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2. cis‐Linked Cyclotetraphenylenes: Synthesis, Structures and Fluorescence Properties.

Author

Zou, Bo, Li, Jian‐An, Zhai, Zhaofen, Yu, Taoxing, Liu, Haoran, Huang, Jieqing, He, Huowang, Xu, Bingjia, and Jiang, Hua‐Wei

Subjects
FLUORESCENCE, STRAIN energy, SINGLE crystals, X-ray diffraction
Abstract

cis‐Linked cyclotetraphenylene dimer [2]c‐CTPE and trimer [3]c‐CTPE were synthesized via Pt‐mediated cyclization of cis‐diboronated tetraphenylethene. The structure of [2]c‐CTPE has been confirmed by single crystal X‐ray diffraction. The strain energy of [2]c‐CTPE and [3]c‐CTPE was calculated to be 86.28 ⋅ kJ mol−1 and 9.23 kJ ⋅ mol−1, respectively. [2]c‐CTPE and [3]c‐CTPE are typical AIEgens and show mechanofluorochromic properties. The comparisons of cis‐linked cyclotetraphenylenes with gem‐linked cyclotetraphenylenes were also discussed. [ABSTRACT FROM AUTHOR]

Published
2024
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