Poly-(n-[2-hydroxybenzyl])-1,2-diaminoethanes

Details Poly-(n-[2-hydroxybenzyl])-1,2-diaminoethanes Poly-(n-[2-hydroxybenzyl])-1,2-diaminoethanes

1991-05-11

1993-02-02

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

558414, 558420, 558422, 562435, 562448, 564306, 564367, C07C21550

Patent

active

051839407

ABSTRACT:
Gallium is efficiently extracted from strongly basic solutions containing aluminates by extractants having the tris- and/or tetrakis (2-hydroxybenzyl)-1,2-diaminoethane chemical moiety. The diaminoethane derivative may be used together with a hydrocarbyl 8-hydroxyquinoline and/or with a tertiary carboxylic acid.

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Pitt et al., Chemical Abstracts, vol. 90 (1979) 145712b.

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