GB9603095D0 — Quinazoline derivatives
Assigned to Syngenta Ltd · Expires 1996-04-10 · 30y expired
What this patent protects
The invention concerns quinazoline derivatives of the formula I wherein X<SUP>1 </SUP>is a direct link or a group such as CO, C(R<SUP>2</SUP>)<SUB>2 </SUB>and CH(OR<SUP>2</SUP>); wherein Q<SUP>1 </SUP>is phenyl, naphthyl…
USPTO Abstract
The invention concerns quinazoline derivatives of the formula I wherein X<SUP>1 </SUP>is a direct link or a group such as CO, C(R<SUP>2</SUP>)<SUB>2 </SUB>and CH(OR<SUP>2</SUP>); wherein Q<SUP>1 </SUP>is phenyl, naphthyl or a 5- or 6-membered heteroaryl moiety and Q<SUP>1 </SUP>optionally bears up to 3 substituents; wherein m is 1 or 2 and each R<SUP>1 </SUP>may be a group such as hydrogen, halogeno and trifluoromethyl; and wherein Q<SUP>2 </SUP>may be phenyl or a 9- or 10-membered bicyclic heterocyclic moiety and Q<SUP>2 </SUP>optionally bears up to 3 substituents; or a pharmaceutically-acceptable salt thereof; processes for their preparation, pharmaceutical compositions containing them and the use of their receptor tyrosine kinase inhibitory properties in the treatment of proliferative disease such as cancer.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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