Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
AssigneeDaicel Chemical Industries, Ltd.
InventorsHajime Namikoshi, Tohru Shibata, Ichiro Okamoto
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Abstract
Separation of a chemical substance is effected by treating a mixture thereof with a polysaccharide having a substituent for hydroxyl group an acyl group of the formula (1) or a carbamoyl group of the formula (2): ##STR1## wherein R represents an atomic group having a nucleus comprising a conjugated .pi.-bond system in which the number of bonds interposed between an atom contained therein and bonded with the carbonyl or amino group and an atom contained in the .pi.-bond system and most distant from said atom is at least 5 even in the shortest route.
Claims9
A method of separating a chemical substance from a mixture containing the same, which comprises the step of treating said mixture with cellulose tris-3-(3-pydridyl)acrylate.
A method effective for separating chemical substances from mixtures thereof and for separating optical isomers from mixtures thereof, which comprises the step of contacting said mixture, under conditions effective for chromatographic separation, with a chromatographic separating agent comprising cellulose tris-3-(3-pyridyl)acrylate.
Dependencies are inferred from the claim text.