	US 11,834,431 B2
	Crystals of cyclic amine derivative and pharmaceutical use thereof
Hirozumi Takahashi, Kanagawa (JP); Yoko Baba, Kanagawa (JP); Yasuhiro Morita, Kanagawa (JP); Katsuhiko Iseki, Shiga (JP); and Naoki Izumimoto, Kanagawa (JP)
Assigned to Toray Industries, Inc., Tokyo (JP)
Filed by Toray Industries, Inc., Tokyo (JP)
Filed on Feb. 10, 2021, as Appl. No. 17/172,240.
Application 17/172,240 is a division of application No. 16/326,580, granted, now 10,961,217, previously published as PCT/JP2017/030528, filed on Aug. 25, 2017.
Claims priority of application No. 2016-165437 (JP), filed on Aug. 26, 2016.
Prior Publication US 2021/0198236 A1, Jul. 1, 2021
Int. Cl. C07D 401/06 (2006.01)

CPC C07D 401/06 (2013.01) [C07B 2200/13 (2013.01)]

2 Claims

1. A crystal of ethane disulfonate of (S)-1-(4-(dimethylamino)piperidin-1-yl)-3-hydroxy-3-(1-methyl-1H-imidazol-2-yl)propan-1-one, having peaks at diffraction angles 2θ)(°) of 12.6±0.2, 16.0±0.2, 17.7±0.2, 18.5±0.2, and 21.3±0.2 in powder X-ray diffraction.