Russian Nesting Doll Complexes of Molecular Baskets and Zinc Containing TPA Ligands

摘要: In this study, we examined the structural and electronic complementarities of convex 1–Zn(II), comprising functionalized tris(2-pyridylmethyl)amine (TPA) ligand, concave baskets 2 3, having glycine (S)-alanine amino acids at rim. With assistance 1H NMR spectroscopy mass spectrometry, found that basket would entrap 1–Zn(II) in water to give equimolar 1–Zn⊂2in complex (K = (2.0 ± 0.2) × 103 M–1) resembling Russian nesting dolls. Moreover, C3 symmetric enantiopure containing groups rim, was transfer its static chirality entrapped and, via intermolecular ionic contacts, twist ligand’s pyridine rings into a left-handed (M) propeller (circular dichroism spectroscopy). molecular embodying second coordination sphere about metal-containing TPAs, here described findings should be useful for extending catalytic function chiral discrimination capability TPAs.