The synthesis of a novel host blocked in the cone conformation and bearing m-methoxycarbonylbenzyl groups at the lower rim is described. X-ray crystal structure analysis revealed that action of one molecule of compoun...
We are grateful to the National Natural Science Foundation of China(29872034);the Natural Science Foundation of Henan Province for the financial support.
Three functional substituted crown ethers were synthesized as liquid membrane transport carriers for amino acids. The result obtained shows that this kind of ditopic ligands can transport sodium salt of amino acids in...
A new calix[4]arene derivative, 5,11,17,23 tetra tert butyl 25,27 dihydroxy 26,28 bis[2 (methoxycarbonyl)benzyloxy]calix[4]arene was synthesized. The X ray crystal structure of the title compound has been determined. ...