Resolving agent

Details Resolving agent Resolving agent

1986-01-21

1986-12-09

Adee, John

Liquid purification or separation

Processes

Chromatography

2101982, 2105021, 502402, B01B 1508

Patent

active

046279199

ABSTRACT:
A racemic mixture can be optically resolved by liquid chromatography, using a packing of the compound: ##STR1## wherein at least one group selected from among Y.sup.1, Y.sup.2 and Y.sup.3 represents silica gel and/or a siloxane bond moiety therewith and others represent each a hydrogen atom, an alkyl group having one to 20 carbon atoms, an aryl group having six to 20 carbon atoms, an arylalkyl group having seven to 20 carbon atoms, a halogen atom, a hydroxyl group, an alkoxy group having one to 20 carbon atoms or a combination thereof; X represents a spacer having one to 20 carbon atoms; and R represents a metallic slat of optically active t-leucine or tryptophane.

REFERENCES:
patent: 4431546 (1984-02-01), Hughes et al.
patent: 4511475 (1985-04-01), Yuki
patent: 4512898 (1985-04-01), Oi et al.
patent: 4551245 (1985-11-01), Ramsden
patent: 4565877 (1986-01-01), Wada et al.

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