[1,3] dioxolo [4,5-g] quinoline-6(5h)thione derivatives as inhibitors of the late sv40 factor (lsf) for use in treating cancer
US-2015344491-A1 · Dec 3, 2015 · US
US11286261B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11286261-B2 |
| Application number | US-201816497917-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 29, 2018 |
| Priority date | Mar 29, 2017 |
| Publication date | Mar 29, 2022 |
| Grant date | Mar 29, 2022 |
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Provided is a compound having a tyrosine kinase inhibitory activity specific to C797S resistant mutant EGFR (particularly C797S tertiary-resistant mutant EGFR) and is useful as a C797S resistant mutant EGFR (particularly C797S mutant tertiary-resistant EGFR) specific tyrosine kinase inhibitor, an agent for preventing and/or treating non-small cell lung cancer with resistance mutant EGFR and the like, and the like.
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The invention claimed is: 1. A compound represented by the formula (I): wherein X is O or NH, R 1 and R 2 are each independently a hydrogen atom or an amino substituted hydrocarbon group, wherein the amino group is optionally mono- or di-substituted by C 1-6 alkyl group or guanidino group, R 3 and R 4 are each a hydrogen atom, and R 5 and R 6 are each independently a hydrocarbon group, excluding the following compound: or a salt thereof. 2. A method for inhibiting C797S resistant mutant EGFR tyrosine kinase activity, the method comprising contacting a cell expressing C797S resistant mutant EGFR with a compound or salt of claim 1 . 3. A method for treating non-small cell lung cancer in a subject in need thereof, the method comprising administering to the subject a compound or salt of claim 1 . 4. The method of claim 3 , wherein the non-small cell lung cancer is associated with C797S resistant mutant EGFR. 5. The compound of claim 1 , wherein the compound of formula (I) is or a salt thereof. 6. The compound of claim 1 , wherein the compound of formula (I) is
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