[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-6(5H)-ONE DERIVATIVES

The present invention provides a compound of Formula (I), wherein X is H or C1-C3 alkyl optionally substituted with hydroxyl; Y is H, hydroxy, or methyl; R is ethyl, n-propyl, cyclopropyl, or Formula (II); and A is methyl, cyclopropyl or trifluoromethyl; or a pharmaceutically acceptable salt thereof...

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Bibliographic Details
Main Authors SHI, Qing, MORPHY, John Richard, HOLLOWAY, William Glen, GENIN, Michael James, JOHNSTON, Richard Duane
Format Patent
LanguageEnglish
French
German
Published 22.12.2021
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 present invention provides a compound of Formula (I), wherein X is H or C1-C3 alkyl optionally substituted with hydroxyl; Y is H, hydroxy, or methyl; R is ethyl, n-propyl, cyclopropyl, or Formula (II); and A is methyl, cyclopropyl or trifluoromethyl; or a pharmaceutically acceptable salt thereof; with the proviso that when X and Y are both H and R is n-propyl, then A is other than methyl; for use as a human PDE1 inhibitor.
Bibliography:Application Number: EP20180752976