| abstract |
(57) [Summary] Formula (I) Wherein R is a C 3 -C 6 cycloalkyl group optionally substituted with a linear or branched C 1 -C 6 alkyl or arylalkyl group; R 1 is linear or branched C 1 -C 6 alkyl Edakusari, C 2 -C 4 alkenyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, arylalkyl, arylcarbonyl, aryloxy alkyl or arylalkenyl group, each of which optionally , Which may be further substituted as indicated herein) or a pharmaceutically acceptable salt thereof. The compounds are useful for the treatment of cancer, cell proliferative disorders, Alzheimer's disease, viral infections, autoimmune diseases or neurodegenerative disorders. |