Derivatives of 6-(2,3-dichlorophenyl)-1,2,4-triazin-5-amine

1. A 6-(2,3-dichlorophenyl)-1,2,4-triazine-5 amine compound having a structure of Formula B,

wherein M is NR 6 R 7 ,

wherein R 6 and R 7 are each independently selected from the group consisting of H, (CH 2 CH 2 O) m R 8 , —CH 2 CH 2 -(3-7 membered heterocycloalkyl), —C(O)—CH 2 (CH 2 CH 2 O) m R 10 , —CH 2 CR 9 HCH 2 O(CH 2 CH 2 O) m (CH 2 ) 0,1 R 10 , —CR 11 R 12 CH 2 OH, —CR 11 R 12 CH 2 O(CH 2 CH 2 O) 1-7 R 10 , —CH—[CH 2 OH] 2 ; —CCH 3 (CH 2 OH) 2 , —CCH 3 (CH 2 OH)CH 2 O(CH 2 CH 2 O) 1-7 R 10 , alkylamino, hydroxyalkylamino, —CH 2 CH 2 NCH 3 C(O)CH 2 (OCH 2 CH 2 ) 1-7 R 10 , —CH 2 CH 2 NCH 3 C(O)CH 2 OCH 2 C(O)NH 2 , —CH 2 CH 2 NCH 3 (CH 2 CH 2 O) 1-7 R 10 , —CR 11 R 12 CH(O), —CR 11 R 12 (CH 2 ) 1 or 2 SO 2 − CH 2 CH 2 O) 1-7 R 10 , —CCH 3 (CH 2 OCH 2 CH 2 OCH 3 ) 2 , —OCH 2 CR 9 HCH 2 OR 10 , —CH 2 CR 9 HCH 2 NHC(O)CH 2 O(CH 2 CH 2 O) m R 10 , —CH 2 CR 9 HCH 2 NHC(O)CH 2 OCH 2 C(O)NH 2 , and —(OCH 2 CH 2 ) m OR 10 , with the proviso that R 6 and R 7 are not both H,

wherein when R 6 is H and W is 0, R 7 does not equal (CH 2 CH 2 O) 2-11 CH 3 ,

m is an integer selected from 0-29,

R 8 is selected from H, a C 1 -C 6 alkyl, fluoro-substituted methyl, —CH 2 COOR 10 , —CH 2 COCH 3 , —C(O)OCH 3 , C 1 -C 6 alkyl substituted with one or more of hydroxyl, amino, alkylamino, amido, alkylamide, amidoalkylamine, acylamino, carboxyalkylamino, sulfonamide, alkylsulfone, alkoxyalkyl sulfone, alkyloxyalklsulfoxide, a 3-7 membered heterocycloalkyl, a 5-6 membered heteroaryl, carboxyl, —NHCH 2 CH 2 OCH 3 , —NHCHR 9 COOR 11 ; and —CH—[CH 2 O—(CH 2 CH 2 O) 2-8 CH 3 ] 2 , wherein when R 6 is H and m is 0, R 8 does not equal H;

R 9 is selected from H, lower alkyl, and hydroxyl,

R 10 is selected from H, lower alkyl, and fluoro-substituted methyl,

R 11 and R 12 are each independently selected from H and lower alkyl,

R 13 is cyclopropyl or cyclobutyl, and

W is an optional substituent selected from the group consisting of halo, hydroxyl, and (—OCH 2 CH 2 ) n OR, where n is an integer selected from 1-7 and R is selected from H, lower alkyl and fluoro-substituted methyl,

or a pharmaceutically acceptable salt thereof.

2. The compound of claim 1 , wherein the dichlorophenyl ring possesses an additional substituent at any one of positions 4, 5 or 6, where the substituent is selected from halo, hydroxyl, and (—OCH 2 CH 2 ) n OR, where n is an integer from 1-7 and R is selected from H, lower alkyl, methyl, and fluoro-substituted methyl.

