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US 6,639,103 B1Granted
3-oxopropane-1-sulphonic acids and sulphonates
AssigneeDsm N.V.
InventorsHans Wijnberg, Kees Pouwer, Jose Nieuwenhuijzen, Ton Rene Vries
Life of this patent
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Abstract
The invention relates to 1,3-disubstituted-3-oxopropane-1-sulfonic acids and sulfonates and enantiomerically inriched forms thereof. The invention further relates to the use of these enantiomerically inriched compounds to resolve mixtures of enantiomers, in particular mixtures of enantiomers of amino-functionalized compounds.
Claims15
A compound of formula I or a salt thereof:
- wherein each of R1 and R2 is a substituted or a non-substituted aryl group optionally containing one or more heteroatoms wherein said compound of formula I has an enantiomeric excess (ee) >80%.
Dependencies are inferred from the claim text.