The invention relates to compounds of formula
wherein R
1
, R
2
, R
3
, R
4
, X and Y are as defined herein and to pharmaceutically active acid addition salts thereof.
The compounds can be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.
Steric aspects of the intramolecular cyclisation of 2-arylcyclohexylacetic acids. Part V
作者:Shlomo Bien、Uri Michael
DOI:10.1039/j39680002151
日期:——
The conversion of different 2-(2,5-xylyl)cyclohexylidene compounds (III) into cis- and trans-2-(2,5-xylyl)cyclohexylacetic acids (I) and (II) is described and the steric factors governing the distribution of the cis- and trans-isomers formed in the reaction are discussed.
The invention relates to compounds of formula
wherein R1, R2, R3, R4, X and Y are as defined herein and to pharmaceutically active acid addition salts thereof. The compounds can be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.