Claims for Patent: 6,414,126

Summary for Patent: 6,414,126

Title:	C-aryl glucoside SGLT2 inhibitors and method
Abstract:	SGLT2 inhibiting compounds are provided having the formula where R1, R2, and R2a are independently hydrogen, OH, OR5, lower alkyl, CF3, OCHF2, OCF3, SR5i or halogen, or two of R1, R2 and R2a together with the carbons to which they are attached can form an annelated five, six or seven membered carbocycle or heterocycle; R3 and R4 are independently hydrogen, OH, OR5a, OAryl, OCH2Aryl, lower alkyl, cycloalkyl, CF3, —OCHF2, —OCF3, halogen, —CN, —CO2R5b, —CO2H, —COR6b, —CH(OH)R6c, —CH(OR5h)R6d, —CONR6R6a, —NHCOR5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g, —SO2Aryl, or a five, six or seven membered heterocycle, or R3 and R4 together with the carbons to which they are attached form an annelated five, six or seven membered carbocycle or heterocycle; R5, R5a, R5b, R5c, R5d, R5e, R5f, R5g, R5h and R5i are independently lower alkyl; R6, R6a, R6b, R6c and R6d are independently hydrogen, alkyl,aryl, alkylaryl or cycloalkyl, or R6 and R6a together with the nitrogen to which they are attached form an annelated five, six or seven membered heterocycle; A is O, S, NH, or (CH2)n where n is 0-3. A method is also provided for treating diabetes and related diseases employing an SGLT2 inhibiting amount of the above compound alone or in combination with another antidiabetic agent or other therapeutic agent.
Inventor(s):	Bruce Ellsworth, William N. Washburn, Philip M. Sher, Gang Wu, Wei Meng
Assignee:	AstraZeneca AB
Application Number:	US09/679,027
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,414,126
Patent Claims:	1. A compound having the structure wherein R1, R2 and R2a are independently hydrogen, OH, OR5, alkyl, CF3, OCHF2, OCF3, SR5i or halogen, or two of R1, R2 and R2a together with the carbons to which they are attached can form an annelated five, six or seven membered carbocycle or heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; R3 and R4 are independently hydrogen, OH, OR5a, OAryl, OCH2Aryl, alkyl, cycloalkyl, CF3, —OCHF2, —OCF3, halogen, —CN, —CO2R5b, —CO2H, COR6b, —CH(OH)R6c, —CH (OR5h)R6d, —CONR6R6a, —NHCOR5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g, —SO2Aryl, or a five, six or seven membered heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2, or R3 and R4 together with the carbons to which they are attached form an annelated five, six or seven membered carbocycle or heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; R5, R5a, R5b, R5c, R5d, R5e, R5f, R5g, R5h and R5i are independently alkyl; R6, R6a, R6b, R6c, and R6d are independently hydrogen, alkyl, aryl, alkylaryl or cycloalkyl, or R6 and R6a together with the nitrogen to which they are attached form an annelated five, six or seven membered heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; A is O, S, NH, or (CH2)n, where n is 0-3, or a pharmaceutically acceptable salt, stereoisomer, or prodrug ester thereof; with the proviso that where A is (CH2)n where n is 0,1,2, or 3 or A is O, and at least one of R1, R2, and R2a is OH or OR5, then at least one of R1, R2, and R2a is CF3, OCF3, or OCHF2 and/or at least one of R3 and R4 is CF3, —OCHF2, —OCF3, —CN, —CO2R5b, CH(OR5h)R6d, CH(OH)R6c, COR6b, —NHCOR5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g or —SO2Aryl. 2. The compound as defined in claim 1 with the proviso that where A is (CH2)n where n is 0,1,2, or 3 or A is O, and at least one of R1, R2, R2a, R3 and R4 is OH or OR5, then at least one of R1, R2, and R2a is CF3, OCF3, or OCHF2 and/or at least one of R3 and R4 is CF3, —OCHF2, —OCF3, —CN, —CO2R5b, CH(OR5h)R6d, —NHCOR5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g, —SO2Aryl or halogen. 3. The compound as defined in claim 1 having the structure 4. The compound as defined in claim 1 wherein A is (CH2)n. 5. The compound as defined in claim 3 wherein A is CH2 or O or S. 6. The compound as defined in claim 1 wherein A is CH2 or O or S; R1, R2 and R2a are independently selected from H, lower alkyl, halogen, OR5, or OCHF2, or two of R1, R2 and R2a are H and the other is lower alkyl, halogen, OR5, or OCHF2; R3 and R4 are independently selected from lower alkyl, OR5a, —OCHF2, —SR5e, OH, CO2R5b, -3,4-(O—CH2—O)—, —COR6b, —CH(OH)R6c, —CH(OR5h)R6d, CF3, —SOR5f, —SO2R5g, Aryl, —NHSO2Aryl, —NHSO2R5d, CO2H, thiadizole, tetrazole, OCH2Aryl, —OCF3, OAryl, or H. 7. The compound as defined in claim 6 wherein A is CH2; R1 is hydrogen, halogen or lower alkyl; R2 and R2a are each H; R3 is H; R4 is lower alkyl, —COR6b, —CH(OH)R6c, —CH(OR5h)R6d, R5aO, —OCHF2, —OCF3 or —SR5e. 8. The compound as defined in claim 7 where A is CH2; R1 is hydrogen, halogen or lower alkyl; and R4 is lower alkyl, R5aO, —OCHF2, or —SR5e. 9. The compound as defined in claim 7 wherein R4 is 4-C2H5. 