Moiety for selective separation

Details Moiety for selective separation Moiety for selective separation

1988-01-25

1990-02-13

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549353, C07D32300

Patent

active

049008455

ABSTRACT:
New C-substituted crown ethers such as ##STR1## are made by reacting a 1,2-diol (chain length m+4) with ClCH.sub.2 --(CH.sub.2 --O--CH.sub.2 --).sub.n+1 CH.sub.2 Cl.
These compounds have a stronger affinity for secondary amines than for tertiary amines and therefore may be used to separate mixtures, especially when attached to polysiloxane backbones or substrates via their unsaturated bond.

REFERENCES:
patent: 4474963 (1984-10-01), Gokel

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