4-pyrazolyl-N-arylpyrimidin-2-amines and 4-pyrazolyl-N-heteroarylpyrimidin-2-amines as janus kinase inhibitors

A compound of Formula IIa, IIb, IIe, IId, IIe, IIf, or IIg:

• or a pharmaceutically acceptable salt thereof, wherein:
• Ring A is aryl or heteroaryl;
• Q is H, Cy1, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)NRc1Rd1, NRc1C(O)ORa1, C(═NRg)NRc1Rd1, NRc1C(═NRg)NRc1Rd1S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, NRc1S(O)2Rb1, or S(O)2NRc1Rd1, wherein said C1-6 alkyl, C2-6 alkenyl, or C2-6 alkynyl, are optionally substituted by 1, 2, 3, 4 or 5 substituents independently selected from halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, halosulfanyl, CN, NO2, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)NRc1Rd1, NRc1C(O)ORa1, C(═NRg)NRc1Rd1, NRc1C(═NRg)NRc1Rd1, S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, NRc1S(O)2Rb1, and S(O)2NRc1Rd1;
• X is H, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa, SRa, C(O)Rb, C(O)NRcRd, C(O)ORa, OC(O)Rb, OC(O)NRcRd, NRcRd, NRc1C(O)Rb, NRc1C(O)NRcRd, NRc1C(O)ORa, C(═NRg)NRcRd, NRc1C(═NRg)NRcRd, S(O)Rb, S(O)NRcRd, S(O)2Rb, NRc1S(O)2Rb, or S(O)2NRcRd;
• Y is H, Cy2, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, NO2, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)NRc1Rd1, NRc1C(O)ORa1, C(═NRg)NRc1Rd1, NRc1C(═NRg)NRc1Rd1S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, NRc1S(O)2Rb1, or S(O)2NRc1Rd1, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, or C1-6 haloalkyl, is optionally substituted by 1, 2, 3, 4 or 5 substituents independently selected from halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, halosulfanyl, CN, NO2, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)NRc1Rd1, NRc1C(O)ORa1, C(═NRg)NRc1Rd1, NRc1C(═NRg)NRc1Rd1, S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, NRc1S(O)2Rb1, and S(O)2NRc1Rd1;
• R1, R2, R3, and R4 are independently selected from H, halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, CN, (CH2)mCN, NO2, ORa, (CH2)mORa, SRa, C(O)Rb, C(O)NRcRd, C(O)ORa, NRcRd, (CH2)mNRcRd, NRcC(O)Rb, NRcS(O)2Rb, and S(O)2NRcRd;
• Cy1 and Cy2 are independently selected from aryl, cycloalkyl, heteroaryl, and heterocycloalkyl, each optionally substituted by 1, 2, 3, 4, or 5 substituents independently selected from halo, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, C1-6 haloalkyl, halosulfanyl, CN, NO2, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)NRc1Rd1, NRc1C(O)ORa1, C(═NRg)NRc1Rd1, NRc1C(═NRg)NRc1Rd1, S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, NRc1S(O)2Rb1, and S(O)2NRc1Rd1, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, or heterocycloalkyl that is substituted on Cy1 or Cy2 is further optionally substituted by 1, 2, or 3 substituents independently selected from halo, C1-6 haloalkyl, halosulfanyl, CN, NO2, ORa1, SRa1, C(O)Rb1, C(O)NRc1Rd1, C(O)ORa1, OC(O)Rb1, OC(O)NRc1Rd1, NRc1Rd1, NRc1C(O)Rb1, NRc1C(O)NRc1Rd1, NRc1C(O)ORa1, C(═NRg)NRc1Rd1, NRc1C(═NRg)NRc1Rd1, S(O)Rb1, S(O)NRc1Rd1, S(O)2Rb1, NRc1S(O)2Rb1, and S(O)2NRc1Rd1;
• Ra, Rb, Rc, and Rd are independently selected from H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, and heterocycloalkylalkyl, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl is optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from OH, CN, amino, halo, C1-6 alkyl, C1-6 alkoxy, C1-6 haloalkyl, and C1-6 haloalkoxy;
• or Rc and Rd together with the N atom to which they are attached form a 4-, 5-, 6- or 7-membered heterocycloalkyl group or heteroaryl group, each optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C1-6 alkyl, C1-6 alkoxy, C1-6 haloalkyl, and C1-6 haloalkoxy;
• Ra1, Rb1, Rc1, and Rd1 are independently selected from H, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, and heterocycloalkylalkyl, wherein said C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl is optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-6 alkyl, halo, CN, ORa2, SRa2, C(O)Rb2, C(O)NRc2Rd2, C(O)ORa2, OC(O)Rb2, OC(O)NRc2Rd2, NRc2Rd1, NRc2C(O)Rb2, NRc2C(O)NRc2Rd2, NRc2C(O)ORa2, C(═NRg)NRc2Rd2, NRg)NRc2Rd2, S(O)2Rb2, NRc2S(O)2Rb2, and S(O)2NRc2Rd2;
• or Rc1 and Rd1 together with the N atom to which they are attached form a 4-, 5-, 6- or 7-membered heterocycloalkyl group or heteroaryl group, each optionally substituted with 1, 2, or 3 substituents independently selected from C1-6 alkyl, halo, CN, ORa2, SRa2, C(O)Rb2, C(O)NRc2Rd2, C(O)ORa2, OC(O)Rb2, OC(O)NRc2Rd2, NRc2Rd2, NRc2C(O)Rb2, NRc2C(O)NRc2Rd2, NR2C(O)ORa2, C(═NRg)NRc2Rd2, NRc2C(═NRg)NRc2Rd2, S(O)Rb2, S(O)NRc2Rd2, S(O)2Rb2, NRc2S(O)2Rb2, and S(O)2NRc2Rd2;
• Ra2, Rb2, Rc2, and Rd2 are independently selected from H, C1-6 alkyl, C1-6 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, and heterocycloalkylalkyl, wherein said C1-6 alkyl, C1-6 haloalkyl, C2-6 alkenyl, C2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl, or heterocycloalkylalkyl is optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C1-6 alkyl, C1-6 alkoxy, C1-6 haloalkyl, and C1-6haloalkoxy;
• or Rc2 and Rd2 together with the N atom to which they are attached form a 4-, 5-, 6- or 7-membered heterocycloalkyl group or heteroaryl group, each optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C1-6 alkyl, C1-6alkoxy, C1-6 haloalkyl, and C1-6haloalkoxy;
• Rg is H, CN, or NO2;
• and
• m is 0, 1, 2, or 3.