IP Library Granted Patent US 10,689,359
Granted Patent B2
US 10,689,359 · App. 16/065,884 · Granted Jun 23, 2020

Crystals of quinazoline derivative and preparation method therefor

Inventors: Chutian Shu (Jinan, CN); Jinyuan Wang (Jinan, CN); Zhenhua Wang (Jinan, CN); Yuzhen Feng (Jinan, CN)
Assignee: Xuanzhu Pharma Co., Ltd.
C07D401/12A61K31/517A61K31/519A61P11/00A61P13/08A61P17/00A61P35/00C07B2200/13
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Quick Facts
Patent No.
US 10,689,359
App. No.
16/065,884
Granted
Jun 23, 2020
Kind
B2
Abstract

The invention relates to Crystal form I, Crystal form II and Crystal form III of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by the following Formula (I), and preparation methods thereof, wherein the Crystal form I has an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 6.7±0.2°, 7.9±0.2°, 8.6±0.2°, 12.0±0.2°, 13.9±0.2°, 15.9±0.2°, 17.3±0.2°, 18.3±0.2°, 18.7±0.2°, 21.0±0.2°, and 23.0±0.2°, as determined by using Cu-Kα radiation; the Crystal form II has an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 6.9±0.2°, 8.5±0.2°, 14.8±0.2°, 15.6±0.2°, 16.7±0.2°, 17.1±0.2°, 17.9±0.2°, 18.7±0.2°, 19.1±0.2°, 21.5±0.2°, 23.5±0.2°, and 25.7±0.2°, as determined by using Cu-Kα radiation; and the Crystal form III has an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 4.9±0.2°, 6.1±0.2°, 7.4±0.2°, 11.4±0.2°, 12.2±0.2°, 16.6±0.2°, and 18.4±0.2°, as determined by using Cu-Kα radiation.

Claims (23)

1. Crystal form I of N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by Formula (I), wherein the Crystal form I exhibits an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 6.7±0.2°, 7.9±0.2°, 8.6±0.2°, 12.0±0.2°, 13.9±0.2°, 15.9±0.2°, 17.3±0.2°, 18.3±0.2°, 18.7±0.2°, 21.0±0.2°, and 23.0±0.2°, as determined by using Cu-Kα radiation,

2. The Crystal form I according to claim 1 , wherein the X-ray powder diffraction pattern further has characteristic peaks at the 2θ positions of 16.2±0.2°, 23.0±0.2°, 23.4±0.2°, 25.3±0.2°, 26.0±0.2°, 26.5±0.2°, 27.7±0.2°, and 28.0±0.2°, as determined by using Cu-Kα radiation.

3. The Crystal form I according to claim 2 , wherein the X-ray powder diffraction pattern further has characteristic peaks at the 2θ positions of 13.6±0.2°, 21.5±0.2°, 21.9±0.2°, and 32.2±0.2°, as determined by using Cu-Kα radiation.

4. The Crystal form I according to claim 1 , which exhibits a DSC thermogram having an endothermic conversion peak at 75-150° C., and a maximum endothermic conversion temperature of 113-114° C.

5. The Crystal form I according to claim 1 , which is a hydrate having a water content of 2.5%-4%.

6. The Crystal form I according to claim 1 , which is a monohydrate.

7. A method for preparing the Crystal form I according to claim 1 , comprising the following steps: N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide is dissolved in a lower nitrile organic solvent or in a mixed solvent of a lower ester organic solvent and a lower alcohol organic solvent, and then subjected to addition of a poor solvent or recrystallization to produce a crystal, and then the crystal is subjected to filtration and drying to obtain Crystal form I.

8. The method according to claim 7 , wherein the lower nitrile organic solvent is acetonitrile; the lower ester organic solvent is ethyl acetate or ethyl formate; the lower alcohol organic solvent is selected from the group consisting of methanol, ethanol and isopropanol; and the poor solvent is selected from water and/or n-heptane.

