Patent number: 6291455
Abstract: The invention relates to quinazoline derivatives of formula (I) (wherein: R1 represents hydrogen or methoxy; R2 represents methoxy, ethoxy, 2-methoxyethoxy, 3-methoxypropoxy, 2-ethoxyethoxy, trifluoromethoxy, 2,2,2-trifluoroethoxy, 2-hydroxyethoxy, 3-hydroxypropoxy, 2-(N,N-dimethylamino)ethoxy, 3-(N,N-dimethylamino)propoxy, 2-morpholinoethoxy, 3-morpholinopropoxy, 4-morpholinobutoxy, 2-piperidinoethoxy, 3-piperidinopropoxy, 4-piperidinobutoxy, 2-(piperazin-1-yl)ethoxy, 3-(piperazin-1-yl)propoxy, 4-(piperazin-1-yl)butoxy, 2-(4-methylpiperazin-1-yl)ethoxy, 3-(4methylpiperazin-1-yl)propoxy or 4-(4-methylpiperazin-1-yl)butoxy; the phenyl group bearing (R3)2 is selected from: 2-fluoro-5-hydroxyphenyl, 4-bromo-2-fluorophenyl, 2,4-difluorophenyl, 4-chloro-2-fluorophenyl, 2-fluoro-4-methylphenyl, 2-fluoro-4-methoxyphenyl, 4-bromo-3-hydroxyphenyl, 4-fluoro-3-hydroxyphenyl, 4-chloro-3-hydroxyphenyl, 3-hydroxy-4-methylphenyl, 3-hydroxy-4-methoxyphenyl and 4-cyano-2-fluorophenyl); and salts thereof, processes for their p
Type:
Grant
Filed:
September 8, 1998
Date of Patent:
September 18, 2001
Assignees:
Zeneca Limited, Zeneca Pharma S.A.
Inventors:
Andrew Peter Thomas, Craig Johnstone, Laurent Francois Andre Hennequin
Patent number: 6265411
Abstract: The invention relates to compounds of formula (I),
wherein:
R2 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino, nitro, C2-4alkanoyl, C1-4alkanoylamino, C1-4alkoxycarbonyl, C1-4alkylthio, C1-4alkylsulphinyl, C1-4alkylsulphonyl, carbamoyl, {overscore (N)}—C1-4alkylcarbamoyl, {overscore (N)},{overscore (N)}-di(C1-4alkyl)carbamoyl, aminosulphonyl, {overscore (N)}—C1-4alkylaminosulphonyl, {overscore (N)},{overscore (N)}-di(C1-4alkyl)aminosulphonyl, C1-4alkylsulphonylamino, or a group R4X1 wherein X1 represents a direct bond, C2-4alkanoyl, —CONR5R6—, —SO2NR7R8— or —SO2R9— (wherein R5 and R7, each independently represents hydrogen or C1-2alkyl and R6, R8 and R9 each independently represents C1-4alkyl and wherein R4 is linked to R6, R8 or R9) and R4 represents an optionally substituted group selected from phenyl and a 5 or 6-membered heterocyclic group; n is an integer from 0 to 4, R1 represents hydr
Type:
Grant
Filed:
November 6, 1998
Date of Patent:
July 24, 2001
Assignee:
Zeneca Limited
Inventors:
Andrew Peter Thomas, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Patrick Ple
Patent number: 6184225
Abstract: The invention relates to quinazoline derivatives of formula (I)
wherein: Z represents —O—, —NH— or —S—; m is an integer from 1 to 5; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluorometlyl, cyano, C1-3alkyl, C1-3alkoxy, C1-3alkylthio or NR5R6 (wherein R5 and R6, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, halogeno, methoxy, amino, or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X1 represents —O—, —CH2—, —S—, —SO—, SO2—, —NR6—, NR8CO—, —CONR9—SO2NR10— or —NR11SO2—, (wherein R7, R8, R9, R10 and R11 each represents C1-3alkyl, C1-3alkoxyC2-3alkyl); R4 represents a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group may contain a heteroatom linking group, which alkenyl, alkynyl or al
Type:
Grant
Filed:
August 13, 1998
Date of Patent:
February 6, 2001
Assignee:
Zeneca Limited
Inventors:
Andrew Peter Thomas, Craig Johnstone, Laurent Francois Andre Hennequin
Patent number: 6071921
Abstract: The invention relates to quinazoline derivatives of the formula: ##STR1## [wherein: Y.sup.1 represents --O--, --S--, --CH.sub.2 --, --SO--, --SO.sub.2 --, --NR.sup.5 CO--, --CONR.sup.6 --, --SO.sub.2 NR.sup.7 --, --NR.sup.8 SO.sub.2 -- or --NR.sup.9 -- (wherein R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each independently represents hydrogen, alkyl or alkoxyalkyl);R.sup.1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, alkyl, alkoxy, alkylthio, amino or alkylamino.R.sup.2 represents hydrogen, hydroxy, halogeno, alkyl, alkoxy, trifluoromethyl, cyano, amino or nitro;m is an integer from 1 to 5;R.sup.3 represents hydroxy, halogeno, alky, alkoxy, alkanoyloxy, trifluoromethyl, cyano, amino or nitro;R.sup.
Type:
Grant
Filed:
December 2, 1998
Date of Patent:
June 6, 2000
Assignees:
Zeneca Limited, Zeneca Pharma S.A.
Inventors:
Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Andrew Peter Thomas
Patent number: 5962458
Abstract: The invention relates to quinazoline derivatives of the formula: ##STR1## ?wherein: Y.sup.1 represents --O--, --S--, --CH.sub.2 --, --SO--, --SO.sub.2 --, --NR.sup.5 CO--, --CONR.sup.6 -, --SO.sub.2 NR.sup.7 -, --NR.sup.8 SO.sub.2 -- or --NR.sup.9 - (wherein R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each independently represents hydrogen, alkyl or alkoxyalkyl);R.sup.1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, alkyl, alkoxy, alkylthio, amino or alkylamino.R.sup.2 represents hydrogen, hydroxy, halogeno, alkyl, alkoxy, trifluoromethyl, cyano, amino or nitro;m is an integer from 1 to 5;R.sup.3 represents hydroxy, halogeno, alkyl, alkoxy, alkanoyloxy, trifluoromethyl, cyano, amino or nitro;R.sup.
Type:
Grant
Filed:
December 17, 1996
Date of Patent:
October 5, 1999
Assignees:
Zeneca Limited, Zeneca Pharma S.A.,
Inventors:
Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin, Andrew Peter Thomas