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Last Updated: March 22, 2025

Claims for Patent: 7,449,464

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Summary for Patent: 7,449,464

Title:	Phthalazinone derivatives
Abstract:	Compounds of the formula (I): ##STR00001## wherein A and B together represent an optionally substituted, fused aromatic ring; X can be NR.sup.X or CR.sup.XR.sup.Y; if X=NR.sup.X then n is 1 or 2 and if X=CR.sup.XR.sup.Y then n is 1; R.sup.X is selected from the group consisting of H, optionally substituted C.sub.1-20 alkyl, C.sub.5-20 aryl, C.sub.3-20 heterocyclyl, amido, thioamido, ester, acyl, and sulfonyl groups; R.sup.Y is selected from H, hydroxy, amino; or R.sup.X and R.sup.Y may together form a spiro-C.sub.3-7 cycloalkyl or heterocyclyl group; R.sup.C1 and R.sup.C2 are both hydrogen, or when X is CR.sup.XR.sup.Y, R.sup.C1, R.sup.C2, R.sup.X and R.sup.Y, together with the carbon atoms to which they are attached, may form an optionally substituted fused aromatic ring; and R.sup.1 is selected from H and halo.
Inventor(s):	Martin; Niall Morrison Barr (Cambridge, GB), Smith; Graeme Cameron (Cambridge, GB), Jackson; Stephen Philip (Cambridge, GB), Loh; Vincent Junior M (Horsham, GB), Cockcroft; Xiao-Ling Fan (Horsham, GB), Matthews; Ian Timothy Williams (Horsham, GB), Menear; Keith Allan (Horsham, GB), Kerrigan; Frank (Cornwall, GB), Ashworth; Alan (London, GB)
Assignee:	Kudos Pharmaceuticals Limited (Cambridge, GB) Maybridge Limited (Cornwall, GB)
Application Number:	10/876,080
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,449,464
Patent Claims:	1. A compound of formula (III): ##STR00441## or isomers, salts, or solvates thereof. 2. A pharmaceutical composition comprising a compound according to claim 1 and one or more pharmaceutically acceptable carriers, excipients, buffers, adjuvants, or stabilisers.

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