PYRIDYL INHIBITORS OF HEDGEHOG SIGNALLING
First Claim
Patent Images
1. A compound of formula I:
- wherein A is a carbocycle or heterocycle;
X is alkylene, NR4C(O), NR4C(S), N(C(O)R1)C(O), NR4SO, NR4SO2, NR4C(O)NH, NR4C(S)NH, C(O)NR4, C(S)NR4, NR4PO or NR4PO(OH);
Y is absent, CHR4, O, S, SO, SO2 or NR4;
R1 is selected from the group consisting of alkyl, a carbocycle or a heterocycle each of which is optionally substituted with hydroxyl, halogen, amino, carboxyl, amidino, guanidino, carbonyl, nitro, cyano, acyl, alkyl, haloalkyl, sulfonyl, sulfinyl, alkoxy, alkylthio, carbamoyl, acylamino, sulfamoyl, sulfonamide, a carbocycle or a heterocycle;
wherein said amino, amidino, alkyl, acyl, sulfonyl, sulfinyl, alkoxy, alkylthio, carbamoyl, acylamino, sulfamoyl, sulfonamide, carbocycle and heterocycle substituent is optionally substituted with, halogen, haloakyl, hydroxyl, carboxyl, carbonyl, or an amino, alkyl, alkoxy, acyl, sulfonyl, sulfinyl, phosphinate, carbocycle or heterocycle that is optionally substituted with hydroxyl, carboxyl, carbonyl, amino, halogen, haloalkyl, alkyl, alkoxy, alkylthio, sulfonyl, sulfinyl, acyl, a carbocycle or a heterocycle;
R2 is halogen, hydroxyl, alkyl, acyl or alkoxy, wherein each alkyl, acyl and alkoxy is optionally substituted with hydroxyl, halogen, amino, nitro, alkyl, acyl, alkylsulfonyl or alkoxy;
R3 is halogen, hydroxyl, carboxyl, alkyl, acyl, alkoxy, alkoxycarbonyl, carbamoyl, alkylsulfide, sulfinyl, sulfonyl, a carbocycle or a heterocycle wherein each alkyl, acyl, alkoxy, alkoxycarbonyl, carbamoyl, alkylsulfide, sulfinyl, sulfonyl, carbocycle and heterocycle is optionally substituted with hydroxyl, halogen, amino, nitro, alkyl, acyl, sulfonyl or alkoxy;
R4 is H or alkyl;
m is 0-3;
n is 0-3;
and salts and solvates thereof.
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Abstract
The invention provides novel inhibitors of hedgehog signaling that are useful as a therapeutic agents for treating malignancies where the compounds have the general formula I:
wherein A, X, Y R1, R2, R3, R4, m and n are as described herein.
48 Citations
37 Claims
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1. A compound of formula I:
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wherein A is a carbocycle or heterocycle; X is alkylene, NR4C(O), NR4C(S), N(C(O)R1)C(O), NR4SO, NR4SO2, NR4C(O)NH, NR4C(S)NH, C(O)NR4, C(S)NR4, NR4PO or NR4PO(OH); Y is absent, CHR4, O, S, SO, SO2 or NR4; R1 is selected from the group consisting of alkyl, a carbocycle or a heterocycle each of which is optionally substituted with hydroxyl, halogen, amino, carboxyl, amidino, guanidino, carbonyl, nitro, cyano, acyl, alkyl, haloalkyl, sulfonyl, sulfinyl, alkoxy, alkylthio, carbamoyl, acylamino, sulfamoyl, sulfonamide, a carbocycle or a heterocycle;
wherein said amino, amidino, alkyl, acyl, sulfonyl, sulfinyl, alkoxy, alkylthio, carbamoyl, acylamino, sulfamoyl, sulfonamide, carbocycle and heterocycle substituent is optionally substituted with, halogen, haloakyl, hydroxyl, carboxyl, carbonyl, or an amino, alkyl, alkoxy, acyl, sulfonyl, sulfinyl, phosphinate, carbocycle or heterocycle that is optionally substituted with hydroxyl, carboxyl, carbonyl, amino, halogen, haloalkyl, alkyl, alkoxy, alkylthio, sulfonyl, sulfinyl, acyl, a carbocycle or a heterocycle;R2 is halogen, hydroxyl, alkyl, acyl or alkoxy, wherein each alkyl, acyl and alkoxy is optionally substituted with hydroxyl, halogen, amino, nitro, alkyl, acyl, alkylsulfonyl or alkoxy; R3 is halogen, hydroxyl, carboxyl, alkyl, acyl, alkoxy, alkoxycarbonyl, carbamoyl, alkylsulfide, sulfinyl, sulfonyl, a carbocycle or a heterocycle wherein each alkyl, acyl, alkoxy, alkoxycarbonyl, carbamoyl, alkylsulfide, sulfinyl, sulfonyl, carbocycle and heterocycle is optionally substituted with hydroxyl, halogen, amino, nitro, alkyl, acyl, sulfonyl or alkoxy; R4 is H or alkyl; m is 0-3; n is 0-3; and salts and solvates thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
wherein Z1 is O, S or NR5 wherein R5 is H or alkyl;
Z2 is CH, CR2 or N;
R2 is halogen, hydroxyl, alkyl or alkoxy;
R2 is H, halogen, hydroxyl, alkyl or alkoxy; and
n is 0-3.
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3. The compound of claim 2, wherein A is ring A1 wherein Z1 is S and Z2 is CH or N.
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4. The compound of claim 2, wherein A is the ring A2.
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5. The compound of claim 2, wherein R2 or R2′
- is Cl.
