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1. US20110071173 - IMIDAZOQUINAZOLINE DERIVATIVES AS ANAGRELIDE ANALOGUES FOR THE TREATMENT OF MYELOPROLIFIC DISEASES AND THROMBOTIC DISEASES

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United States of America
Application Number 12993054
Application Date 13.05.2009
Publication Number 20110071173
Publication Date 24.03.2011
Publication Kind A1
IPC
A61K 31/519
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
33Heterocyclic compounds
395having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
495having six-membered rings with two nitrogen atoms as the only ring hetero atoms, e.g. piperazine
505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
519ortho- or peri-condensed with heterocyclic rings
C07D 239/00
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
A61P 7/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
7Drugs for disorders of the blood or the extracellular fluid
Applicants Golding Bernard
Franklin Richard
Macleod Angus
Inventors Golding Bernard
Franklin Richard
Macleod Angus
Priority Data 0808944.3 16.05.2008 GB
Title
(EN) IMIDAZOQUINAZOLINE DERIVATIVES AS ANAGRELIDE ANALOGUES FOR THE TREATMENT OF MYELOPROLIFIC DISEASES AND THROMBOTIC DISEASES
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Abstract
(EN)

This invention relates to the discovery of substituted analogues of the selective platelet lowering agent anagrelide with reduced potential for cardiovascular side-effects which should lead to improved patient compliance and safety in the treatment of myeloproliferative diseases. More specifically, the present invention relates to certain imidazoquinazoline derivatives which have the general formula shown below wherein the substituents have the meanings defined in claim 1: and which have utility as platelet lowering agents in humans. The compounds of the present invention function by inhibiting megakaryocytopoeisis and hence the formation of blood platelets.
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