Hydrogen-Bonding Interactions Trigger Induction of Chirality via Formation of a Cyclic Dimer.
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DOI: 10.1021/acs.inorgchem.1c03362
Abstract: A rationalization for the chirality transfer mechanism in the supramolecular host-guest assemblies of an achiral Zn(II) porphyrin dimer (host) and a series of chiral diamines and diamino esters (substrates) via cyclic dimer formation has been… read more here.
Keywords: host guest; hydrogen bonding; cyclic dimer; formation ... See more keywords
Metallosupramolecules of Pillar[5]arene with Two Flexible Thiopyridyl Arms: A Heterochiral Cyclic Dimer and Organic Guest-Assisted Homochiral Poly-Pseudo-Rotaxanes.
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DOI: 10.1021/acs.inorgchem.2c00514
Abstract: The formation of a cyclic dimer complex (1) and a poly-pseudo-rotaxane (2) of a racemic A1/A2-thiopyridyl pillar[5]arene (rac-L) with different chirality is reported. A one-pot reaction of rac-L with HgCl2 afforded a heterochiral cyclic dimer… read more here.
Keywords: poly pseudo; poly; cyclic dimer; pillar arene ... See more keywords
Syntheses, crystal structures, and magnetic properties of cyclic dimer Ln2L2 complexes constructed from (3-pyridinylmethoxy)phenyl-substituted nitronyl nitroxide ligands
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DOI: 10.1039/c7ra06310e
Abstract: Herein, five lanthanide-radical cyclic dimer complexes [Ln(hfac)3(NIT-3PyPh)]2 derived from (3-pyridinylmethoxy)phenyl-substituted nitronyl nitroxide ligands, 2-(4-(3-pyridinylmethoxy)phenyl)-4,4,5,5-tetramethyl-imidazolyl-1-oxyl-3-oxide (NIT-3PyPh), and Ln(hfac)3 (LnIII = Gd (1), Tb (2), Dy (3), Ho (4), and Er (5); hfac = hexafluoroacetylacetonato), were synthesized… read more here.
Keywords: nitronyl nitroxide; cyclic dimer; substituted nitronyl; pyridinylmethoxy phenyl ... See more keywords