C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/72 (2006.01) C07D 233/76 (2006.01)
Patent
CA 2208129
Process for the preparation of chiral, nonracemic (4-aryl-2,5-dioxoimidazo- lidin- 1-yl)acetic acids The present invention relates to a process for the preparation of chiral, nonracemic compounds of the formula I Image in which R1 and R2 have the meanings indicated in claim 1 and which are useful intermediates for the preparation of pharmaceutical active compounds in which, for resolution, a salt is formed from the racemic compound of the formula I and a chiral, nonracemic amino compound. It furthermore relates to compounds of the formula I and esters thereof.
Beck Gerhard
Holla Wolfgang
Kammermeier Bernhard
Kulitzscher Berndt
Michalowsky Jurgen
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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