Macrocyclic polyether complexes

Details Macrocyclic polyether complexes Macrocyclic polyether complexes

C - Chemistry, Metallurgy

07

D

260/373.1, 260/3

C07D 323/00 (2006.01) C07F 3/00 (2006.01)

Patent

CA 1111050

ABSTRACT Complexes between (1) a disulphonate of formula Image (X is barium or strontium and R1 is a bivalent group derived from an alkane by removal of two hydrogen atoms) and (2) a macrocyclic polyether compatible with a barium or a strontium ion. Also claimed is a process for isolating such macrocyclic polyethers in high yield from a solution containing them, by reaction with a disulphonate of the said formula to pre- cipitate the said complex, separating the complex and extracting the separated complex with a solvent for the macrocyclic polyether.

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