Aminoheterocyclic derivatives as antithrombotic or anticoagulant agents
AssigneeZeneca Limited
InventorsAndrew Stocker, John Preston, Michael James Smithers
Life of this patent
Estimating the term…
Abstract
Compounds of formula (I), wherein G1 is CH or N; G2 is CH or N; R1 is a variety of optional substituents; L1 is (1-4C)alkylene; T1 is CH or N; R2 and R3 are independently hydrogen or (1-4C)alkyl or are joined to form a ring; X1 and X2 represent various linking groups; Ar is phenylene or certain heteroaryl rings and Q represents a variety of aromatic or heterocyclic rings systems, and pharmaceutically acceptable salts thereof are described as useful antithrombotic and anticoagulant agents, and are selective Factor Xa inhibitors. Processes for their preparation and pharmaceutical compositions containing them are also described.
Claims14
An aminoheterocyclic compound of the formula I
- wherein
- G1 is CH;
- G2 is CH;
- m is 1 or 2;
- R1 is hydrogen, halogeno, trifluoromethyl, trifluoromethoxy, cyano, amino, hydroxy, nitro, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino or di-(1-4C)alkylamino;
- L1 is (1-4C)alkylene or (3-6C)cycloalkane-1,2-diyl,
- T1 is CH or N, and
- R2 and R3 together form a (1-4C)alkylene or methylenecarbonyl group,
- and wherein 1 or 2 methylene groups within L1 or the ring formed when R2 and R3 are linked optionally bear 1 or 2 substituents selected from carboxy, carbamoyl, (1-4C)alkyl, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, hydroxy-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, carboxy-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, carbamoyl-(1-4C)alkyl, N-(1-4C)alkylcarbamoyl-(1-4C)alkyl and N,N-di-(1-4C)alkylcarbamoyl-(1-4C)alkyl,
- provided that, when T1 is N, L1 is not optionally substituted methylene and R2 and R3 together do not form an optionally substituted methylene group;
- X1 is a group of the formula SO, SO2, C(R4)2, CO, C(R4)2O, C(R4)2S, C(R4)2SO, C(R4)2SO2, COC(R4)2, SOC(R4)2 or SO2C(R4)2 when T1 is CH or N, or, in addition, X1 is a group of the formula O, S, OC(R4)2 or SC(R4)2 when T1 is CH, and wherein each R4 is independently hydrogen or (1-4C)alkyl;
- Ar is a 1,3-phenylene or 1,4-phenylene, wherein said phenylene ring is optionally substituted with 1 or 2 substituents selected
- from halogeno, trifluoromethyl, trifluoromethoxy, cyano, nitro, (1-4C)alkyl, (2-4C)alkenyl and (2-4C)alkynyl,
- from the substituent Y1 which is selected from hydroxy, amino, (1-4C)alkoxy, (2-4C)alkenyloxy, (2-4C)alkynyloxy, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (2-4C)alkanoylamino, benzamido, (1-4C)alkanesulphonamido and benzenesulphonamido,
- from the substituent Y2 which is selected from carboxy, carbamoyl, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, (1-4C)alkanesulphonamidocarbonyl, benzenesulphonamidocarbonyl and benzylsulphonamidocarbonyl,
- from a substituent of the formula —L2—Y1 wherein L2 is (1-4C)alkylene and Y1 has any of the meanings defined immediately hereinbefore,
- from a substituent of the formula —L2—Y2 wherein L2 is (1-4C)alkylene and Y2 has any of the meanings defined immediately hereinbefore,
- from a substituent of the formula —X3—L2—Y2 wherein X3 is a group of the formula CON(R5), CON(L2—Y2), C(R5)2O, O, N(R5) or N(L2—Y2), L2 is (1-4C)alkylene, Y2 has any of the meanings defined immediately hereinbefore and each R5 is independently hydrogen or (1-4C)alkyl, and
- from a substituent of the formula —X3—L3—Y1 wherein X3 is a group of the formula CON(R5), CON(L3—Y1), C(R5)2O, O, N(R5) or N(L3—Y1), L3 is (2-4C)alkylene, Y1 has any of the meanings defined immediately hereinbefore and each R5 is independently hydrogen or (1-4C)alkyl,
