Beilstein J. Org. Chem.2019,15, 1460–1467, doi:10.3762/bjoc.15.146
abovementioned preciousmetalchloridecomplexes. This is in contrast to the fact that the tetralactam macrocycle with anthracene as the sidewalls only show good binding affinities to AuCl4−. The superior binding to all three complexes may be due to the conformational diversity of the naphthalene-based
–guest chemistry; macrocycles; molecular recognition; preciousmetalchloridecomplexes; Introduction
Macrocyclic receptors are the major workhorses in supramolecular chemistry. Design and synthesis of new macrocyclic receptors with new properties is always attractive but is also challenging [1
fluorescent sensor to these preciousmetalchloridecomplexes.
Results and Discussion
Synthetic procedures for the preparation of macrocycles 1 and 2 are shown in Scheme 1. The diamine S3 was obtained by reacting the dibromide S2 [32] with hexamethylenetetramine and then treating the product with acid and
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Graphical Abstract
Scheme 1:
(a) Chemical structures of the reported tetralactam macrocycles with aromatic sidewalls; (b) synthe...