Methods for treating bipolar disorder

1. A method of diminishing manic symptoms in a mammal suffering from bipolar disorder, wherein the mammal is exhibiting manic symptoms of bipolar disorder, comprising the administration of a therapeutically effective amount of a compound having structural Formula (1) or a pharmaceutically acceptable salt thereof, to a mammal in need thereof:

wherein,

R is hydrogen;

x is 1; and

R 1 and R 2 are hydrogen,

to thereby diminish the manic symptoms in the mammal suffering from bipolar disorder.

2. The method of claim 1 , wherein the compound having structural Formula (1) is an enantiomer substantially free of other enantiomers or an enantiomeric mixture wherein one enantiomer of the compound having structural Formula (1) predominates.

3. The method of claim 2 , wherein one enantiomer predominates to the extent of about 90% or greater.

4. The method of claim 3 , wherein one enantiomer predominates to the extent of about 98% or greater.

5. The method of claim 2 , wherein the enantiomer is (S) or (L) enantiomer as represented by Structural Formula (1a):

6. The method of claim 5 , wherein one enantiomer predominates to the extent of about 90% or greater.

7. The method of claim 6 , wherein one enantiomer predominates to the extent of about 98% or greater.

8. The method of claim 2 , wherein the enantiomer is (R) or (D) enantiomer, as represented by Structural Formula (1b):

9. The method of claim 8 , wherein one enantiomer predominates to the extent of about 90% or greater.

10. The method of claim 9 , wherein one enantiomer predominates to the extent of about 98% or greater.

11. The method of claim 8 , wherein the enantiomer is (R)-(beta-amino -benzenepropyl)carbamate.

12. The method of claim 11 , wherein the enantiomer of (R)-(beta-amino -benzenepropyl)carbamate predominates to the extent of about 90% or greater.

13. The method of claim 12 , wherein the enantiomer of (R)-(beta-amino -benzenepropyl)carbamate predominates to the extent of about 98% or greater.