Claims for Patent: 10,407,393
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Summary for Patent: 10,407,393
| Title: | High-purity quinoline derivative and method for manufacturing same |
| Abstract: | Provided is a compound represented by formula (IV) or a salt thereof, wherein the content of the compound represented by formula (I) is 350 ppm by mass or less. ##STR00001## |
| Inventor(s): | Nakamura; Taiju (Kamisu, JP), Abe; Taichi (Kamisu, JP), Miyashita; Yusuke (Kamisu, JP), Kuroda; Hirofumi (Kamisu, JP), Ayata; Yusuke (Kamisu, JP), Akao; Atsushi (Kamisu, JP) |
| Assignee: | Eisai R&D Management Co., Ltd. (Tokyo, JP) |
| Application Number: | 16/229,805 |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for patent 10,407,393 |
| Patent Claims: |
1. A methanesulfonate salt of a compound represented by formula (IV), wherein the content of a compound represented by formula (I) is 183 ppm by mass or less
##STR00046##
2. The methanesulfonate salt of a compound represented by formula (IV) according to claim 1, wherein the content of the methanesulfonate salt of a compound represented by formula (IV) is 98.0% by mass or more. 3. The methanesulfonate salt of a compound represented by formula (IV) according to claim 1, wherein the content of the compound represented by formula (I) is determined by HPLC. |
