Phosphine ligands for catalytic reactions
US-2015360215-A1 · Dec 17, 2015 · US
US10793559B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10793559-B2 |
| Application number | US-201916572917-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 17, 2019 |
| Priority date | Feb 12, 2016 |
| Publication date | Oct 6, 2020 |
| Grant date | Oct 6, 2020 |
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The invention is directed to certain novel compounds. Specifically, the invention is directed to compounds of formula (I): and salts thereof. The compounds of the invention are inhibitors of kinase activity, in particular PI3-kinase activity.
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What is claimed is: 1. A method of treating a disorder mediated by inappropriate PI3-kinase activity comprising administering an amount of a compound of formula (I): wherein R 1 is C 1-6 alkoxy or —N(C 1-6 alkyl) 2 , R 2 is hydrogen or C 1-6 alkyl optionally substituted by —C(O)OC 1-6 alkyl or —OC(O)C 1-6 alkyl, R 3 , R 4 , R 5 and R 6 are each independently selected from hydrogen and halogen; R 7 and R 8 are each independently C 1-6 alkyl, or R 7 and R 8 , together with the nitrogen atom to which they are attached, are linked to form a 5- or 6-membered heterocyclyl wherein the 5- or 6-membered heterocyclyl optionally contains a further nitrogen atom and is optionally substituted by C 3-6 cycloalkyl, 4- to 6-membered heterocyclyl containing one or two heteroatoms independently selected from oxygen and nitrogen, or C 1-6 alkyl wherein the C 1-6 alkyl is optionally substituted by hydroxy or C 1-6 alkoxy, or R 7 and R 8 , together with the nitrogen atom to which they are attached, are linked to form a 5- or 6-membered heterocyclyl wherein the 5- or 6-membered heterocyclyl contains an oxygen atom and is optionally substituted by one or two substituents independently selected from C 1-6 alkyl; or a pharmaceutically acceptable salt thereof, to a patient in need thereof, by inhibiting PI3-kinase activity and wherein said disorder mediated by inappropriate PI3-kinase activity is selected from the group consisting of asthma and COPD. 2. A method according to claim 1 wherein the disorder mediated by inappropriate PI3-kinase activity is asthma. 3. A method according to claim 1 wherein the disorder mediated by inappropriate PI3-kinase activity is COPD.
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