Self-assembled Porphyrin-based Cage Complexes, M11L6 (M = ZnII, CdII), with Inner Coordination Sites in Their Crystal Structure
نویسندگان
چکیده
منابع مشابه
Symmetry breaking in self-assembled M4L6 cage complexes.
Here we describe the phenomenon of symmetry breaking within a series of M4L6 container molecules. These containers were synthesized using planar rigid bis-bidentate ligands based on 2,6-substituted naphthalene, anthracene, or anthraquinone spacers and Fe(II) ions. The planarity of the ligand spacer favors a stereochemical configuration in which each cage contains two metal centers of opposite h...
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Cavity-directed chemical transformations represent one of the most important features in 3-D host chemistry, yet they are unexplored as synthetic receptors. We are developing such functions with the large cavity of self-assembled cages, particularly an M6L4-type cage. The photodimerization of olefins within this cage shows remarkable rate enhancement, perfect regioand stereoselection, and high ...
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Porphyrins appended with four rigid hydrogen bonding motifs on the meso positions were synthesized and self-assembled into a cofacial cage with four complementary bis(decyl)melamine units in dry solvents. The hydrocarbon chains on the melamine mediate the formation of nanofilms on surfaces as the solvent slowly evaporates.
متن کاملTemplate Synthesis of Macrocyclic Complexes of Bivalent CoII, NiII, PdII,ZnII and CdII Ions with Cyclic Glyoxal Carbohydrazone (1,2,4,5,8,9,11,12-octaazacyclotetradeca- 5,7,12,14-tetraene-3,10-dione)
Cyclic glyoxalcarbohydrazone[(1,2,4,5,8,9,11,12-octaazacyclotetradeca-5,7,12,14tetraene-3,10-dione) = (glyozalcarbzH)2] complexes of Ni II, PdII, CoII, ZnII and CdII of composition M (glyoxalcarbzH)2X2nH2O (M = Ni II, PdII, CoII,ZnII or CdII and X = Cl> , 1/2 SO4 -2 and n = 0,1 or 4) have been isolated by refluxing appropriate metal salts with glyoxal and carbohydrazide in requisite proportion ...
متن کاملSequence-selective recognition of peptides within the single binding pocket of a self-assembled coordination cage.
The single binding pocket of a self-assembled Pd6L4 coordination cage recognizes oligopeptides in a highly sequence-selective fashion. In particular, the Trp-Trp-Ala sequence is strongly bound by the cavity (Ka >/=106 M-1). Tripeptides possessing the same residues but in different sequences (i.e., Trp-Ala-Trp and Ala-Trp-Trp) show much poorer affinity. Even singly mutated tripeptides with aroma...
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ژورنال
عنوان ژورنال: Chemistry Letters
سال: 2020
ISSN: 0366-7022,1348-0715
DOI: 10.1246/cl.190943