Anti-tumour compounds containing quinazoline and tetrazole rings
申请人:ZENECA LIMITED
公开号:EP0562734B1
公开(公告)日:1995-12-20
US5955463A
申请人:——
公开号:US5955463A
公开(公告)日:1999-09-21
Quinazoline thymidylate synthase inhibitors
申请人:Zeneca Limited
公开号:US05955463A1
公开(公告)日:1999-09-21
The invention relates to quinazoline derivatives or pharceutically-acceptable salts thereof, which possess anti-tumor activity; to processes for their manufacture; and to pharmaceutical compositions containing them. The invention provides a quinazoline of the formula: ##STR1## wherein R.sup.1 is (1-4C)alkyl; the quinazoline ring may optionally bear one or two further substituents selected from halogeno, (1-4C)alkyl and (1-4C)alkoxy; R.sup.2 is hydrogen or (1-4C)alkyl; R.sup.3 includes hydrogen and (1-4C)alkyl; and Ar is optionally substituted phenylene or heterocyclene; or a pharmaceutically-acceptable salt or ester thereof.