Crown ether compositions with sidearms affording enhanced cation

Details Crown ether compositions with sidearms affording enhanced cation Crown ether compositions with sidearms affording enhanced cation

1982-11-08

1984-10-02

Brust, Joseph Paul

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546268, 549352, 549353, C07D21514, C07D32300

Patent

active

044749635

ABSTRACT:
This invention relates to novel crown ether compositions which have been given the cognomen "lariat ethers". They have been designed with one or more arms bearing neutral donor groups capable of interacting with a complexed metal ion and thereby affording enhanced cation binding compared to simple crown ethers. Evidence of enhanced cation binding has been obtained and the compounds have also shown utility as phase transfer catalysts.

REFERENCES:
patent: 4139539 (1979-02-01), Chamberlin et al.
patent: 4256859 (1981-03-01), Woo
patent: 4290956 (1981-09-01), Sebag et al.
patent: 4297102 (1981-10-01), Vanlerberghe et al.
Jungk et al., J. Org. Chem., 48, (1983), pp. 1116-1120.

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