9. Crystal form II of quinazoline derivative N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by Formula (I), wherein the Crystal form II exhibits a X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 6.9±0.2°, 8.5±0.2°, 11.6±0.2°, 14.0±0.2°, 14.8±0.2°, 15.6±0.2°, 16.0±0.2°, 16.7±0.2°, 17.1±0.2°, 17.3±0.2°, 17.9±0.2°, 18.7±0.2°, 19.1±0.2°, 19.7±0.2°, 20.6±0.2°, 21.5±0.2°, 22.1±0.2°, 22.4±0.2°, 23.5±0.2°, 24.5±0.2°, 25.7±0.2°, 26.1±0.2°, 28.3±0.2°, 28.6±0.2°, 31.7±0.2° and 34.6±0.2°, as determined by using Cu-Kα radiation,

10. The Crystal form II according to claim 9 , which exhibits a DSC thermogram having an endothermic conversion peak at 75-169° C., and a maximum endothermic conversion temperature of 123-124° C.

11. The Crystal form II according to claim 9 , which is a hydrate having a water content of 3%-4%.

12. The Crystal form II according to claim 9 , which is a monohydrate.

13. A method for preparing the Crystal form II according to claim 9 , comprising the following steps: N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide is dissolved in a lower ester organic solvent, an aromatic hydrocarbon organic solvent, or a mixed solvent of a lower ester organic solvent and a lower alcohol organic solvent, and then subjected to addition of a poor solvent or recrystallization to produce a crystal, and then the crystal is subjected to filtration and drying to obtain Crystal form II;

wherein the lower ester organic solvent is selected from the group consisting of ethyl acetate, ethyl formate, methyl acetate and isopropyl acetate; the aromatic hydrocarbon organic solvent is toluene; the lower alcohol organic solvent is selected from the group consisting of methanol, ethanol and isopropanol; and the poor solvent is water.

14. Crystal form III of N-(4-((3-chloro-4-fluorophenyl)amino)-74(7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide represented by Formula (I), wherein the Crystal form III exhibits an X-ray powder diffraction pattern having characteristic peaks at the 2θ positions of 4.9±0.2°, 6.1±0.2°, 7.4±0.2°, 9.2±0.2°, 11.2±0.2°, 11.4±0.2°, 12.2±0.2°, 13.4±0.2°, 14.8±0.2°, 16.6±0.2°, 18.4±0.2°, 19.2±0.2°, 20.4±0.2°, 20.8±0.2°, 22.4±0.2°, 23.2±0.2°, 23.8±0.2°, 25.7±0.2°, 27.5±0.2° and 30.1±0.2°, as determined by using Cu-Kα radiation,

15. The Crystal form III according to claim 14 , which exhibits a DSC thermogram having an endothermic conversion peak at 50-125° C., and a maximum endothermic conversion temperature of 96-97° C.

16. The Crystal form III according to claim 14 , which is a hydrate having a water content of 2.5%-4%.

17. The Crystal form III according to claim 14 , which is a monohydrate.

18. A method for preparing the Crystal form III according to claim 14 , comprising the following steps: N-(4-(3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide is subjected to recrystallization using a lower alcohol organic solvent or a lower halo hydrocarbon organic solvent to produce a solid, and then the solid is subjected to filtration and drying to obtain Crystal form III;

wherein the lower alcohol organic solvent is selected from the group consisting of methanol, ethanol and isopropanol; and the lower halo hydrocarbon organic solvent is dichloromethane.

19. A method for preparing the Crystal form III according to claim 14 , comprising the following steps: N-(4-((3-chloro-4-fluorophenyl)amino)-7-((7-methyl-7-azaspiro[3.5]nonan-2-yl)methoxy)quinazolin-6-yl)acrylamide is dissolved in a lower ketone organic solvent, and then subjected to addition of an alicyclic hydrocarbon organic solvent dropwise to produce a solid, and then the solid is subjected to filtration and drying to obtain Crystal form III;

wherein the lower ketone organic solvent is selected from the group consisting of acetone and butanone; and the alicyclic hydrocarbon organic solvent is selected from the group consisting of cyclopentane and cyclohexane.

20. A pharmaceutical formulation, comprising the Crystal form I according to claim 1 , and one or more pharmaceutically acceptable carriers and/or diluents.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 19, 2018
From: SHU, CHUTIAN; WANG, JINYUAN; WANG, ZHENHUA; FENG, YUZHEN
To: XUANZHU PHARMA CO., LTD.
Reel/Frame 047238/0331 →
Priority Claims (3)
CN 2015 1 0997569 · Dec 25, 2015 · national
CN 2015 1 0999065 · Dec 25, 2015 · national
CN 2015 1 0999109 · Dec 25, 2015 · national
Continuity (1)
Related Publication 20190002434A1 · Jan 3, 2019
Cited By (3)
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