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Last Updated: December 16, 2025

Claims for Patent: 7,452,895


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Summary for Patent: 7,452,895
Title:Quinazoline analogs as receptor tyrosine kinase inhibitors
Abstract:This invention provides quinazoline analogs of Formula I: where A is bonded to at least one of the carbons at the 5, 6, 7 or 8 position of the bicyclic ring, and the ring is substituted by up to two independent R3 groups. The invention also includes methods of using compounds of Formula I as type I receptor tyrosine kinase inhibitors and for the treatment of hyperproliferative diseases such as cancer.
Inventor(s):Eli Wallace, George Topalov, Joseph Lyssikatos, Alexandre Buckmelter, Qian Zhao
Assignee:Array Biopharma Inc
Application Number:US10/914,974
Patent Claims: 1. A compound including resolved enantiomers, diastereomers, solvates and pharmaceutically acceptable salts thereof, said compound comprising Formula I: wherein A is bonded to at least one of the carbons at positions 5, 6, 7 or 8 of the bicyclic ring and wherein the bicyclic ring is substituted by zero, one or two independent R3 groups; X is N, A is Z; R1 is a substituted or unsubstituted, monocyclic or bicyclic, aryl or heteroaryl moiety; R2 is H or a substituted or unsubstituted C1-8 alkyl, allyl, substituted benzyl R3 is hydrogen, halogen, cyano, nitro, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocylyl, heterocyclylalkyl, —NR4SO2R5—SO2NR6R4, —C(O)R6, —C(O)OR6, —OC(O)R6, —NR4C(O)OR5, —NR4C(O)R6, —C(O)NR4R6, —NR4R6, —NR4C(O)NR4R6, —OR6, —S(O)R5, —SO2R5, or SR6, wherein said alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocylyl, and heterocyclylalkyl is optionally substituted with one to five groups independently selected from the group consisting of oxo, halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R5, —SO2NR6R4, —C(O)R6, —C(O)OR6, —OC(O)R6, —NR4C(O)OR5, —NR4C(O)CR6, —C(O)NR4R6, —NR4R6, —NR4C(O)NR4R6, —NR4C(NCN)NR4R6, —OR6, —S(O)R5, —SO2R5, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl; wherein when R6═H then further includes and wherein one or more R8 or R9 groups in Z, wherein said R8 and R9 groups may be bonded to the same or different atoms; W is O, and V is CR8R9; R4 is H or C1-6 alkyl; R5 is trifluoromethyl, C1-C10 alkyl, C3-C10 cycloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, or partially unsaturated heterocycle, wherein said alkyl, cycloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl, and heterocyclylalkyl is optionally substituted with one to five groups independently selected from the group consisting of oxo, halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, OR6, NR4R6, SR6, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl; R6, R8 and R9 are independently selected from the group consisting of hydrogen, trifluoromethyl, C1-C10 alkyl, (CH2)0-4C3-C10 cycloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl, wherein said alkyl, cycloalkyl, aryl, arylalkyl, heteroaryl, heterocyclyl, partially unsaturated heterocyclyl, and heterocyclylalkyl is optionally substituted with one to five groups independently selected from the group consisting of oxo, halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, OR6, NR6R8, SR6, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl; R7 is hydrogen, halogen, cyano, nitro, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, partially unsaturated heterocycle, —NR4SO2R5—SO2NR6R4, —C(O)R6, —C(O)OR6, —OC(O)R6, —NR4C(O)OR5, —NR4C(O)R6, —C(O)NR4R6, —NR4R6, —NR4C(O)NR4R6, —OR6, —S(O)R5, —SO2R5, or SR6 , wherein said alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heteroaryl heterocyclyl, and partially unsaturated heterocyclyl is optionally substituted with one to five groups independently selected from the group consisting of oxo, halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, —NR4SO2R5, —SO2NR6R4, —C(O)R6, —C(O)OR6, —OC(O)R6, —NR4C(O)OR5, —NR4C(O)CR6, —C(O)NR4R6, —NR4R6, —NR4C(O)NR4R6, —NR4C(NCN)NR4R6, —OR6, —S(O)R5, —SO2R5, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl; or R4 and R6 together with the atoms to which they are attached may be independently joined to complete a 3 to 10 membered cycloalkyl ring or heterocycloalkyl ring optionally containing one or more additional heteroatoms selected from the group consisting of O, S, SO, SO2 and NR6, wherein each ring carbon is optionally substituted with one to three groups independently selected from the group consisting of halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, OR8, NR6R8, SR6, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl, provided said ring does not contain two adjacent O or two adjacent S atoms; or R6 and R8 together with the atoms to which they are attached may be independently joined to complete a 3 to 10 membered cycloalkyl ring or heterocycloalkyl ring optionally containing one or more additional heteroatoms selected from the group consisting of O, S, SO, SO2 and NR6, wherein each ring carbon is optionally substituted with one to three groups independently selected from the group consisting of halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, OR8, NR6R8, SR6, heteroaryl, arylalkyl heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl, provided said ring does not contain two adjacent O or two adjacent S atoms; or R7 and R8 together with the atoms to which they are attached may be independently joined to complete a 3 to 10 membered cycloalkyl ring or heterocycloalkyl ring optionally containing one or more additional heteroatoms selected from the group consisting of O, S, SO, SO2 and NR6, wherein each ring carbon is optionally substituted with one to three groups independently selected from the group consisting of halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, OR8, NR6R8, SR6, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl; provided said ring does not contain two adjacent O or two adjacent S atoms; or R8 and R9 together with the atoms to which they are attached may be independently joined to complete a 3 to 10 membered cycloalkyl ring or heterocycloalkyl ring optionally containing one or more additional heteroatoms selected from the group consisting of O, S, SO, SO2 and NR6, wherein each ring carbon may be optionally substituted with one to three groups independently selected from the group consisting of halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C10 cycloalkyl, C3-C10 cycloalkylalkyl, cyano, nitro, trifluoromethyl, difluoromethoxy, trifluoromethoxy, azido, aryl, OR8, NR6R8, SR6, heteroaryl, arylalkyl, heteroarylalkyl, heterocyclyl, partially unsaturated heterocyclyl and heterocyclylalkyl, provided said ring does not contain two adjacent O or two adjacent S atoms.