- and wherein any phenyl group in said substituent optionally bears 1 or 2 substituents selected from halogeno, trifluoromethyl, cyano, (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, (1-4C)alkoxy, (2-4C)alkenyloxy and (2-4C)alkynyloxy;
- X2 is a group of the formula S, SO, SO2, C(R6)2, CO, N(R7)SO2, N(R7)CO, C(R6)2S, C(R6)2SO, C(R6)2SO2, C(R6)2—C(R6)2 or C(R6)2CO, or, in addition, X2 is a group of the formula O, SO2N(R7), CON(R7) or C(R6)2O when Q is other than phenyl-(2-4C)alkenyl or phenyl-(2-4C)alkynyl and wherein each R6 is independently hydrogen or (1-4C)alkyl and R7 is hydrogen, (1-4C)alkyl or a group of the formula —X4—Q wherein X4 is SO2 or CO and Q has any of the meanings defined immediately hereinafter;
- and
- Q is phenyl, naphthyl, phenyl-(1-4C)alkyl, phenyl-(2-4C)alkenyl or phenyl-(2-4C)alkynyl, and Q optionally bears 1, 2 or 3 substituents selected from halogeno, trifluoromethyl, trifluoromethoxy, cyano, hydroxy, amino, nitro, trifluoromethanesulphonyl, carboxy, carbamoyl, (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, (1-4C)alkoxy, (2-4C)alkenyloxy, (2-4C)alkynyloxy, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, (2-4C)alkanoyl, (2-4C)alkanoylamino, hydroxy-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, carboxy-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, carbamoyl-(1-4C)alkyl, N-(1-4C)alkylcarbamoyl-(1-4C)alkyl, N,N-di-(1-4C)alkylcarbamoyl-(1-4C)alkyl, phenyl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl, benzyl and benzoyl, and wherein said phenyl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl, benzyl or benzoyl substituent optionally bears 1, 2 or 3 substituents selected from halogeno, trifluoromethyl, cyano, hydroxy, amino, nitro, carboxy, carbamoyl, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl and (2-4C)alkanoylamino;
- or a pharmaceutically-acceptable salt thereof;
- provided that when X1 is CO and Ar is phenylene which optionally bears 1 or 2 substituents selected from halogeno, trifluoromethyl, (1-4C)alkyl and (1-4C)alkoxy then X2 is not N(R7)SO2, N(R7)CO, C(R6)2S, C(R6)2SO, C(R6)2SO2, C(R6)2—C(R6)2, C(R6)2CO or C(R6)2O.
An aminoheterocyclic compound of the formula I
- wherein
- each of G1 and G2 is CH;
- m is 1;
- and
- R1 is hydrogen;
- L1 is ethylene,
- T1 is CH or N, and
- R2 and R3 together form an ethylene group;
- when T1 is CH or N, X1 is a group of the formula CH2, CO, CH2O or SO2, or, when T1 is CH, X1 is, in addition, a group of the formula O;
- Ar is 1,3-phenylene or 1,4-phenylene which is optionally substituted with 1 or 2 substituents selected from fluoro, chloro, bromo, trifluoromethyl, cyano, methyl, hydroxy, amino, methoxy, methylamino, dimethylamino, methylthio, methylsulphinyl, methylsulphonyl, acetamido, carboxy, carbamoyl, methoxycarbonyl, ethoxycarbonyl, N-methylcarbamoyl, N,N-dimethylcarbamoyl and 2-(ethylthio)ethylaminocarbonyl;
- X2 is a group of the formula S, SO2, CONH, NHSO2 or N(R7)SO2 wherein R7 is methyl or a group of the formula —SO2Q wherein Q has any of the meanings defined immediately hereinafter;
- and
- Q is phenyl, styryl, 4-biphenylyl or 2-naphthyl which optionally bears 1 or 2 substituents selected from fluoro, chloro, bromo, trifluoromethyl, 4-chlorophenoxy, methyl and methoxy;
- or a pharmaceutically-acceptable salt thereof;
- provided that when X1 is CO and Ar is 1,3- or 1,4-phenylene which optionally bears 1 or 2 substituents selected from fluoro, chloro, bromo, trifluoromethyl, methyl and methoxy then X2 is not NHSO2 or N(R7)SO2 wherein R7 is methyl or a group of the formula —SO2—Q wherein Q has any of the meanings defined immediately hereinbefore.
