1H-pyrazolo[3,4-b]pyridines and therapeutic uses thereof

A compound or pharmaceutically acceptable salt or prodrug thereof having the structure of formula Ib:

• wherein:
• R1, R2, R3, R5, R6, and R8 are independently selected from the group consisting of H, C1-9 alkyl, halide, —CF3, —(C1-9 alkyl)ncarbocyclylR12, —(C1-9 alkyl)nheterocyclylR12, —(C1-9 alkyl)narylR12, —(C1-9 alkyl)nheteroarylR12, —(C1-9 alkyl)nOR9, —(C1-9 alkyl)nSR9, —(C1-9 alkyl)nS(═O)R10, —(C1-9 alkyl)nSO2R9, —(C1-9 alkyl)nN(R9)SO2R9, —(C1-9 alkyl)nSO2N(R9)2, —(C1-9 alkyl)nN(R9)2, —(C1-9 alkyl)nN(R9)C(=A)N(R9)2, —(C1-9 alkyl)nC(=A)N(R9)2, —(C1-9 alkyl)nN(R9)C(=A)R9, —(C1-9 alkyl)nN(R9)C(=A)CH(R9)2, —NO2, —CN, —(C1-9 alkyl)nCO2R9 and —(C1-9 alkyl)nC(=A)R9;
• one of each R1 and R2, R2 and R3, or R5 and R6 are taken together to form a ring which is selected from the group consisting of aryl, heteroaryl,
• wherein each bond represented by a dashed and solid line represents a bond selected from the group consisting of a single bond and a double bond;
• each R9 is independently selected from the group consisting of H, C1-9 alkyl, —CF3, —(C1-9 alkyl)ncarbocyclyl, —(C1-9 alkyl)nheterocyclyl, —(C1-9 alkyl)naryl and —(C1-9 alkyl)nheteroaryl;
• alternatively, two adjacent R9, may be taken together with the atoms to which they are attached to form a carbocyclyl or heterocyclyl;
• each R10 is independently selected from the group consisting of C1-9 alkyl, —CF3, —(C1-9 alkyl)ncarbocyclyl, —(C1-9 alkyl)nheterocyclyl, —(C1-9 alkyl)naryl and —(C1-9 alkyl)nheteroaryl;
• each R11 is independently selected from the group consisting of —OR9 and R9;
• each R12 is 1-5 substituents each selected from the group consisting of H, C1-9 alkyl, halide, —CF3, carbocyclyl, heterocyclyl, aryl, heteroaryl, —(C1-9 alkyl)nOR9, —(C1-9 alkyl)nSR9, —(C1-9 alkyl)nS(═O)R10, —(C1-9 alkyl)nSO2R9, —(C1-9 alkyl)nN(R9)SO2R9, —(C1-9 alkyl)nSO2N(R9)2, —(C1-9 alkyl)nN(R9)2, —(C1-9 alkyl)nN(R9)C(=A)N(R9)2, —(C1-9 alkyl)nC(=A)N(R9)2, —(C1-9 alkyl)nN(R9)C(=A)R9, —(C1-9 alkyl)nN(R9)C(=A)CH(R9)2, —NO2, —CN, —(C1-9 alkyl)nCO2R9 and —(C1-9 alkyl)nC(=A)R9;
• R14 and R15 are independently selected from the group consisting of H, C1-9 alkyl, halide, —CF3, —(C1-9 alkyl)ncarbocyclylR12, —(C1-9 alkyl)nheterocyclylR12, —(C1-9 alkyl)narylR12, —(C1-9 alkyl)nheteroarylR12, —(C1-9 alkyl)nOR9, —(C1-9 alkyl)nSR9, —(C1-9 alkyl)nS(═O)R10, —(C1-9 alkyl)nSO2R9, —(C1-9 alkyl)nN(R9)nSO2R9, —(C1-9 alkyl)nSO2N(R9)2, —(C1-9 alkyl)nN(R9)2, —(C1-9 alkyl)nN(R9)C(=A)N(R9)2, —(C1-9 alkyl)nC(=A)N(R9)2, —(C1-9 alkyl)nN(R9)C(=A)R9, —(C1-9 alkyl)nN(R9)C(=A)CH(R9)2, —NO2, —CN, —(C1-9 alkyl)nCO2R9 and —(C1-9 alkyl)nC(=A)R9;
• alternatively, R14 and R15 are taken together to form a ring which is selected from the group consisting of benzene and pyridine;
• each A is independently selected from O, S and NR11;
• Y1, Y2 and Y4 are carbon;
• Y3 is nitrogen;
• R7 is absent;
• and
• each n is 0 or 1.