3. The compound of claim 1 , wherein R or R 10 is selected from methyl and —CF 3 .

4. The compound of claim 1 , wherein W is fluoro.

5. The compound of claim 4 , wherein W is a fluoro group positioned at the 5-position of the phenyl ring.

6. The compound of claim 1 , wherein R 6 is H.

7. The compound of claim 6 , wherein R 7 is selected from the group consisting of —(CH 2 CH 2 O) m R 8 , —CH 2 CH 2 -(3-7 membered heterocycloalkyl), —C(O)—CH 2 (CH 2 CH 2 O) m R 10 , —CH 2 CR 9 HCH 2 O(CH 2 CH 2 O) m (CH 2 ) 0,1 R 10 , —CR 11 R 12 CH 2 OH, —CR 11 R 12 CH 2 O(CH 2 CH 2 O) 1-7 R 10 , —CH—[CH 2 OH]2, —CCH 3 (CH 2 OH) 2 , —CCH 3 (CH 2 OH)CH 2 O(CH 2 CH 2 O) 1-7 R 10 , —CH 2 CH 2 NCH 3 C(O)CH 2 (OCH 2 CH 2 ) 1-7 R 10 , —CH 2 CH 2 NCH 3 C(O)CH 2 OCH 2 C(O)NH 2 , —CH 2 CH 2 NCH 3 (CH 2 CH 2 O) 1-7 R 10 , —CR 11 R 12 CH(O), —CR 11 R 12 (CH 2 ) 1 or 2 SO 2 —CH 2 CH 2 O) 1-7 R 10 , —CCH 3 (CH 2 OCH 2 CH 2 OCH 3 ) 2 , —OCH 2 CR 9 HCH 2 OR 10 , —CH 2 CR 9 HCH 2 NHC(O)CH 2 O(CH 2 CH 2 O) m R 10 , —CH 2 CR 9 HCH 2 NHC(O)CH 2 OCH 2 C(O)NH 2 , and —(OCH 2 CH 2 ) m OR 10 .

8. The compound of claim 1 , wherein m is selected from 0, 1, 2, 3, 4, 5, 6, and 7.

9. The compound of claim 1 , wherein R 6 is H and R 7 is —(CH 2 CH 2 O) m R 8 , where m is selected from 1, 2, 3, 4, 5, 6, and 7, and R 8 is selected from H, methyl, isopropyl, fluoro-substituted methyl, carboxyl, and a 3-7 membered heterocycloalkyl.

10. The compound of claim 9 , wherein the 3-7 membered ring heterocycloalkyl is selected from tetrazole, oxetane and piperazine.

11. The compound of claim 1 , having the following structure

wherein:

A is

G is selected from the group consisting of ˜O˜, ˜CH 2 ˜,

p is 0 or 1 (where a value of 0 indicates the absence of oxygen and a value of 1 indicates its presence); and

J is selected from the group consisting of ˜CH(OH)CH 2 OH, ˜CH(OH)CH 2 OCH 3 , ˜OCH 2 CH 2 OH, ˜CH 2 OCF 3 , ˜CH 2 OCH 3 , ˜OCF 3 , —OH, ˜OCH(CH 2 OCH 3 ) 2 , ˜OCH(CH 2 OH) 2 , ˜(OCH 2 CH 2 ) 0-29 OR 1 , where R 1 is methyl or a fluoro-substituted methyl, ˜CH 2 OCH 2 CH 3 , ˜CH 2 OCH(CH 3 ) 2 ,

and ˜OCH 2 C(OH)HCH 2 OCH 3 ,

or a pharmaceutically acceptable salt thereof.

12. The compound of claim 11 , wherein R 1 is selected from the group consisting of ˜CF 3 , ˜CF 2 H, and ˜CFH 2 .

13. The compound of claim 1 , wherein the compound is selected from the group consisting of:

14. The compound of claim 1 having a structure:

wherein (n) is an integer of 1 to 30, or pharmaceutically acceptable salts thereof.

15. The compound of claim 1 having a structure selected from the group consisting of:

16. A composition comprising the compound of claim 1 , and a pharmaceutically acceptable excipient.

17. A method for the treatment of one or more of epilepsy, neuropathic pain, bipolar disorder or a malarial infection comprising:

administering to a therapeutically effective amount of the-composition of claim 16 to a subject in need thereof.