A method of producing an antithrombotic or anticoagulant effect in a warm-blooded animal in need thereof, which comprises administering to said animal an effective amount of an aminoheterocyclic compound of formula I:
- wherein
- G1 is CH;
- G2 is CH;
- m is 1 or 2;
- R1 is hydrogen, halogeno, trifluoromethyl, trifluoromethoxy, cyano, amino, hydroxy, nitro, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino or di-(1-4C)alkylamino;
- L1 is (1-4C)alkylene, (3-6C)cycloalkane-1,2-diyl or (1-3C)alkylene-carbonyl,
- T1 is CH or N, and
- R2 and R3 together form a (1-4C)alkylene or methylenecarbonyl group,
- and wherein 1 or 2 methylene groups within L1 or the ring formed when R2 and R3 are linked optionally bear 1 or 2 substituents selected from carboxy, carbamoyl, (1-4C)alkyl, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, hydroxy-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, carboxy-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, carbamoyl-(1-4C)alkyl, N-(1-4C)alkylcarbamoyl-(1-4C)alkyl and N,N-di-(1-4C)akylcarbamoyl-(1-4C)alkyl,
- provided that, when T1 is N, L1 is not optionally substituted methylene and R2 and R3 together do not form an optionally substituted methylene group;
- X1 is a group of the formula SO, SO2, C(R4)2, CO, C(R4)2O, C(R4)2S, C(R4)2SO, C(R4)2SO2, COC(R4)2, SOC(R4)2 or SO2C(R4)2 when T1 is CH or N, or, in addition, X1 is a group of the formula O, S, OC(R4)2 or SC(R4)2 when T1 is CH, and wherein each R4 is independently hydrogen or (1-4C)alkyl;
- Ar is a 1,3-phenylene or 1,4-phenylene, wherein said phenylene ring is optionally substituted with 1 or 2 substituents selected
- from halogeno, trifluoromethyl, trifluoromethoxy, cyano, nitro, (1-4C)alkyl, (2-4C)alkenyl and (2-4C)alkynyl,
- from the substituent Y1 which is selected from hydroxy, amino, (1-4C)alkoxy, (2-4C)alkenyloxy, (2-4C)alkynyloxy, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (2-4C)alkanoylamino, benzamido, (1-4C)alkanesulphonamido and benzenesulphonamido,
- from the substituent Y2 which is selected from carboxy, carbamoyl, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, (1-4C)alkanesulphonamidocarbonyl, benzenesulphonamidocarbonyl and benzylsulphonamidocarbonyl,
- from a substituent of the formula —L2—Y1 wherein L2 is (1-4C)alkylene and Y1 has any of the meanings defined immediately hereinbefore,
- from a substituent of the formula —L2—Y2 wherein L2 is (1-4C)alkylene and Y2 has any of the meanings defined immediately hereinbefore,
- from a substituent of the formula —X3—L2—Y2 wherein X3 is a group of the formula CON(R5), CON(L2—Y2), C(R5)2O, O, N(R5) or N(L2—Y2), L2 is (1-4C)alkylene, Y2 has any of the meanings defined immediately hereinbefore and each R5 is independently hydrogen or (1-4C)alkyl, and
- from a substituent of the formula —X3—L3—Y1 wherein X3 is a group of the formula CON(R5), CON(L3—Y ), C(R5)2O, O, N(R5) or N(L3—Y1), L3 is (2-4C)alkylene, Y1 has any of the meanings defined immediately hereinbefore and each R5 is independently hydrogen or (1-4C)alkyl,
- and wherein any phenyl group in said substituent optionally bears 1 or 2 substituents selected from halogeno, trifluoromethyl, cyano, (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, (1-4C)alkoxy, (2-4C)alkenyloxy and (2-4C)alkynyloxy;
- X2 is a group of the formula S, SO, SO2, C(R6)2, CO, N(R7)SO2, N(R7)CO, C(R6)2S, C(R6)2SO, C(R6)2SO2, C(R6)2—C(R6)2 or C(R6)2CO, or, in addition, X2 is a group of the formula O, SO2N(R7), CON(R7) or C(R6)2O when Q is other than phenyl-(2-4C)alkenyl or phenyl-(2-4C)alkynyl and wherein each R6 is independently hydrogen or (1-4C)alkyl and R7 is hydrogen, (1-4C)alkyl or a group of the formula —X4—Q wherein X4 is SO2 or CO and Q has any of the meanings defined immediately hereinafter;