2. The compound of claim 1, wherein R2 is H, R3 is H, and Z is bonded to the carbon at the 6 position of the bicyclic ring.

3. The compound of claim 2, wherein R1 is a substituted monocyclic aryl moiety.

4. The compound of claim 3, wherein R6 is H.

5. The compound of claim 4, wherein the compound of Formula I is selected from the structures:

6. The compound of claim 3 , wherein R6 is C1-C10 alkyl.

7. The compound of claim 6, wherein the compound of Formula I is N4-[3-chloro-4-(3-fluorobenzyloxy)-phenyl]-N6-(4,5-dihydro-oxazol-2-yl)-N6-ethylquinazoline-4,6-diamine.

8. A compound selected from the structures: and pharmaceutically acceptable salts thereof.

9. The compound of claim 8 having the structure:

10. The compound of claim 8 having the structure:

11. The compound of claim 8 having the structure:

12. The compound of claim 8 having the structure:

13. The compound of claim 8 having the structure:

14. A method of treating cancer-of the head and neck, lung, breast, colon or stomach in a mammal comprising administering a therapeutically effective amount of the compound defined in claim 1 to the mammal.

15. A pharmaceutical composition comprising a compound of Formula I as defined in claim 1, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable diluent or carrier.

16. A method of treating cancer-of the head and neck, lung, breast, colon or stomach in a mammal comprising administering a therapeutically effective amount of the compound defined in claim 8 to the mammal.

17. A pharmaceutical composition comprising a compound as defined in claim 8, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable diluent or carrier.

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