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Last Updated: June 18, 2024

Claims for Patent: 10,550,098

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Summary for Patent: 10,550,098

Title:	Pyridin-2(1H)-one quinolinone derivatives as mutant-isocitrate dehydrogenase inhibitors
Abstract:	The invention relates to inhibitors of mutant isocitrate dehydrogenase (mt-IDH) proteins with neomorphic activity useful in the treatment of cell-proliferation disorders and cancers, having the Formula:
Inventor(s):	Lin Jian, Ericsson Anna, Campbell Ann-Marie, Gustafson Gary, Wang Zhongguo, Diebold R. Bruce, Ashwell Susan, Lancia, Jr. David R., Caravella Justin Andrew, Lu Wei
Assignee:	Forma Therapeutics, Inc.
Application Number:	US16290240
Patent Claims:	2. The composition of claim 1 , wherein the process further comprises obtaining Intermediate III-1 from 5-fluoro-6-oxo-1 claim 1 ,6-dihydropyridine-2-carbonitrile.3. The composition of claim 2 , wherein the process further comprises obtaining 5-fluoro-6-oxo-1 claim 2 ,6-dihydropyridine-2-carbonitrile from 6-cyano-3-fluoropyridin-2-yl acetate.4. The composition of claim 3 , wherein the process further comprises obtaining 6-cyano-3-fluoropyridin-2-yl acetate from 2-cyano-5-fluoropyridine-1-oxide.5. The composition of claim 4 , wherein the process further comprises obtaining 2-cyano-5-fluoropyridine-1-oxide from 5-fluoropicolinonitrile.6. The composition of claim 1 , wherein the process further comprises obtaining Intermediate II-1 claim 1 , or a salt thereof claim 1 , from (R)—N—((S)-1-(2 claim 1 ,6-dichloroquinolin-3-yl)ethyl)-2-methylpropane-2-sulfinamide.7. The composition of claim 6 , wherein the process further comprises obtaining (R)—N—((S)-1-(2 claim 6 ,6-dichloroquinolin-3-yl)ethyl)-2-methylpropane-2-sulfinamide from (R claim 6 ,E)-N-((2 claim 6 ,6-dichloroquinolin-3-yl)methylene)-2-methylpropane-2-sulfinamide.8. The composition of claim 7 , wherein the process further comprises obtaining (R claim 7 ,E)-N-((2 claim 7 ,6-dichloroquinolin-3-yl)methylene)-2-methylpropane-2-sulfinamide from 2 claim 7 ,6-dichloroquinoline-3-carbaldehyde.17. The method of claim 10 , wherein the suitable methylating agent is MeI.18. The method of claim 11 , wherein the suitable base is KCO.19. The method of claim 13 , wherein the suitable oxidizing agent is m-CPBA.20. The method of claim 14 , wherein the suitable acid is HCl.22. The composition of comprising Compound I-13 and Intermediate II-1 or a salt thereof.23. The composition of comprising Compound I-13 and Intermediate III-1.24. The composition of comprising Compound I-13 claim 21 , Intermediate II-1 or a salt thereof claim 21 , and Intermediate III-1.25. The composition of claim 21 , wherein Compound I-13 is obtained by a process comprising a step of reacting Intermediate II-1 or a salt thereof and Intermediate III-1.

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