- and
- Q is phenyl, naphthyl, phenyl-(1-4C)alkyl, phenyl-(2-4C)alkenyl or phenyl-(2-4C)alkynyl, and Q optionally bears 1, 2 or 3 substituents selected from halogeno, trifluoromethyl, trifluoromethoxy, cyano, hydroxy, amino, nitro, trifluoromethanesulphonyl, carboxy, carbamoyl, (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, (1-4C)alkoxy, (2-4C)alkenyloxy, (2-4C)alkynyloxy, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, (2-4C)alkanoyl, (2-4C)alkanoylamino, hydroxy-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, carboxy-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, carbamoyl-(1-4C)alkyl, N-(1-4C)alkylcarbamoyl-(1-4C)alkyl, N,N-di-(1-4C)alkylcarbamoyl-(1-4C)alkyl, phenyl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl, benzyl and benzoyl, and wherein said phenyl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl, benzyl or benzoyl substituent optionally bears 1, 2 or 3 substituents selected from halogeno, trifluoromethyl, cyano, hydroxy, amino, nitro, carboxy, carbamoyl, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl and (2-4C)alkanoylamino;
- or a pharmaceutically-acceptable salt thereof;
- provided that when X1 is CO and Ar is phenylene which optionally bears 1 or 2 substituents selected from halogeno, trifluoromethyl, (1-4C)alkyl and (1-4C)alkoxy then X2 is not N(R7)SO2, N(R7)CO, C(R6)2S, C(R6)2SO, C(R6)2SO2, C(R6)2—C(R6)2, C(R6)2CO or C(R6)2O.
A compound which is:
- 1-[4-(6-chloronaphth-2-ylsulphonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl)benzyl]-4-(4-pyridyl)piperazine,
- 1-[4-(2-naphthylsulphonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-{4-[(E)-4-chlorostyrylsulphonyl]benzoyl}-4-(4-pyridyl)piperazine,
- 1-[4-(4′-bromo-4-biphenylylsulphonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(4′-chloro-4-biphenylylsulphonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(4-biphenylylsulphonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 5-(6-chloronaphth-2-ylsulphonyl)-2-[4-(4-pyridyl)piperazin-1-ylcarbonyl]benzoic acid,
- 5-(2-naphthylsulphonyl)-2-[4-(4-pyridyl)piperazin-1-ylcarbonyl]benzoic acid,
- 5-(4′-bromo-4-biphenylylsulphonyl)-2-[4-(4-pyridyl)piperazin-1-ylcarbonyl]benzoic acid,
- 5-[(E)-4-chlorostyrylsulphonyl]-2-[4-(4-pyridyl)piperazin-1-ylcarbonyl]benzoic acid,
- 4′-bromo-N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-4-biphenylylsulphonamide,
- 4-chloro-N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-(E)-styrylsulphonamide,
- 6-bromo-N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-2-naphthalenesulphonamide,
- N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-4-toluenesulphonamide,
- N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-N-(4-tolylsulphonyl)-4-toluenesulphonamide,
- 4-chloro-N-methyl-N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-(E)-styrylsulphonamide,
- 4′-bromo-N-methyl-N-{4-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-4-biphenylylsulphonamide,
- 4′-bromo-N-{4-[1-(4-pyridyl)piperidin-4-ylmethoxy]phenyl}-4-biphenylylsulphonamide,
- 6-bromo-N-{4-[1-(4-pyridyl)piperidin-4-ylmethoxy]-phenyl}-2-naphthalenesulphonamide,
- 4-chloro-N-{4-[1-(4-pyridyl)piperidin-4-ylmethoxy]phenyl}-(E)-styrylsulphonamide,
- 4′-bromo-N-(4′-bromo-4-biphenylylsulphonyl)-N-{4-[1-(4-pyridyl)piperidin-4-ylmethoxy]phenyl}-4-biphenylylsulphonamide,
- 6-bromo-N-(6-bromonaphth-2-ylsulphonyl)-N-{4-[1-(4-pyridyl)piperidin-4-ylmethoxy]phenyl}-2-naphthalenesulphonamide,
