IP Library Granted Patent US 11,014,890
Granted Patent B2
US 11,014,890 · App. 16/402,314 · Granted May 25, 2021

Forms of (R)-N-(4-chlorophenyl)-2-(cis-4-(6-fluoroquinolin-4- yl)cyclohexyl)propanamide

Inventors: Dongxu Yi (Shenzhen, CN); Guobin Ren (Shenzhen, CN); Jian Ma (Shenzhen, CN); Shuhao Wen (Shenzhen, CN); Peiyu Zhang (Shenzhen, CN); Yang Liu (Shenzhen, CN); Xuekun Shi (Shenzhen, CN); Jiajun Huang (Shenzhen, CN); Yanqi Zhang (Shenzhen, CN); Shigang Ruan (Shenzhen, CN); Mingjun Yang (Shenzhen, CN); Guangxu Sun (Shenzhen, CN)
Assignee: SHENZHEN RENTAI PHARMATECH LTD
C07D215/18C07B2200/13
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Quick Facts
Patent No.
US 11,014,890
App. No.
16/402,314
Granted
May 25, 2021
Kind
B2
Abstract

Forms B and C of (R)—N-(4-chlorophenyl)-2-(cis-4-(6-fluoroquinolin-4-yl)cyclohexyl)propanamide are stable under the conditions of light, high temperature and high humidity.

Claims (21)

1. Form B of crystalline monohydrate (R)—N-(4-chlorophenyl)-2-(cis-4-(6-fluoroquinolin-4-yl)cyclohexyl)propanamide, wherein the Form B is a monoclinic crystal system, the space group is C2, the unit cell dimensions are a=25.358(9) Å, b=10.016(3) Å, c=8.788(3) Å, α=90°, β=91.57(2°), γ=90° and Z=4, and the unit cell volume is 2231.2(14) Å 3 , and a X-ray powder diffraction pattern mainly has the following characteristic peaks, wherein the X-ray powder diffraction pattern has the strongest peak when 2θ is 20.142±0.2, and has the second strongest peak when 2θ is 17.644±0.2,

Angle 2θ

 6.985 ± 0.2

 9.447 ± 0.2

12.398 ± 0.2

13.677 ± 0.2

17.171 ± 0.2

17.644 ± 0.2

18.985 ± 0.2

20.142 ± 0.2

21.118 ± 0.2

 21.62 ± 0.2

22.199 ± 0.2

24.173 ± 0.2

24.915 ± 0.2

26.828 ± 0.2

28.682 ± 0.2

30.418 ± 0.2

  31.46 ± 0.2.

2. The Form B according to claim 1 , wherein an DSC pattern has an endothermic peak at 109±2° C.;

and/or wherein there is a weight loss of between 4% and 4.2% in a TGA pattern of the Form B.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 26, 2024
From: SHENZHEN RENTAI PHARMATECH LTD
To: SHENZHEN JINGTAI TECHNOLOGY CO., LTD
Reel/Frame 068395/0203 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 3, 2019
From: YI, DONGXU; REN, GUOBIN; MA, JIAN; WEN, SHUHAO; ZHANG, PEIYU; LIU, YANG; SHI, XUEKUN; HUANG, JIAJUN; ZHANG, YANQI; RUAN, SHIGANG; YANG, MINGJUN; SUN, GUANGXU
To: SHENZHEN RENTAI PHARMATECH LTD
Reel/Frame 049084/0947 →
Continuity (2)
Continuation PCTCN2018093034 · Jun 27, 2018
Related Publication 20200002282A1 · Jan 2, 2020