[EN] METHOD FOR OBTAINING AN OPTICALLY PURE 1,2,3,4 TETRAHYDRO-ISOQUINOLINE DERIVATIVE [FR] PROCÉDÉ D'OBTENTION D'UN DÉRIVÉ DE 1,2,3,4-TÉTRAHYDRO-ISOQUINOLÉINE OPTIQUEMENT PUR
[EN] TRISUBSTITUTED 3,4-DIHYDRO-1H-ISOQUINOLIN COMPOUND, PROCESS FOR ITS PREPARATION, AND ITS USE<br/>[FR] COMPOSÉ 3,4-DIHYDRO-1H-ISOQUINOLÉINE TRISUBSTITUÉE, MÉTHODE DE PRÉPARATION, ET SON UTILISATION
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2009083903A1
公开(公告)日:2009-07-09
The present invention relates to the compound of formula (7*)acetate (see below), a process for its preparation, and its use.
PROCESS FOR THE PREPARATION OF AN ENANTIOMERIC TRISUBSTITUTED 3,4-DIHYDRO-ISOQUINOLINE DERIVATIVE
申请人:Bappert Erhard
公开号:US20100305325A1
公开(公告)日:2010-12-02
The present invention relates to a process for the preparation of the compound of formula (7) which process comprises the hydrogenation of the compound of formula (4) using bis[chloro-1,5-cyclooctadiene-iridium], (S)-i-dicyclohexylphosphino-2-[(S)-α-(dimethylamino)-2-(dicyclohexylphosphino)benzyl]-ferrocene as a catalyst.
[EN] PROCESS FOR THE PREPARATION OF AN ENANTIOMERICALLY PURE TRISUBSTITUTED 1,2,3,4-TETRAHYDROISOQUINOLINE DERIVATIVE<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION D'UN DÉRIVÉ TRISUBSTITUÉ ÉNANTIOMÉRIQUEMENT PUR DE LA 1,2,3,4-TÉTRAHYDROISOQUINOLINE
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2011001373A1
公开(公告)日:2011-01-06
The present invention relates to a process for the preparation of the compound of formula 7, which process comprises: the asymmetric transfer hydrogenation of the compound of formula 4 * HX: wherein HX is as decribed in the description; in the presence of an optically active Noyori- type transfer hydrogenation catalyst, at a substrate to catalyst ratio of more than 100:1 mol equivalent; a reducing agent; and a solvent; to obtain the compound of formula 7.