Inhibitors of indoleamine 2,3-dioxygenase (IDO)

A compound of formula (I)

• where
• X is
• E is NH or CH2;
• W is CR10;
• Y is CR11;
• V is CR12;
• is C3-C8 cycloalkyl;
• R1 is C1-C10 alkyl optionally substituted with halo or phenyl wherein said phenyl may be optionally substituted with halo;
• R2 is COOH, heteroaryl or CONHSO2R14;
• R3 is H, C1-C10 alkyl or halo;
• R4 is H, C1-C10 alkyl, or halo;
• R6 is H;
• R7 and R8 are independently selected from the group consisting of C1-C10 alkyl optionally substituted with halo or phenyl, wherein said phenyl may be optionally substituted with halo, C1-C10 alkoxy, C1-C10-alkoxy-C1-C10-alkyl, C3-C8 cycloalkyl, aryl optionally substituted with halo;
• R9 is aryl, C1-C10 alkylaryl, C3-C8 cycloalkylaryl, C1-C10 alkoxyaryl, C1-C10 alkyl heteroaryl, heteroaryl, or
• wherein R9 may be substituted with at least one alkyl, halo, alkoxy, CN, or haloalkyloxy;
• R10 is H or halo;
• R11 is H or halo;
• and
• R12 is H, C1-C10 alkyl, or C2-C10 alkenyl;
• R14 is CF3, C3-C8 cycloalkyl or C1-C10 alkyl;
• and/or a stereoisomer, tautomer or a pharmaceutically acceptable salt thereof.