10. The compound as defined in claim 3 having the structure 11. The compound as defined in claim 1 having the structure set out as follows: where A is CH2 and meta to the glucoside, R1, R2 and R2a are each H, and R3 is as follows: 4-Me, 4-OH, 3-Me, H, 3-OMe, 4-CO2Me, 3,4-(OCH2O), 4-CF3, 4-NHAc, 4-SO2Me, 4-Ph, 4-NHSO2Ph-4′-Me, 4-NHSO2Me, 4-CO2H, 4-Thiadiazole, 4-Tetrazole, 4-OCH2Ph-4′-CN, 4-OCHF2, 4-isopropyl, 2-isopropyl, 4-O-n-propyl, 4-Tetrazole-2′-Me, 4-Tetrazole-1′-Me, 4-OPh, 4-n-propyl, 4-n-butyl, 4-SO2Et, 4-SO2-n-propyl, 4-SO2Ph or 4-SOMe. 12. The compound as defined in claim 1 having the structure: where A: R3: Bond H Bond 3-Me Bond 4-MeO (CH2)2 H (CH2)2 4-Me (CH2)3 H (CH2)3 4-Me (CH2)3 3-Me Bond (para link) H CH2 (ortho link) H CH2 (ortho link) 4-Et O 4-Me S 4-Me. 13. The compound as defined in claim 1 having the structure: where A: R1: R2: R3: CH2 2-Me H 4-Et CH2 4-Me H 4-Et CH2 4-Me H 4-SO2Me CH2 4-Me H 4-OH CH2 4-Me H 4-S(O)Me CH2 4-Me H 4-F CH2 4-Me H 4-Cl CH2 4-Me H 4-Me CH2 4-Me H H CH2 4-Me 6-Me 4-OMe CH2 4-F H 4-OMe CH2 4-Cl H 4-SOMe CH2 4-Cl H 4-SO2Me CH2 4-Cl H 4-OCRF2 CH2 4-Et H 4-OMe CH2 4-iPr H 4-OMe CH2 4-iPr H 4-SMe CH2 4-iPr H 4-SO2Me CH2 4,5-OCH2O H 4-Et CH2 5-Me H 4-Et CH2 5-Me 6-Me 4-OMe CH2 6-Me H 4-Et. 14. The compound as defined in claim 1 having the structure 15. A pharmaceutical composition comprising a compound as defined in claim 1 and a pharmaceutically acceptable carrier therefor. 16. A pharmaceutical combination comprising an SGLT2 inhibitor compound as defined in claim 1 and an antidiabetic agent other than an SGLT2 inhibitor, an agent for treating the complications of diabetes, an anti-obesity agent, an antihypertensive agent, an antiplatelet agent, an antiatherosclerotic agent, and/or a lipid-lowering agent. 17. The pharmaceutical combination as defined in claim 16 comprising said SGLT2 inhibitor compound and an antidiabetic agent. 18. The combination as defined in claim 17 wherein the antidiabetic agent is 1, 2, 3 or more of a biguanide, a sulfonyl urea, a glucosidase inhibitor, a PPAR γ agonist, a PPAR α/γ dual agonist, an aP2 inhibitor, a DP4 inhibitor, an insulin sensitizer, a glucagon-like peptide-1 (GLP-1), insulin, a meglitinide, a PTP1B inhibitor, a glycogen phosphorylase inhibitor, and/or a glucos-6-phosphatase inhibitor. 19. The combination as defined in claim 18 wherein the antidiabetic agent is 1, 2, 3 or more of metformin, glyburide, glimepiride, glipyride, glipizide, chlorpropamide, gliclazide, acarbose, miglitol, pioglitazone, troglitazone, rosiglitazone, insulin, Gl-262570, isaglitazone, JTT-501, NN-2344, L895645, YM-440, R-119702, AJ9677, repaglinide, nateglinide, KAD1129, AR-HO39242, GW-409544, KRP297, AC2993, LY315902, and/or NVP-DPP-728A. 20. The combination as defined in claim 17 wherein the SGLT2 inhibitor compound is present in a weight ratio to the antidiabetic agent within the range from about 0.01 to about 300:1. 21. The combination as defined in claim 16 wherein the anti-obesity agent is a beta 3 adrenergic agonist, a lipase inhibitor, a serotonin (and dopamine) reuptake inhibitor, a thyroid receptor beta compound, and/or an anorectic agent. 22. The combination as defined in claim 21 wherein the anti-obesity agent is orlistat, ATL-962, AJ9677, L750355, CP331648, sibutramine, topiramate, axokine, dexamphetamine, phentermine, phenylpropanolamine, and/or mazindol. 23. The combination as defined in claim 16 wherein the lipid lowering agent is an MTP inhibitor, an HMG CoA reductase inhibitor, a squalene synthetase inhibitor, a fibric acid derivative, an upregulator of LDL receptor activity, a lipoxygenase inhibitor, or an ACAT inhibitor. 24. The combination as defined in claim 23 wherein the lipid lowering agent is pravastatin, lovastatin, simvastatin, atorvastatin, cerivastatin, fluvastatin, nisvastatin, visastatin, atavastatin, rosuvastatin, fenofibrate, gemfibrozil, clofibrate, avasimibe, TS-962, MD-700, and/or LY295427. 