Farnesyl transferase inhibitors

1. A compound having the formula

wherein:

R 1 is H, lower alkyl, cycloalkylthio, or lower alkylthio;

each of R 2 and R 3 , independently, is H or lower alkyl;

R 4 is O;

R 5 is H, or substituted or unsubstituted lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, cycloalkyl lower alkyl, cycloalkenyl, cycloalkenyl lower alkyl, aryl, aryl lower alkyl, heterocyclyl, or heterocyclyl lower alkyl, wherein the substituent is lower alkyl, —O—R 10 , —S(O) m R 10 (where m is 0, 1, or 2), —N(R 10 )(R 11 ), —N—C(O)—R 10 , —NH—(SO 2 )—R 10 ; —CO 2 —R 10 , —C(O)—N(R 10 )(R 11 ), or —(SO 2 )—N(R 10 )(R 11 );

R 6 is —C(O)NHCHR 13 CO 2 R 14 ;

R 7 is substituted or unsubstituted aryl, wherein the substituent is OH, lower alkyl, lower alkoxy, aryloxy, aryl lower alkoxy, —N(R 10 )(R 11 ), —COOH, —C(O)—N(R 10 )(R 11 ), or halo;

R 8 is H, or substituted or unsubstituted lower alkyl, cycloalkyl, cycloalkyl lower alkyl, cycloalkenyl, cycloalkenyl lower alkyl, aryl, aryl lower alkyl, heterocyclyl, or heterocyclyl lower alkyl, wherein the substituent is OH, lower alkyl, lower alkoxy, —N(R 10 )(R 11 ), —COOH, —C(O)—N(R 10 )(R 11 ), or halo; or R 8 and R 9 , together, form aryl or heterocyclyl; and

each of R 10 and R 11 , independently, is H, lower alkyl, aryl, aryl lower alkyl, cycloalkyl, cycloalkyl lower alkyl, heterocyclyl, or heterocyclyl lower alkyl;

R 12 is S;

R 13 is substituted lower alkyl wherein the substituent is —S(O) m R 10 (wherein m is 0); and

R 14 is H;

or a pharmaceutically acceptable salt thereof.

2. A compound of claim 1 , wherein R 5 is substituted or unsubstituted lower alkyl, cycloalkyl, or cycloalkyl lower alkyl; or a pharmaceutically acceptable salt thereof.

3. A compound of claim 2 , wherein each of R 1 , R 2 , and R 3 , independently, is H; or a pharmaceutically acceptable salt thereof.

4. A compound of claim 3 , wherein R 7 is phenyl; or a pharmaceutically acceptable salt thereof.

5. A compound of claim 4 , wherein R 8 is H; or a pharmaceutically acceptable salt thereof.

6. A compound of claim 5 , wherein R 5 is H; or a pharmaceutically acceptable salt thereof.

7. A compound of claim 1 , wherein said compound is of the formula:

2-(((2-amino-1-oxo-3-mercapto-propyl)-amino)-methyl)-5-phenyl-thiazole-4-carbonyl-methionine;

or a pharmaceutically acceptable salt thereof.

8. A compound consisting of a first compound and a second compound of claim 1 , wherein said first and second compounds are identical, and wherein R 1 in said first compound and R 1 in said second compound, in combination, form a disulfide bond; or a pharmaceutically acceptable salt thereof.