| US 7,569,577 B2 | ||
| Quinazoline derivatives as tyrosine kinase inhibitors | ||
| Laurent Francois Andre Hennequin, Reims (France); and Christopher Thomas Halsall, Macclesfield (United Kingdom) | ||
| Assigned to Astrazeneca AB, Sodertalje (Sweden) | ||
| Appl. No. 10/573,090 PCT Filed Sep. 13, 2004, PCT No. PCT/GB2004/003923 § 371(c)(1), (2), (4) Date Mar. 15, 2006, PCT Pub. No. WO2005/026150, PCT Pub. Date Mar. 24, 2005. |
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| Claims priority of application No. 0321620.7 (GB), filed on Sep. 16, 2003; and application No. 0406163.6 (GB), filed on Mar. 19, 2004. | ||
| Prior Publication US 2007/0043009 A1, Feb. 22, 2007 | ||
| Int. Cl. A61K 31/517 (2006.01); C07D 239/94 (2006.01) | ||
| U.S. Cl. 514—266.22 [544/293] | 18 Claims |
| 1. A compound which is (2S)-1-[4-({4-[3-chloro-2-fluoroanilino]-6-methoxyquinazolin-7-yl}oxy)piperidin-1-yl]-1-oxopropan-2-ol, or a pharmaceutically acceptable salt, or a pharmaceutically acceptable ester thereof. |