A process for the production of a .beta.-aminoalcohol 2-[3(S)-amino-2(R)-hydroxy-4-phenylbutyl]-N-tert.butyl-decahydro-(4aS,8aS) -isoquinoline-3(S)-carboxamide of the formula ##STR1## via the oxazolidinone corresponding to the aminoalcohol 10, as well as intermediates occurring in this process.
Isoindole compounds which are useful as intermediates
申请人:Hoffmann-La Roche Inc.
公开号:US05495025A1
公开(公告)日:1996-02-27
The compound of the formula, ##STR1## wherein R.sup.4 is hydrogen, lower-alkanoyl or benzyloxycarbonyl and R.sup.2 is lower-alkyl or acid-addition salts thereof, useful as intermediates in the production of beta-aminoalcohols.
Intermediates in the production beta aminoalcohols
申请人:Hoffmann-La Roche Inc.
公开号:US05516930A1
公开(公告)日:1996-05-14
Acid esters of formula, ##STR1## wherein R2 is lower-alkyl, or acid-addition salts thereof useful as intermediates in the production of beta-aminoalcohols.
Process for producing .beta.-aminoalcohols compounds
申请人:Hoffmann-La Roche Inc.
公开号:US05578730A1
公开(公告)日:1996-11-26
A process for the production of a .beta.-aminoalcohol 2-[3(S)-amino-2-hydroxy-4-phenylbutyl]-N-tert.butyl-decahydro-(4aS,8aS)-is oquinoline-3(S)-carboxamide of the formula ##STR1## via the oxazolidinone corresponding to the aminoalcohol 10 which process comprises refluxing a sulphonic acid ester with a carboxamide in the presence of a base and a solvent.