Method of adsorbing subtances

Details Method of adsorbing subtances Method of adsorbing subtances

1987-03-17

1988-05-31

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210690, 210692, B01D 1500

Patent

active

047479566

ABSTRACT:
A method of adsorbing a substance such as an optically active substance, comprising contacting a solution of the substance in a solvent with an adsorbent consisting of a cross-linked polymer comprising an optically active, synthetic poly(amino acid) represent by the general formula (I): ##STR1## wherein R stands for an organic group, R' stands for hydrogen or an alkyl group an n is an integer of at least 5, which may be protected at a terminal amino group and a carrier polymer supporting said synthetic poly(amino acid) thereon, said carrier polymer having affinity for said solvent. A method for producing the cross-linked polymer is also described. The adsorbent is especially useful for optical resolution of racemic mixtures.

REFERENCES:
patent: 3948863 (1976-04-01), Akamatsu et al.
patent: 3966839 (1976-06-01), Sims
patent: 4105709 (1978-08-01), Iwami et al.
patent: 4469875 (1984-09-01), Busker et al.
patent: 4511475 (1985-04-01), Yuki et al.

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