Crystalline forms of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile and methods of preparing the same
View Patent ↗This invention is directed to a crystalline 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile monohydrate having an x-ray diffraction pattern wherein 2θ angles (°) of significant peaks are at about: 9.19, 11.48, 14.32, 19.16, 19.45, 20.46, 21.29, 22.33, 23.96, 24.95, 25.29, 25.84, 26.55, 27.61, and 29.51, and a transition temperature of about 109° C. to about 115° C.
1. An isolated crystalline form of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile monohydrate, having an x-ray diffraction pattern wherein at least one of the 2θ angles (°) of the significant peaks is at about 7.62, 9.89, 10.49, 14.19, 15.24, 16.08, 16.76, 18.46, 21.79, 23.16, 24.88, 26.36, 27.40, 28.28 or 28.76.
2. The isolated crystalline form of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile monohydrate of claim 1 , having an x-ray diffraction pattern wherein 2θ angles (°) of significant peaks are at about 7.62, 9.89, 10.49, 14.19, 15.24, 16.08, 16.76, 18.46, 21.79, 23.16, 24.88, 26.36, 27.40, 28.28 and 28.76.
3. A pharmaceutical composition comprising a therapeutically effective amount of a crystalline form of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile monohydrate which has an x-ray diffraction pattern substantially as shown in FIG. 5 , wherein more than 50% by weight of the crystalline form present is said crystalline form, and a pharmaceutically acceptable carrier.
4. The composition of claim 3 , further comprising acetic acid.
5. The composition of claim 3 , further comprising a detergent.
6. The composition of claim 3 , further comprising about 0.5% to about 5.0% by weight of a detergent and about 0.01% to about 0.1% by weight acetic acid.
7. The composition of claim 3 , further comprising about 2.0% by weight detergent and about 0.06% by weight acetic acid.
8. The composition of claim 3 , wherein the pharmaceutically acceptable carrier is selected from a sugar, a polyol and cellulose, or a combination thereof
9. The composition of claim 8 , wherein the pharmaceutically acceptable carrier is a polyol and cellulose.
10. The composition of claim 9 , wherein the polyol is selected from mannitol, sorbitol and xylitol.
11. The composition of claim 10 , wherein the polyol is mannitol.
12. The composition of claim 11 , wherein the crystalline form of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile monohydrate, the mannitol and the cellulose are individually present in amounts of about 20 to about 50 percent by weight.
13. An isolated crystalline form of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile monohydrate having an x-ray diffraction pattern substantially as shown in FIG. 5 .