A new tetra-N-substituted tetraazacrown ether derivative, 4,7,13,16-tetra(2-cyanobenzyl)-1,10-dioxa-4,7,13,16-tetraazacyclooctadecane, C 44H 48N 8O 2, has been synthesized and structurally characterized. It cr...A new tetra-N-substituted tetraazacrown ether derivative, 4,7,13,16-tetra(2-cyanobenzyl)-1,10-dioxa-4,7,13,16-tetraazacyclooctadecane, C 44H 48N 8O 2, has been synthesized and structurally characterized. It crystallizes in the monoclinic system, space group P2 1/c with a=1.1176(3) nm, b=2.1906(7) nm, c=0.8430(3) nm, V=2.0132(10) nm 3, β=102.740(5)°, Z=4, D c=1.189 g/cm 3, final R 1=0.0460, wR 2=0.0803. The liquid membrane transports of alkali metal cations using the new macrocycle as the ion-carrier were also studied. Compared with some macrocyclic ligands, our newly synthesized ligand showed a good selectivity ratio for Na +/Li +.展开更多
基金theMunicipalNaturalScienceFoundationofBeijing (No .2 0 2 2 0 11)
文摘A new tetra-N-substituted tetraazacrown ether derivative, 4,7,13,16-tetra(2-cyanobenzyl)-1,10-dioxa-4,7,13,16-tetraazacyclooctadecane, C 44H 48N 8O 2, has been synthesized and structurally characterized. It crystallizes in the monoclinic system, space group P2 1/c with a=1.1176(3) nm, b=2.1906(7) nm, c=0.8430(3) nm, V=2.0132(10) nm 3, β=102.740(5)°, Z=4, D c=1.189 g/cm 3, final R 1=0.0460, wR 2=0.0803. The liquid membrane transports of alkali metal cations using the new macrocycle as the ion-carrier were also studied. Compared with some macrocyclic ligands, our newly synthesized ligand showed a good selectivity ratio for Na +/Li +.
