Dioxa-bicyclo[3.2.1]octane-2,3,4-triol derivatives

1. A compound of Formula (A) or Formula (B)

wherein

R 1 is H, (C 1 -C 4 )alkyl, (C 1 -C 4 )alkoxy, Cl, F, cyano, fluoro-substituted (C 1 -C 2 )alkyl, (C 1 -C 4 )alkyl-SO 2 —, or (C 3 -C 6 )cycloalkyl; and

R 2 is (C 1 -C 4 )alkyl, (C 1 -C 4 )alkoxy, (C 2 -C 4 )alkynyl, 3-oxetanyloxy, 3-tetrahydrofuranyloxy, Cl, F, cyano, fluoro-substituted (C 1 -C 2 )alkyl, (C 1 -C 4 )alkyl-SO 2 —, (C 3 -C 6 )cycloalkyl, or a (C 5 -C 6 )heterocycle having 1 or 2 heteroatoms each independently selected from N, O, or S.

2. The compound of claim 1 wherein said compound is a compound of Formula (A).

3. The compound of claims 1 or 2 wherein

R 1 is H, methyl, ethyl, propyl, isopropyl, methoxy, ethoxy, F, Cl, cyano, —CF 3 , cyclopropyl, or cyclobutyl; and

R 2 is methyl, ethyl, propyl, isopropyl, methoxy, ethoxy, F, Cl, cyano, —CF 3 , —CF 2 CH 3 , ethynyl, 3-oxetanyloxy, 3-tetrahydrofuranyloxy, or cyclopropyl.

4. The compound of claim 3 wherein

R 1 is H, methyl, ethyl, isopropyl, methoxy, ethoxy, F, Cl, cyano, —CF 3 , or cyclopropyl; and

R 2 is methyl, ethyl, isopropyl, methoxy, ethoxy, F, Cl, cyano, —CF 3 , —CF 2 CH 3 , ethynyl, 3-oxetanyloxy, 3-tetrahydrofuranyloxy, or cyclopropyl.

5. The compound of claim 4 wherein

R 1 is H, methyl, ethyl, methoxy, ethoxy, F, Cl, cyano, —CF 3 , or cyclopropyl; and

R 2 is methyl, ethyl, methoxy, ethoxy, F, Cl, cyano, —CF 3 , —CF 2 CH 3 , ethynyl, 3-oxetanyloxy, 3-tetrahydrofuranyloxy, or cyclopropyl.

6. The compound of claim 5 wherein

R 1 is methyl, ethyl, F, Cl, cyano, CF 3 , or cyclopropyl; and

R 2 is methoxy, or ethoxy.

7. A compound selected from the group consisting of:

(1S,2S,3S,4R,5S)-1-hydroxymethyl-5-[3-(4-methoxy-benzyl)-4-methyl-phenyl]-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-[3-(4-ethoxy-benzyl)-4-methyl-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-[4-chloro-3-(4-methoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-[4-chloro-3-(4-ethoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-[4-fluoro-3-(4-methoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

2-(4-methoxybenzyl)-4-((1S,2S,3S,4R,5S)-2,3,4-trihydroxy-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3,2,1]oct-5-yl)benzonitrile;

2-(4-ethoxybenzyl)-4-((1S,2S,3S,4R,5S)-2,3,4-trihydroxy-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3,2,1]oct-5-yl)benzonitrile;

(1S,2S,3S,4R,5S)-5-[3-(4-ethoxy-benzyl)-4-fluoro-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-{4-fluoro-3-[4-(tetrahydro-furan-3-yloxy)-benzyl]-phenyl}-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-[3-(4-chlorobenzyl)-4-fluorophenyl]-1-hydroxymethyl-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4R,5S)-5-{4-fluoro-3-[4-(oxetan-3-yloxy)-benzyl]-phenyl}-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol; and

(1S,2S,3S,4R,5S)-5-{4-chloro-3-[4-(oxetan-3-yloxy)-benzyl]-phenyl}-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol.

