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Generated: December 18, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,414,148

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Summary for Patent: 6,414,148

Title: Quinazoline derivatives and pharmaceutical compositions containing them
Abstract:The invention relates to quinazoline derivatives of formula (1) ##STR1## wherein m is an integer from 1 to 2; R.sup.1 represents hydrogen, hydroxy, halogeno, nitro, trifluoromethyl, cyano, C.sub.1-3 alkyl, C.sub.1-3 alkoxy, C.sub.1-3 alkylthio, or --NR.sup.5 R.sup.6 (wherein R.sup.5 and R.sup.6, which may be the same or different, each represents hydrogen or C.sub.1-3 alkyl); R.sup.2 represents hydrogen, hydroxy, halogeno, methoxy, amino or nitro; R.sup.3 represents hydroxy, halogeno, C.sub.1-3 alkyl, C.sub.1-3 alkoxy, C.sub.1-3 alkanoyloxy, trifluoromethyl, cyano, amino or nitro; X.sup.1 represents --O--, --CH.sub.2 --, --S--, --SO--, --SO.sub.2 --, --NR.sup.7 CO--, --CONR.sup.8 --, --SO.sub.2 NR.sup.9 --, --NR.sup.10 SO.sub.2 -- or --NR.sup.11 -- (wherein R.sup.7, R.sup.8, R.sup.9, R.sup.10 and R.sup.11 each independently represents hydrogen, C.sub.1-3 alkyl or C.sub.1-3 alkoxyC.sub.2-3 alkyl); R.sup.4 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): Thomas; Andrew Peter (Macclesfield, GB), Johnstone; Craig (Macclesfield, GB), Clayton; Edward (Macclesfield, GB), Stokes; Elaine Sophie Elizabeth (Macclesfield, GB), Lohmann; Jean-Jacques Marcel (Reims Cedex, FR), Hennequin; Laurent Francois Andre (Reims Cedex, FR)
Assignee: Zeneca Limited (London, GB) Zeneca Pharma S.A. (Cedex, FR)
Application Number:09/269,595
Patent Claim Types:
see list of patent claims
Compound; Process; Composition; Use;

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Foreign Priority and PCT Information for Patent: 6,414,148

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 Patent Family for Patent: 6,414,148

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Taiwan520364► Subscribe
Turkey9900674► Subscribe
Slovakia283175► Subscribe
Slovakia38999► Subscribe
Slovenia929530► Subscribe
Russian Federation2198879► Subscribe
Portugal929530► Subscribe
Poland190326► Subscribe
Poland332385► Subscribe
New Zealand334014► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Argus Health
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Cantor Fitzgerald
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