C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 303/28 (2006.01) C07C 227/32 (2006.01) C07C 229/08 (2006.01) C07C 229/36 (2006.01) C07C 247/12 (2006.01) C07C 309/66 (2006.01) C07C 309/73 (2006.01)
Patent
CA 2065395
Abstract A process for the production of enantiomer-pure .alpha.- hydroxypropionaldehyde derivatives of general formula I (I), Image in which R1 means substituent Q, which represents a hydrocarbon radical optionally interrupted by oxygen atoms, carbonyloxy groups, nitrogen atoms and/or resonance-stabilized imido groups and/or thio groups and/or substituted by halogen atoms or a grouping resulting by hydrolysis of Q containing hydroxy groups, carbonyl groups or carboxyl groups, and R2 symbolizes an alkanesulfonyl group with up to 6 carbon atoms, a trifluoromethanesulfonyl group, a benzenesulfonyl group or a p-toluenesulfonyl group, is described.
Mulzer Johann
Schroeder Fridjof
Marks & Clerk
Schering Aktiengesellschaft
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