https://orcid.org/0000-0002-1383-1693
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ABSTRACT
Herein we report the successful synthesis and isolation of tiara[6]arene, a constitutional isomer of calix[6]arene consisting of six phenol units linked by para-substituted methylene bridges, from an isomeric mixture of asymmetrically substituted pillar[6]arene intermediates. Similar to its pentameric analogue, tiara[6]arene displays high conformational freedom in solution and rich polymorphism in the solid state. The establishment of the tiara[n]arene family (n = 5 and 6) further expands the scope of macrocyclic chemistry.
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Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This research work was financially supported by the Starry Night Science Fund of Zhejiang University Shanghai Institute for Advanced Study, Grant No. SN-ZJU-SIAS-006.
