Functionalized metallonanobelt derivatives having quinoxaline scaffold prepared from a common precursor

[Display omitted] •A series of rigid bent ligands was efficiently synthesized by quinoxaline formation.•Quinoxaline-functionalized metallonanobelts were constructed by self-assembly.•Two kinds of template-bound metal complexes were selectively formed. Synthesis of functionalized pentamer metallonano...

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Bibliographic Details
Published in:Tetrahedron letters 2019-08, Vol.60 (31), p.2049-2053
Main Authors: Sakata, Yoko, Furukawa, Yoshiki, Akine, Shigehisa
Format: Article
Language:English
Subjects:
Macrocycle
Quinoxaline
Selective synthesis
Self-assembly
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Summary:[Display omitted] •A series of rigid bent ligands was efficiently synthesized by quinoxaline formation.•Quinoxaline-functionalized metallonanobelts were constructed by self-assembly.•Two kinds of template-bound metal complexes were selectively formed. Synthesis of functionalized pentamer metallonanobelts was accomplished by using a series of triptycene ligands, which were synthesized by quinoxaline formation from 2,3,6,7,14,15-hexaaminotriptycene (1) as a common precursor. It was also found that two kinds of template-bound metal complexes were selectively formed by changing the ratio of Pd2+/ligand.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2019.06.057