The present invention relates to O-GIcNAc hydrolase (OGA) inhibitors having the structure shown in formula (I). The invention is also directed to pharmaceutical compositions comprising such compounds to processes for preparing such compounds and compositions, and to the use of such compounds and compositions for the prevention and treatment of disorders in which inhibition of OGA is beneficial, such as tauopathies, in particular Alzheimer's disease or progressive supranuclear palsy; and neurodegenerative diseases accompanied by a tau pathology, in particular amyotrophic lateral sclerosis or frontotemporal lobe dementia caused by C90RF72 mutations. wherein RB is an aromatic heterobicyclic radical selected from the group consisting of (b-1) to (b-6).
The present invention provides a compound of Formula I: wherein R is H or F; or a pharmaceutically acceptable salt thereof, and the use of compounds of Formula I for treatment of neurodegenerative diseases, such as Alzheimer's disease.
本发明提供了一种式 I 的化合物:其中 R 是 H 或 F;或其药学上可接受的盐;以及式 I 化合物用于治疗神经退行性疾病(如阿尔茨海默病)的用途。
1,2,4-triazines in organic synthesis. 8. Intramolecular diels-alder reaction of 5-acyl-1,2,4-triazineoxime ethers. New route of synthesis of alkylhetarylketones