25. The combination as defined in claim 23 wherein the SGLT2 inhibitor is present in a weight ratio to the lipid-lowering agent within the range from about 0.01 to about 300:1. 26. A method for treating or delaying the progression or onset of diabetes, diabetic retinopathy, diabetic neuropathy, diabetic nephropathy, delayed wound healing, insulin resistance, hyperglycemia, hyperinsulinemia, elevated blood levels of fatty acids or glycerol, hyperlipidemia, obesity, hypertriglyceridemia, Syndrome X, diabetic complications, atherosclerosis or hypertension, or for increasing high density lipoprotein levels, which comprises administering to a mammalian species in need of treatment a therapeutically effective amount of a compound as defined in claim 1. 27. The method as defined in claim 26 where the SGLT2 inhibitor compound has the structure 28. A method for treating type II diabetes which comprises administering to a mammalian species in need of treatment a therapeutically effective amount of a compound as defined in claim 1 alone or in combination with another antidiabetic agent, an agent for treating the complications of diabetes, an anti-obesity agent, an antihypertensive agent, an antiplatelet agent, an anti-atherosclerotic agent and/or a hypolipidemic agent. 29. A compound having the structure wherein R1 R2 and R2a are independently hydrogen, OH, OR5, lower alkyl, CF3, OCHF2, OCF3, SR5i or halogen, or two of R1, R2 and R2a together with the carbons to which they are attached can form an annelated five, six or seven membered carbocycle or heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; R3 and R4 are independently hydrogen, OH, OR5a, OAryl, OCH2Aryl, lower alkyl, cycloalkyl, CF3, —OCHF2, —OCF3, halogen, —CN, —CO2R5b, —CO2H, —CONR6R6a, —NHCOR5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g, —SO2Aryl, or a five, six or seven membered heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2, or R3 and R4 together with the carbons to which they are attached form an annelated five, six or seven membered carbocycle or heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; R5, R5a, R5b, R5c, R5d, R5e, R5f, R5g and R5i are independently lower alkyl; R6 and R6a are independently hydrogen, alkyl,aryl, alkylaryl, cycloalkyl, or R6 and R6a together with the nitrogen to which they are attached form an annelated five, six or seven membered heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; A is O, S, NH, or (CH2)n where n is 0-3, or a pharmaceutically acceptable salt thereof, all steroisomers thereof, and a prodrug ester thereof with the proviso that where A is (CH2)n where n is 0,1,2, or 3 or A is O, and at least one of R1, R2, R2a, R3 and R4 is OH or OR5, then at least one of R1, R2, and R2a is CF3, OCF3, or OCHF2 and/or at least one of R3 and R4 is CF3, —OCHF2, —OCF3, —CN, —CO2R5b, CH(OR5h)R6d, CH(OH)R6c, COR6b, —NHCO5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g, —SO2Aryl or halogen; or a compound of the structure wherein R1, R2 and R2a are independently hydrogen, OH, OR5, lower alkyl, CF3, OCHF2, OCF3, SR5i or halogen, or two of R1, R2 and R2a together with the carbons to which they are attached can form an annelated five, six or seven membered carbocycle or heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; R3 and R4 are independently hydrogen, OH, OR5a, OAryl, OCH2Aryl, lower alkyl, cycloalkyl, CF3, —OCHF2, —OCF3, halogen, —CN, —CO2R5b, —CO2H, —CONR6R6a, —NHCOR5c, —NHSO2R5d, —NHSO2Aryl, Aryl, —SR5e, —SOR5f, —SO2R5g, —SO2Aryl, or a five, six or seven membered heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2, or R3 and R4 together with the carbons to which they are attached form an annelated five, six or seven membered carbocycle or heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; R5, R5a, R5b, R5c, R5d, R5e, R5f, R5g and R5i are independently lower alkyl; R6 and R6a are independently hydrogen, alkyl,aryl, alkylaryl, cycloalkyl, or R6 and R6a together with the nitrogen to which they are attached form an annelated five, six or seven membered heterocycle which may contain 1 to 4 heteroatoms in the ring which are N, O, S, SO, and/or SO2; A is O, S, NH, or (CH2)n where n is 0-3, or a pharmaceutically acceptable salt thereof, all steroisomers thereof, and a prodrug ester thereof. 30. A compound having the structure