Claims for Patent: 7,772,243

Summary for Patent: 7,772,243

Title:	4-phenylamino-quinazolin-6-yl-amides
Abstract:	This invention provides quinazoline compounds of the formula: wherein: R1 is halo; R2 is H or halo; R3 is a) C1-C3 alkyl, optionally substituted by halo; or b) —(CH2)n-morpholino, —(CH2)n-piperidine, —(CH2)n-piperazine, —(CH2)n—-piperazine-N(C1-C3 alkyl), —(CH2)n-pyrrolidine, or —(CH2)n-imidazole; n is 1 to 4; R4 is —(CH2)m-Het; Het is morpholine, piperidine, piperazine, piperazine-N(C1-C3 alkyl), imidazole, pyrrolidine, azepane, 3,4-dihydro-2H-pyridine, or 3,6-dihydro-2H-pyridine, each optionally substituted by alkyl, halo, OH, NH2, NH(C1-C3 alkyl) or N (C1-C3 alkyl)2; m is 1-3; and X is O, S or NH; or a pharmaceutically acceptable salt thereof, as well as processes and intermediate compounds for making them, useful pharmaceutical compositions and methods of using the compounds in the treatment of proliferative diseases.
Inventor(s):	Stephen Alan Fakhoury, Helen Tsenwhei Lee, Jessica Elizabeth Reed, Kevin Matthew Schlosser, Karen Elaine Sexton, Haile Tecle, Roy Thomas Winters
Assignee:	Warner Lambert Co LLC
Application Number:	US11/122,345
Patent Claims:	1. A compound of the formula: or a pharmaceutically acceptable salt thereof, wherein: R3 is C1-C3 straight or branched alkyl, optionally substituted by one or more halogens; R5 and R6 are each independently selected from H, C1-C3 alkyl, F, Br, I and Cl; X O, S or NH; and the dashed lines designated a and b each indicate an optional double bond, with the proviso that the optional double bond a and the optional double bond b may not both exist in one compound. 2. A compound according to claim 1, wherein X is O and R3 is C1-C3 straight or branched alkyl optionally substituted by from 1 to 3 halogen atoms, or a pharmaceutically acceptable salt thereof. 3. A compound, which is selected from the following group of compounds: 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methylsulfanyl-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methylamino-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-isopropoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-bromo-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-ethoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-propoxy-quinazolin-6-yl]-amide; 4-(4-Fluoro-piperidin-1-yl)-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-(3-Fluoro-piperidin-1-yl)-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-(2-Fluoro-piperidin-1-yl)-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-trifluoromethoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-fluoromethoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-fluoroethoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-(2-fluoro-ethylsulfanyl)-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-trifluoroethoxy-quinazolin-6-yl]-amide; 4-Piperidin-1 -yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-difluoroethoxy-quinazolin-6-yl]-amide; 4-(3,4-Dihydro-2H-pyridin-1 -yl)-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]amide; 4-(3,6-Dihydro-2H-pyridin-1 -yl)-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]amide; 4-(3,4-Dihydro-2H-pyridin-1-yl)-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-ethoxy-quinazolin-6-yl]amide; 4-(3,4-Dihydro-2H-pyridin-1-yl)-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-fluoroethoxy-quinazolin-6-yl]amide; 4-(3,6-Dihydro-2H-pyridin-1-yl)-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-fluoroethoxy-quinazolin-6-yl]amide; and a pharmaceutically acceptable salt of any of the aforementioned compounds. 4. A pharmaceutical composition comprising: a pharmaceutically effective amount of a compound as defined in claim 1, or a pharmaceutically acceptable salt thereof; and a pharmaceutically acceptable carrier. 5. A pharmaceutical composition comprising: a pharmaceutically effective amount of 4-Piperidin-1-yl-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier. 6. A compound which is 4-Piperidin-1-yl-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide or a pharmaceutically acceptable salt thereof. 7. A compound which is selected from the following group of compounds: 4-Morpholin-4-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-Azepan-1-yl-but-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-(3-morpholin-4-yl-propoxy)-quinazolin-6-yl]-amide; 4-Piperidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-(2-piperidin-1-yl-ethoxy)-quinazolin-6-yl]-amide; 4-Piperazin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]amide; 4-(4-Methyl-piperazin-1-yl )-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]amide; 4-Imidazol-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]amide; 4-Pyrrolidin-1-yl-but-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methylsulfanyl-quinazolin-6-yl]-amide; 5-Piperidin--yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methylamino-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-isopropoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-bromo-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-ethoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-propoxy-quinazolin-6-yl]-amide; 5-(4-Fluoro-piperidin-1-yl)-pent-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-(3-Fluoro-piperidin-1-yl)-pent-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-(2-Fluoro-piperidin-1-yl)-pent-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-Morpholin-4-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-Azepan-1-yl-pent-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-trifluoromethoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-fluoromethoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-fluoroethoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-(2-fluoro-ethylsulfanyl)-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-trifluoroethoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-difluoroethoxy-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-(3-morpholin-4-yl-propoxy)-quinazolin-6-yl]-amide; 5-Piperidin-1-yl-pent-2-enoic acid [4(3-chloro-4-fluoro-phenylamino)-7-(2-piperidin-1-yl-ethoxy)-quinazolin-6-yl]-amide; 6-Piperidin-1-yl-hex-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinazolin-6-yl]-amide; 6-Piperidin-1-yl-hex-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methylsulfanyl-quinazolin-6-yl]-amide; 6-Piperidin-1-yl-hex-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-methylamino-quinazolin-6-yl]-amide; 6-Piperidin-1-yl-hex-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-ethoxy-quinazolin-6-yl]-amide; 6-Piperidin-1-yl-hex-2-enoic acid [4-(3-chloro-4-fluoro-phenylamino)-7-fluoroethoxy-quinazolin-6-yl]-amide; and a pharmaceutically acceptable salt of any of the aforementioned compounds. 8. A compound which is or a pharmaceutically acceptable salt thereof. 9. A pharmaceutical composition comprising a compound which is or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.