C1-6 alkyl group optionally having 1 to 3 halogen atoms or hydroxy groups, (51) a C2-6 alkenyl group optionally having 1 to 3 halogen atoms, (52) a C2-6 alkynyl group, (53) mono-C3-7 cycloalkyl-carbamoyl, and (54) a 5 to 10-membered heterocyclyl-carbonyl containing, besides carbon atom, one or two kinds of 1 to 4 heteroatoms selected from a nitrogen atom, a sulfur atom and an oxygen atom; and
wherein each of thienyl group, furyl group, pyridyl group, pyrazolyl group, and pyrimidinyl group, for R11, may optionally be substituted by 1 to 3 substituents selected from (1) a halogen atom, (2) nitro, (3) cyano, (4) hydroxy, (5) C1-6 alkoxy optionally having 1 to 3 halogen atoms, (6) C6-14 aryloxy, (7) C7-16 aralkyloxy, (8) mercapto, (9) C1-6 alkylthio optionally having 1 to 3 halogen atoms, (10) C6-14 arylthio, (11) C7-16 aralkylthio, (12) amino, (13) mono-C1-6 alkylamino, (14) mono-C6-14 arylamino, (15) mono-C7-16 aralkylamino, (16) di-C1-6 alkylamino, (17) di-C6-14 arylamino, (18) di-C7-16 aralkylamino, (19) formyl, (20) C1-6 alkyl-carbonyl, (21) C6-14 aryl-carbonyl, (22) carboxyl, (23) C1-6 alkoxy-carbonyl, (24) C6-14 aryloxy-carbonyl, (25) carbamoyl, (26) thiocarbamoyl, (27) mono-C1-6 alkyl-carbamoyl, (28) di-C1-6 alkyl-carbamoyl, (29) C6-14 aryl-carbamoyl, (30) C1-6 alkylsulfonyl optionally having 1 to 3 halogen atoms, (31) C6-14 arylsulfonyl, (32) C1-6 alkylsulfinyl, (33) C6-14 arylsulfinyl, (34) formylamino, (35) C1-6 alkyl-carbonylamino, (36) C6-14 aryl-carbonylamino, (37) C1-6 alkoxy-carbonylamino, (38) C1-6 alkylsulfonylamino, (39) C6-14 arylsulfonylamino, (40) C1-6 alkyl-carbonyloxy, (41) C6-14 aryl-carbonyloxy, (42) C1-6 alkoxy-carbonyloxy, (43) mono-C1-6 alkyl-carbamoyloxy, (44) di-C1-6 alkyl-carbamoyloxy, (45) C6-14 aryl-carbamoyloxy, (46) a 5- to 7-membered saturated cyclic amino optionally containing, besides one nitrogen atom and carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (47) a 5- to 10-membered aromatic heterocyclic group containing, besides carbon atom, 1 or 2 kinds of 1 to 4 hetero atoms selected from a nitrogen atom, a sulfur atom and an oxygen atom, (48) C1-3 alkylenedioxy, (49) C3-7 cycloalkyl, (50) C1-6 alkyl group optionally having 1 to 3 halogen atoms or hydroxy groups, (51) a C2-6 alkenyl group optionally having 1 to 3 halogen atoms, (52) a C2-6 alkynyl group, (53) mono-C3-7 cycloalkyl-carbamoyl, and (54) a 5 to 10-membered heterocyclyl-carbonyl containing, besides carbon atom, one or two kinds of 1 to 4 heteroatoms selected from a nitrogen atom, a sulfur atom and an oxygen atom; or a salt thereof.

### Claim 2 (depends on 1)

A pharmaceutical composition comprising the compound of claim 1 and a pharmacologically acceptable carrier.

### Claim 3 (depends on 1)

A method for the treatment of peptic ulcer, Zollinger-Ellison syndrome, gastritis, reflux esophagitis, Symptomatic Gastroesophageal Reflux Disease, ulcer caused by a non-steroidal anti-inflammatory agent or gastric hyperacidity and ulcer due to postoperative stress in a mammal, which comprises administering an effective amount of the compound of claim 1 to the mammal.