- 6-bromo-N-{3-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-2-naphthalenesulphonamide,
- 4-[4-chlorophenylsulphonyl)phenoxy]-1-(4-(pyridyl)piperidine,
- 5-(6-bromonaphth-2-ylsulphonyl)-2-[4-(4-pyridyl)piperazin-1-ylcarbonyl]benzoic acid,
- 4-(6-bromonaphth-2-ylsulphonyl)-2-[4-(4-pyridyl)piperazin-1-ylcarbonyl]benzoic acid,
- 1-[4-(4-(4-chlorophenoxy)phenylaminocarbonyl)benzyl]-4-(4-pyridyl)piperazine,
- 6-bromo-N-{2-[1-(4-pyridyl)piperidin-4-ylmethoxy]phenyl}-2-naphthalenesulphonamide,
- 4-chloro-N-{3-[1-(4-pyridyl)piperidin-4-yloxy]phenyl}-(E)-styrylsulphonamide,
- 4-[4-(6-bromonaphth-2-ylsulphonyl)phenoxy]-1-(4-pyridyl)piperidine,
- 4-[4-(6-bromonaphth-2-ylsulphonyl)benzoyl]-1-(4-pyridyl)piperidine,
- 4-[4-(6-bromonaphth-2-ylthio)benzoyl]-1-(4-pyridyl)piperidine,
- 4-[4-(6-bromonaphth-2-ylsulphonyl)phenylsulphonyl]-1-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylthio)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl-2-trifluoromethylbenzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylthio)-2-trifluoromethylbenzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylthio)-2-carboxybenzoyl]-4-(4-pyridyl)piperazine
- 1-[5-(6-bromonaphth-2-ylthio)-2-carboxybenzoyl]-4-(4-pyridyl)piperazine,
- 1-[5-(6-bromonaphth-2-ylsulphonyl)-2-methoxycarbonylbenzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl)-2-methoxycarbonylbenzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl)-2-(2-(ethylthio)-ethylaminocarbonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[5-(6-bromonaphth-2-ylsulphonyl)-2-(2-ethylthio)ethylaminocarbonyl)benzoyl]-4-(4-pyridyl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl)benzoyl]-4-(2-methylpyrid-4-yl)piperazine,
- 1-[4-(6-bromonaphth-2-ylsulphonyl)benzoyl]-4-(4-pyridyl)hexahydro-1,4-diazepine,
- or a pharmaceutically-acceptable salt thereof.
A method of treating coronary artery or cerebro-vascular disease in a warm-blooded animal in need thereof, which comprises administering to said animal an effective amount of an aminoheterocyclic compound of formula I:
- wherein
- G1 is CH;
- G2 is CH;
- m is 1 or 2;
- R1 is hydrogen, halogeno, trifluoromethyl, trifluoromethoxy, cyano, amino, hydroxy, nitro, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino or di-(1-4C)alkylamino;
- L1 is (1-4C)alkylene, (3-6C)cycloalkane-1,2-diyl or (1-3C)alkylene-carbonyl,
- T1 is CH or N, and
- R2 and R3 together form a (1-4C)alkylene or methylenecarbonyl group, and wherein 1 or 2 methylene groups within L1 or the ring formed when R2 and R3 are linked optionally bear 1 or 2 substituents selected from carboxy, carbamoyl, (1-4C)alkyl, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, hydroxy-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, carboxy-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, carbamoyl-(1-4C)alkyl, N-(1-4C)alkylcarbamoyl-(1-4C)alkyl and N,N-di-(1-4C)alkylcarbamoyl-(1-4C)alkyl,
- provided that, when T1 is N, L1 is not optionally substituted methylene and R2 and R3 together do not form an optionally substituted methylene group;
- X1 is a group of the formula SO, SO2, C(R4)2, CO, C(R4)2O, C(R4)2S, C(R4)2SO, C(R4)2SO2, COC(R4)2, SOC(R4)2 or SO2C(R4)2 when T1 is CH or N, or, in addition, X1 is a group of the formula O, S, OC(R4)2 or SC(R4)2 when T1 is CH, and wherein each R4 is independently hydrogen or (1-4C)alkyl;
- Ar is a 1,3-phenylene or 1,4-phenylene, wherein said phenylene ring is optionally substituted with 1 or 2 substituents selected
- from halogeno, trifluoromethyl, trifluoromethoxy, cyano, nitro, (1-4C)alkyl, (2-4C)alkenyl and (2-4C)alkynyl,
