Last Updated: September 24, 2026

Details for Patent: RE42353


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Summary for Patent: RE42353
Title:Quinazoline derivatives and pharmaceutical compositions containing them
Abstract:The invention relates to quinazoline derivatives of formula (1) wherein m is an integer from 1 to 2; R1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, 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—, —NR7CO—, —CONR8—, —SO2NR9—, —NR10SO2— or —NR11— (wherein R7, R8, R9, R10 and R11 each independently represents hydrogen, C1-3alkyl or C1-3alkoxyC2-3alkyl); R4 represents an optionally substituted 5 or 6 membered saturated carbocyclic or heterocyclic group or a group which is alkenyl, alkynyl or optionally substituted alkyl, which alkyl group may contain a heteroatom linking group, which alkenyl, alkynyl or alkyl group may carry a terminal optionally substituted group selected from alkyl and a 5 or 6 membered saturated carbocyclic or heterocyclic group, and salts thereof; processes for their preparation, pharmaceutical compositions containing a compound of formula (I) or a pharmaceutically acceptable salt thereof as active ingredient. The compounds of formula (I) and pharmaceutically acceptable salts thereof inhibit the effects of VEGF, a property of value in the treatment of a number of disease states including cancer and rheumatoid arthritis.
Inventor(s):Andrew Peter Thomas, Craig Johnstone, Edward Clayton, Elaine Sophie Elizabeth Stokes, Jean-Jacques Marcel Lohmann, Laurent Francois Andre Hennequin
Assignee: Syngenta Ltd , Genzyme Corp
Application Number:US12/170,027
Patent Claim Types:
see list of patent claims
Use; Composition; Process;

Drugs Protected by US Patent RE42353

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: RE42353

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
96402033Sep 25, 1996
97401042May 09, 1997
PCT Information
PCT FiledSeptember 23, 1997PCT Application Number:PCT/GB97/02588
PCT Publication Date:April 02, 1998PCT Publication Number: WO98/13354

International Family Members for US Patent RE42353

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 228114 ⤷  Start Trial
Australia 4561397 ⤷  Start Trial
Australia 729968 ⤷  Start Trial
Brazil 9711302 ⤷  Start Trial
Canada 2263319 ⤷  Start Trial
Switzerland 0929530 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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