8. A compound which is (1S,2S,3S,4R,5S)-5-[4-chloro-3-(4-ethoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol.

9. A compound selected from the group consisting of:

(1S,2S,3S,4S,5S)-1-hydroxymethyl-5-[3-(4-methoxy-benzyl)-4-methyl-phenyl]-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4S,5S)-5-[3-(4-ethoxy-benzyl)-4-methyl-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4S,5S)-5-[4-chloro-3-(4-methoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4S,5S)-5-[4-chloro-3-(4-ethoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4S,5S)-5-[4-fluoro-3-(4-methoxy-benzyl)-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol;

(1S,2S,3S,4S,5S)-5-[3-(4-ethoxy-benzyl)-4-fluoro-phenyl]-1-hydroxymethyl-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol; and

(1S,2S,3S,4S,5S)-5-[3-(4-chlorobenzyl)-4-fluorophenyl]-1-hydroxymethyl-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol.

10. A crystal comprising a compound having the formula (4A):

11. The crystal of claim 10 further comprising L-proline or L-pyroglutamic acid.

12. The crystal of claim 10 further comprising L-pyroglutamic acid and having one or more of the following:

a) space group of P2(1)2(1)2(1) and unit cell parameters substantially equal to the following:

a=7.4907(10) Å α=90°

b=12.8626(15) Å β=90°

c=28.029(4) Å γ90°;

b) a powder x-ray diffraction pattern comprising 2-theta values of (CuKα radiation, wavelength of 1.54056 Å) 6.4±0.2, 16.7±0.2, 17.4±0.2 and 21.1±0.2; or

c) a solid state 13 C NMR spectrum comprising peak positions at 16.5±0.2, 131.1±0.2, 158.7±0.2, and 181.5±0.2 ppm as determined on a 500 MHz spectrometer relative to crystalline adamantine of 29.5 ppm.

13. The crystal of claim 10 further comprising L-pyroglutamic acid wherein the crystal is a co-crystal comprising the compound of formula (4A) and L-pyroglutamic acid in a 1:1 stoichiometric ratio.

14. The crystal of claim 10 further comprising L-pyroglutamic acid and having

a) a powder x-ray diffraction pattern comprising a 2-theta value of (CuKα radiation, wavelength of 1.54056 Å) 6.4±0.2; and

b) a solid state 13 C NMR spectrum comprising peak positions at 16.5±0.2, 158.7±0.2, and 181.5±0.2 ppm as determined on a 500 MHz spectrometer relative to crystalline adamantine of 29.5 ppm.

15. The crystal of claim 10 further comprising L-proline and having one or more of the following:

a) space group of C2 and unit cell parameters substantially equal to the following:

a=32.8399(16) Å α=90°

b=7.2457(4) Å β=101.268(5)°

c=11.8023(6) Å γ=90°; or

b) a powder x-ray diffraction pattern comprising 2-theta values of (CuKα radiation, wavelength of 1.54056 Å) 7.6±0.2, 12.1±0.2, 20.3±0.2 and 28.8±0.2.

16. A pharmaceutical composition comprising (i) a compound of any of claims 1 through 9 or a crystal of any of claims 10 - 15 ; and (ii) a pharmaceutically acceptable excipient, diluent, or carrier.

17. A method for treating obesity and obesity-related disorders in animals comprising the step of administering to an animal in need of such treatment a therapeutically effective amount of a compound of any one of claims 1 through 9 or a therapeutically effective amount of a crystal of any one of claims 10 through 15 .

18. A method for treating or delaying the progression or onset of Type 2 diabetes and diabetes-related disorders in animals comprising the step of administering to an animal in need of such treatment a therapeutically effective amount of a compound of any one of claims 1 through 9 or a therapeutically effective amount of a crystal of any one of claims 10 through 15 .

19. A method for treating obesity and obesity-related disorders in animals comprising the step of administering to an animal in need of such treatment a pharmaceutical composition of claim 16 .

20. A method for treating or delaying the progression or onset of Type 2 diabetes and diabetes-related disorders in animals comprising the step of administering to an animal in need of such treatment a pharmaceutical composition of claim 16 .