C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/10 (2006.01)
Patent
CA 2756529
The invention relates to a method for chromatographically separating compounds of the formula (I), where R1, R2, R3, R4, R5, and R6 have the meanings indicated in Claim 1, and the acid addition salts thereof, characterized in that the separating takes place on a chiral ion exchanger material.
L'invention concerne un procédé de séparation chromatographique de composés de formule (I), dans laquelle R1, R2, R3, R4, R5 et R6 ont les significations données dans la revendication 1, ainsi que les sels d'addition d'acide de tels composés. L'invention est caractérisée en ce que ladite séparation se produit sur une matière d'échange d'ions chirale.
Helmreich Matthias
Hoffmann Christian
Laemmerhofer Michael
Lindner Wolfgang
Niesert Claus-Peter
Fetherstonhaugh & Co.
Merck Patent Gmbh
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