CPC C07D 417/04 (2013.01) [C07D 277/64 (2013.01)] | 20 Claims |
1. A compound of formula (I):
![]() or a salt thereof, wherein:
R1 is selected from —CN and
![]() R2 is selected from hydrogen and halo;
R3 is selected from hydrogen, C1-C6 alkyl, and hydroxy-C1-C6-alkyl;
n is 0, 1, 2, or 3;
each R4 is independently selected from C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 heteroalkyl, C1-C6 alkoxy, C1-C6 haloalkyl, C1-C6 haloalkoxy, halo, hydroxy, amino, cyano, nitro, —COORa, and —CONRbRc;
R5 is selected from hydrogen and C1-C4 alkyl; and
Ra, Rb, and Rc are each independently selected from hydrogen, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, and C1-C6 heteroalkyl.
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