Substituted quinazolines for inhibiting kinase activity

US12403145B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12403145-B2
Application numberUS-202318519150-A
CountryUS
Kind codeB2
Filing dateNov 27, 2023
Priority dateAug 23, 2013
Publication dateSep 2, 2025
Grant dateSep 2, 2025

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

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Chemical entities that are kinase inhibitors, pharmaceutical compositions and methods of treatment of cancer are described.

First claim

Opening claim text (preview).

What is claimed is: 1. A compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein X 3 , X 4 , and X 5 are one of the following: (i) X 3 is N; X 4 is C—R 13 ; X 5 is C—R 14 ; (ii) X 3 is C—R 12 ; X 4 is N; X 5 is C—R 14 ; (iii) X 3 is C—R 12 ; X 4 is C—R 13 ; X 5 is N; or (iv) X 3 is N; X 4 is N; X 5 is N; n is 0, 1, 2, 3, 4, or 5; m is 0, 1, 2, 3, 4, or 5; is aryl or heteroaryl, is aryl, heteroaryl, or heterocycloalkyl; R 6 , R 12 , R 13 , R 14 , and each Z is independently hydrogen, cyano, halo, hydroxy, azido, nitro, carboxy, oxo, sulfinyl, sulfanyl, sulfonyl, optionally substituted alkoxy, optionally substituted cycloalkyloxy, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted heterocycloalkyloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycloalkyl, optionally substituted amino, optionally substituted acyl, optionally substituted alkoxycarbonyl, optionally substituted aminocarbonyl, optionally substituted aminosulfonyl, or optionally substituted carbamimidoyl, each Q is independently hydrogen, cyano, halo, hydroxy, azido, nitro, carboxy, oxo, sulfinyl, sulfanyl, sulfonyl, optionally substituted alkoxy, optionally substituted cycloalkyloxy, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted heterocycloalkyloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycloalkyl, optionally substituted amino, optionally substituted acyl, optionally substituted alkoxycarbonyl, optionally substituted aminocarbonyl, optionally substituted aminosulfonyl, optionally substituted carbamimidoyl, or E; wherein E is an electrophilic group capable of forming a covalent bond with a nucleophile. 2. The compound or pharmaceutically acceptable salt of claim 1 , wherein is selected from the group consisting of: pyrrolyl, furanyl, thienyl, imidazolyl, pyrazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, 1,2,3-triazolyl, 1,2,4-triazolyl, furazanyl, 1,2,3-oxadiazolyl, 1,2,4-oxadiazole, 1,2,5-oxadiazole, 1,3,4-oxadiazole, thiadiazolyl, dithiazolyl, tetrazolyl, pyridinyl, pyranyl, thiopyranyl, diazinyl, pyrazinyl, pyrimidinyl, pyridazinyl, oxazinyl, thiazinyl, dioxinyl, dithiinyl, 1,2,3-triazinyl, 1,2,4-triazinyl, 1,3,5-triazinyl, tetrazinyl, and phenyl; and is selected from the group consisting of: piperazinyl, morpholinyl, piperidinyl, thiomorpholinyl, pyrrolidinyl, tetrahydrofuranyl, diazepanyl, azetidinyl, oxetanyl, oxiranyl, aziridinyl, pyrrolyl, furanyl, thienyl, imidazolyl, pyrazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, 1,2,3-triazolyl, 1,2,4-triazolyl, furazanyl, 1,2,3-oxadiazolyl, 1,2,4-oxadiazole, 1,2,5-oxadiazole, 1,3,4-oxadiazole, thiadiazolyl, dithiazolyl, tetrazolyl, pyridinyl, pyranyl, thiopyranyl, diazinyl, pyrazinyl, pyrimidinyl, pyridazinyl, oxazinyl, thiazinyl, dioxinyl, dithiinyl, 1,2,3-triazinyl, 1,2,4-triazinyl, 1,3,5-triazinyl, tetrazinyl, and phenyl. 3. The compound or pharmaceutically acceptable salt of claim 1 , wherein m is 1, 2, or 3; and at least one Q is E, or wherein n is 1 and Z is optionally substituted heterocycloalkyl. 4. The compound or pharmaceutically acceptable salt of claim 1 , wherein is X 1 is C—R 2 , or N; and R 1 , R 2 , R 3 , R 4 , and R 6 are independently hydrogen, cyano, halo, hydroxy, azido, nitro, carboxy, sulfinyl, sulfanyl, sulfonyl, optionally substituted alkoxy, optionally substituted cycloalkyloxy, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted heterocycloalkyloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryloxy, optionally substituted aryl, optionally substitute heteroaryl, optionally substituted heterocycloalkyl, optionally substituted amino, optionally substituted acyl, optionally substituted alkoxycarbonyl, optionally substituted aminocarbonyl, optionally substituted aminosulfonyl, or optionally substituted carbamimidoyl. 5. The compound or pharmaceutically acceptable salt of claim 1 , wherein is X 2 is C—R 11 , or N; and R 11 , R 7 , R 6 , R 9 , and R 10 are independently, hydrogen, cyano, halo, hydroxy, azido, nitro, carboxy, oxo, sulfinyl, sulfanyl, sulfonyl, optionally substituted alkoxy, optionally substituted cycloalkyloxy, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted heterocycloalkyloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycloalkyl, optionally substituted amino, optionally substituted acyl, optionally substituted alkoxycarbonyl, optionally substituted aminocarbonyl, optionally substituted aminosulfonyl, or optionally substituted carbamimidoyl or E; wherein E is an electrophilic group capable of forming a covalent bond with a nucleophile. 6. The compound of claim 1 , having the structure of Formula Ia or a pharmaceutically acceptable salt thereof, wherein X 1 is C—R 2 , or N; X 2 is C—R 11 , or N; X 3 , X 4 , and X 5 are one of the following: (i) X 3 is N; X 4 is C—R 13 ; X 5 is C—R 14 ; (ii) X 3 is C—R 12 ; X 4 is N; X 5 is C—R 14 ; (iii) X 3 is C—R 12 ; X 4 is C—R 13 , X 5 is N; or (iv) X 3 is N; X 4 is N; X 5 is N; R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 11 , R 12 , R 13 , and R 14 are independently hydrogen, cyano, halo, hydroxy, azido, nitro, carboxy, sulfinyl, sulfanyl, sulfonyl, optionally substituted alkoxy, optionally substituted cycloalkyloxy, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted heterocycloalkyloxy, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycloalkyl, optionally substituted amino, optionally substituted acyl, optionally substituted alkoxycarbonyl, optionally substituted aminocarbonyl, optionally substituted aminosulfonyl, or optionally substituted carbamimidoyl, R 8 , R 9 , and R 10 are independently hydrogen, cyano, halo, hydroxy, az

Assignees

Inventors

Classifications

  • involving compounds serving as markers for tumours, cancers or neoplasias, e.g. cellular determinants, receptors, heat shock/stress proteins, A-protein, oligosaccharides or metabolites · CPC title

  • Expression markers · CPC title

  • Polymorphic or mutational markers · CPC title

  • for cancer (immunoassay for cancer G01N33/575) · CPC title

  • Maleic acid · CPC title

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Frequently asked questions

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What does patent US12403145B2 cover?
Chemical entities that are kinase inhibitors, pharmaceutical compositions and methods of treatment of cancer are described.
Who is the assignee on this patent?
Neupharma Inc
What technology area does this patent fall under?
Primary CPC classification C07D239/84. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 02 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).