US 12,312,327 B2
Crystal of 1,3,5-triazine derivative or solvate thereof and method for producing same
Hiroyuki Kai, Osaka (JP); and Yuki Murakami, Osaka (JP)
Assigned to SHIONOGI & CO., LTD., Osaka (JP)
Appl. No. 17/761,498
Filed by Shionogi & Co., Ltd., Osaka (JP)
PCT Filed Sep. 18, 2020, PCT No. PCT/JP2020/035378
§ 371(c)(1), (2) Date Mar. 17, 2022,
PCT Pub. No. WO2021/054421, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 2019-170340 (JP), filed on Sep. 19, 2019; and application No. 2020-122749 (JP), filed on Jul. 17, 2020.
Prior Publication US 2022/0396561 A1, Dec. 15, 2022
Int. Cl. C07D 401/12 (2006.01)
CPC C07D 401/12 (2013.01) [C07B 2200/05 (2013.01); C07B 2200/13 (2013.01)] 8 Claims
 
1. An anhydrous crystal Form I of a compound represented by Formula (I),

OG Complex Work Unit Chemistry
having, in a powder X-ray diffraction spectrum, characteristic peaks at:
diffraction angles (2θ) of 15.8°±0.2°, 19.4°±0.2°, 21.7°±0.2°, 23.9°±0.2°, and 25.4°±0.2°; or
diffraction angles (2θ) of 7.9°±0.2°, 9.3°±0.2°, 12.9°±0.2°, 15.8°±0.2°, and 19.4°±0.2°.