- from the substituent Y1 which is selected from hydroxy, amino, (1-4C)alkoxy, (2-4C)alkenyloxy, (2-4C)alkynyloxy, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (2-4C)alkanoylamino, benzamido, (1-4C)alkanesulphonamido and benzenesulphonamido,
- from the substituent Y2 which is selected from carboxy, carbamoyl, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, (1-4C)alkanesulphonamidocarbonyl, benzenesulphonamidocarbonyl and benzylsulphonamidocarbonyl,
- from a substituent of the formula —L2—Y1 wherein L2 is (1-4C)alkylene and Y1 has any of the meanings defined immediately hereinbefore,
- from a substituent of the formula —L2—Y2 wherein L2 is (1-4C)alkylene and Y2 has any of the meanings defined immediately hereinbefore,
- from a substituent of the formula —X3—L2—Y2 wherein X3 is a group of the formula CON(R5), CON(L2—Y2), C(R5)2O, O, N(R5) or N(L2—Y2), L2 is (1-4C)alkylene, Y2 has any of the meanings defined immediately hereinbefore and each R5 is independently hydrogen or (1-4C)alkyl, and
- from a substituent of the formula —X3—L3—Y1 wherein X3 is a group of the formula CON(R5), CON(L3—Y1), C(R5)2O, O, N(R5) or N(L3—Y1), L3 is (2-4C)alkylene, Y1 has any of the meanings defined immediately hereinbefore and each R5 is independently hydrogen or (1-4C)alkyl,
- and wherein any phenyl group in said substituent optionally bears 1 or 2 substituents selected from halogeno, trifluoromethyl, cyano, (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, (1-4C)alkoxy, (2-4C)alkenyloxy and (2-4C)alkynyloxy;
- X2 is a group of the formula S, SO, SO2, C(R6)2, CO, N(R7)SO2, N(R7)CO, C(R6)2S, C(R6)2SO, C(R6)2SO2, C(R6)2—C(R6)2 or C(R6)2CO, or, in addition, X2 is a group of the formula O, SO2N(R7), CON(R7) or C(R6)2O when Q is other than phenyl-(2-4C)alkenyl or phenyl-(2-4C)alkynyl and wherein each R6 is independently hydrogen or (1-4C)alkyl and R7 is hydrogen, (1-4C)alkyl or a group of the formula —X4—Q wherein X4 is SO2 or CO and Q has any of the meanings defined immediately hereinafter;
- and
- Q is phenyl, naphthyl, phenyl-(1-4C)alkyl, phenyl-(2-4C)alkenyl or phenyl-(2-4C)alkynyl, and Q optionally bears 1, 2 or 3 substituents selected from halogeno, trifluoromethyl, trifluoromethoxy, cyano, hydroxy, amino, nitro, trifluoromethanesulphonyl, carboxy, carbamoyl, (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, (1-4C)alkoxy, (2-4C)alkenyloxy, (2-4C)alkynyloxy, (1-4C)alkylthio, (1-4C)alkylsulphinyl, (1-4C)alkylsulphonyl, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, (2-4C)alkanoyl, (2-4C)alkanoylamino, hydroxy-(1-4C)alkyl, (1-4C)alkoxy-(1-4C)alkyl, carboxy-(1-4C)alkyl, (1-4C)alkoxycarbonyl-(1-4C)alkyl, carbamoyl-(1-4C)alkyl, N-(1-4C)alkylcarbamoyl-(1-4C)alkyl, N,N-di-(1-4C)alkylcarbamoyl-(1-4C)alkyl, phenyl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl, benzyl and benzoyl, and wherein said phenyl, heteroaryl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl, benzyl or benzoyl substituent optionally bears 1, 2 or 3 substituents selected from halogeno, trifluoromethyl, cyano, hydroxy, amino, nitro, carboxy, carbamoyl, (1-4C)alkyl, (1-4C)alkoxy, (1-4C)alkylamino, di-(1-4C)alkylamino, (1-4C)alkoxycarbonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl and (2-4C)alkanoylamino;
- or a pharmaceutically-acceptable salt thereof;
- provided that when X1 is CO and Ar is phenylene which optionally bears 1 or 2 substituents selected from halogeno, trifluoromethyl, (1-4C)alkyl and (1-4C)alkoxy then X2 is not N(R7)SO2, N(R7)CO, C(R6)2S, C(R6)2SO, C(R6)2SO2, C(R6)2—C(R6)2CO or C(R6)2O.
Dependencies are inferred from the claim text.