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6. The compound of claim 1, wherein A is A1a, A1b, A2a, A3a, A3b, A4a, A5a, A6a, A7a,
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7. The compound of claim 1, wherein X is NR4C(O).
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8. The compound of claim 1, wherein X is NR4SO2.
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9. The compound of claim 7, wherein R4 is H or Me.
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10. The compound of claim 9, wherein R4 is H.
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11. The compound of claim 1, wherein R3 is Me or F.
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12. The compound of claim 1, wherein R3 is Me and m is 1 or 2.
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13. The compound of claim 1, wherein R3 is F and m is 1 or 2.
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14. The compound of claim 1, wherein m is 0.
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15. The compound claim 1, wherein R1 is selected from the group consisting of formula IIa-IIo:
wherein W is O, S or NR7 wherein R7 is H, alkyl, acyl, a carbocycle or a heterocycle wherein said alkyl carbocycle and heterocycle are each optionally substituted with 1-3 amino, halogen, hydroxyl and haloalkyl; R6 in each instance is independently hydroxyl, halogen, amino, carbonyl, nitro, cyano, acyl, alkyl, sulfonyl, alkylsulfonyl, alkylsulfinyl, alkoxy, alkylcarbamoyl, alkanoylamine, alkylsulfamoyl, alkylsulfonamide, a carbocycle or a heterocycle; wherein said amino, alkyl, carbonyl, acyl, sulfonyl, alkylsulfonyl, alkylsulfinyl, alkoxy, alkylcarbamoyl, alkanoylamine, alkylsulfamoyl, alkylsulfonamide, carbocycle and heterocycle substituent is optionally substituted with amino, halogen, hydroxyl, carbonyl, or a carbocycle or heterocycle that is optionally substituted with hydroxyl, amino, halogen, haloalkyl, alkyl, alkoxy or acyl; and o is 0-3.
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16. The compound of claim 15, wherein R1 is the group of formula IIa.
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17. The compound of claim 16, wherein R6 is alkoxy and o is 1 or 2.
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18. The compound of claim 16, wherein R1 is selected from the group of formula IIa1-IIa28:
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19. The compound of claim 16, wherein A is ring A1 or A2.
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20. The compound of claim 16, wherein A is ring A2a.
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21. The compound of claim 16, wherein R3 is Me or F.
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22. The compound of claim 3, wherein m is 0.
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23. The compound of claim 3, wherein X is NR4C(O).
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24. The compound of claim 15, wherein R1 is the group of formula IIb.
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25. The compound of claim 24, wherein R6 is alkyl or haloalkyl.
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26. The compound of claim 24, wherein R1 is the group of formula IIb1
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27. The compound of claim 24, wherein A is ring A1 or A2.
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28. The compound of claim 24, wherein A is ring A2.
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29. The compound of claim 24, wherein R3 is H, Me or F.
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30. The compound of claim 24, wherein R3 is H.
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31. The compound of claim 24, wherein X is NR4C(O).
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32. A composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.
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33. A method of treating cancer in a mammal, comprising administering to said mammal an effective amount of a compound of claim 1.
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34. The method of claim 33, wherein said cancer is basal cell carcinoma, medullablastoma, pancreatic adenocarcinoma, small-cell lung carcinoma, breast carcinoma, rhabdomyosarcoma, oesophageal cancer, stomach cancer, biliary tract cancer.
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35. A method of inhibiting angiogenesis in a mammal, comprising administering to said mammal an effective amount of a compound of claim 1.
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36. A method of inhibiting hedgehog pathway signalling in a cell comprising contacting said cell with an effective amount of a compound of claim 1.
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37. A process for preparing a compound of formula Ib″
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wherein ring B is a carbocycle or heterocycle; R3 is halogen, hydroxyl, carboxyl, alkyl, acyl, alkoxy, alkoxycarbonyl, carbamoyl, alkylsulfide, alkylsulfinyl, alkylsulfonyl, a carbocycle or a heterocycle wherein each alkyl, acyl, alkoxy, alkoxycarbonyl, carbamoyl, alkylsulfide, alkylsulfinyl, alkylsulfonyl, carbocycle and heterocycle is optionally substituted with hydroxyl, halogen, amino, nitro, alkyl, acyl, alkylsulfonyl or alkoxy; R6 in each instance is independently hydroxyl, halogen, amino, carbonyl, nitro, cyano, acyl, alkyl, sulfonyl, alkylsulfonyl, alkylsulfinyl, alkoxy, alkylcarbamoyl, alkanoylamine, alkylsulfamoyl, alkylsulfonamide, a carbocycle or a heterocycle;
wherein said amino, alkyl, carbonyl, acyl, sulfonyl, alkylsulfonyl, alkylsulfinyl, alkoxy, alkylcarbamoyl, alkanoylamine, alkylsulfamoyl, alkylsulfonamide, carbocycle and heterocycle substituent is optionally substituted with amino, halogen, hydroxyl, carbonyl, or a carbocycle or heterocycle that is optionally substituted with hydroxyl, amino, halogen, haloalkyl, alkyl, alkoxy or acyl;o is 0-3; and m is 0-3; said process comprising reacting a compound of formula (a) wherein Q is Cl, Br or I;
with a compound of formula (b)wherein L is Br, I or OTf;
to yield a compound of formula (c);reducing said compound of formula (c) to give a compound of formula (d) and reacting said compound of formula (d) with a compound of formula (e) wherein Q′
is halogen, OH, OR wherein R is an activating group;
to yield said compound of formula Ib″
.
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Specification