COMPOSITIONS AND METHODS FOR CYCLOFRUCTANS AS SEPARATION AGENTS
The present invention relates to derivatized cyclofructan compounds, compositions comprising derivatized cyclofructan compounds, and methods of using compositions comprising derivatized cyclofructan compounds for chromatographic separations of chemical species, including enantiomers. Said compositions may comprise a solid support and/or polymers comprising derivatized cyclofructan compounds.
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Page/Page column 45-49; 63
(2010/12/31)
Process for the resolution of homocysteine-thiolactone
The present invention relates to a process for the preparation of enantiomerically pure homocysteine-γ-thiolactone comprising optical resolution of racemic homocysteine-γ-thiolactone (I) with a chiral organic acid wherein one isomer is recovered as diastereomeric salt with the organic acid and the other isomer remaining in the mother liquor is submitted to racemisation with a catalytic amount of an aromatic aldehyde and submitted again to optical resolution with the same chiral organic acid.
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Page/Page column 5
(2008/12/08)
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