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

  • US 7,767,678 B2
  • Filed: 06/29/2006
  • Issued: 08/03/2010
  • Est. Priority Date: 07/01/2005
  • Status: Active Grant
First Claim
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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 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.

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