Journal
JOURNAL OF MEDICINAL CHEMISTRY
Volume 62, Issue 8, Pages 4218-4224Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.8b01041
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Funding
- Natural Science Foundation of China [21877134, 21572279, 81602955, 81703341]
- Science Foundation of Guangdong Province [2016A030310144]
- Guangdong Province Higher Vocational Colleges AMP
- Schools Pearl River Scholar Funded Scheme
- Guangzhou Pearl River New Star Fund Science and Technology Planning Project [2018060-10190]
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To identify phosphodiesterase-9 (PDE9) as a novel target for the treatment of vascular dementia (VaD), a series of pyrazolopyrimidinone analogues were discovered based on a hit 1. Hit-to-lead optimization resulted in a potent inhibitor 2 with excellent selectivity and physicochemical properties to enable in vivo studies. Oral administration of 2 (5.0 mg/kg) caused notable therapeutic effects in the VaD mouse model, providing a promising lead or chemical probe for investigating the biological functions of PDE9 inhibition.
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