Crown ethers are heterocycles that, in their simplest form, are cyclic oligomers of dioxane.
The essential repeating unit of any simple crown ether is ethyleneoxy, ie,-CH2CH2O-, which …

A lot of attention is currently being paid to the transition to a biobased economy. In this
movement, most efforts concentrate on the development of bioenergy applications including …

Crown ethers are of enormous interest and importance in chemistry, biochemistry, materials
science, catalysis, separation, transport and encapsulated processes, as well as in the …

Lariat ethers are a variant of crown ethers that have pendant side arms. The original design
for these molecules included donor groups in the side arms that were envisioned to …

A new macrocyclic ligand, L was synthesized using the high dilution condition with
condensation of triethylene glycol diamine and terephtalaldehyde in ethanol. The obtained …

Abstract Endemic Sideritis dichotoma Huter, herbal tea, is used for colds, coughs and
digestive ailments. Since at least 25% of the active ingredients of pharmacological drugs are …

It is a challenge to recover lithium from the leaching solution of spent lithium-ion batteries,
and crown ethers are potential extractants due to their selectivity to alkali metal ions. The …

The synthesis of some thio-oxocrown ether ligands, B1 (1, 4-dithio-12-crown-4), B2 (1, 7-
dithio-12-crown-4), B3 (1, 7-dithio-15-Crown-5), B4 (1, 7-dithio-18-crown-6), B5 (1, 10-dithio …

A series of new compounds containing formyl and imine group were synthesized. New
formyl-substituted compounds were prepared by the reaction of 1, 2-bis (bromomethyl) …

This paper deals with the study of different degrees of association constants of Na+ and K+
ions with macrocycles of [12] crown-4,[15] crown-5,[18] crown-6, and Diaza [18] crown-6 in …