DIHYDROPYRAZOLOPYRIMIDINONE DERIVATIVE

The invention relates to compounds of a general formula (I): wherein Ar 1 is an optionally-substituted aryl or heteroaromatic group; R 1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having...

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Main Authors HIROSHI HIRAI, HIDETOMO FURUYAMA, TOSHIHIDE NISHIBATA, SACHIE OTSUKI, FUYUKI YAMAMOTO, KENJI NIIYAMA, TAKASHI YOSHIZUMI, YASUHIRO GOTO, TAKESHI SAGARA, MAKOTO BAMBA, KEIJI TAKAHASHI, TOSHIHIRO SAKAMOTO, SATOSHI SUNAMI
Format Patent
LanguageEnglish
Portuguese
Published 03.01.2017
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:The invention relates to compounds of a general formula (I): wherein Ar 1 is an optionally-substituted aryl or heteroaromatic group; R 1 is an optionally-substituted lower alkyl, lower alkenyl, lower alkynyl or cyclo-lower alkyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R 2 is a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group, or is an aryl, aralkyl or heteroaromatic group optionally having a substituent; R 3 is a hydrogen atom or a lower alkyl group; R 4 is a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a group of -N(R 1k )R 1m ; T and U are a nitrogen atom or a methine group, etc. The compounds of the invention have excellent Weel kinase-inhibitory effect and are therefore useful in the field of medicines, especially treatment of various cancers.
Bibliography:Application Number: PT20070742851T