PYRIDO- OR PYRROLO-FUSED PYRIMIDINE DERIVATIVES AS AUTOTAXIN INHIBITORS FOR TREATING PAIN

摘要

The present invention provides compounds of the Formula I: [Formula should be inserted here] wherein X is a bond or CH2; R is selected from the group consisting of [Formula should be inserted here] R1 and R2 are each independently selected from the group consisting of CH and N; R3 is H or CH3; R4 is H or CH3; L is selected from the group consisting of -0(CH2)3-, -C(0)NH(CH2)2-, -CH2C(0)NH(CH2)2-, -(CH2)3N(C(0)CH3)CH2-, -(CH2)2N(C(0)CH3)CH2-, -(CH2)3NH-, (CH2)2OCH2-, -(CH2)4-, -(CH2)2NHCH2-, -(CH2)30-, and -CH20(CH2)2-; pharmaceutically acceptable salt thereof. Compounds of this invention are autotaxin inhibitors.