Selective Synthesis of [2]Rotaxane Orientational Isomers With Precisely Arranged Luminogens: Toward Orientation-Dependent Emissions for Information Storage and Encryption.

Chao Chen, Jing-Lin Song, Xue Li, Wei-Tao Xu, Xiao-Qin Xu, Yu-Ying Sun, Xu-Qing Wang, Hai-Bo Yang, Wei Wang

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Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

9 authors.

Chao ChenSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.

Jing-Lin SongSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.

Xue LiSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.

Wei-Tao XuSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.

Xiao-Qin XuSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.

Yu-Ying SunSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.

Xu-Qing WangFaculty of Chemical Engineering and Energy Technology, Shanghai Institute of Technology, Shanghai, China.ORCID https://orcid.org/0009-0001-6346-3171

Hai-Bo YangSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.ORCID https://orcid.org/0000-0003-4926-1618

Wei WangSchool of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.ORCID https://orcid.org/0009-0002-8549-6123

Funding

National Key R&D Program of China 2021YFA1501600National Natural Science Foundation of China 22201077National Natural Science Foundation of China 22471076National Natural Science Foundation of China 92356307Shanghai Pilot Program for Basic Research TQ20240205

6 · The paper itself

Abstract

Aiming at the precise synthesis of rotaxane orientational isomers and the further elucidation of attractive orientation effects, a novel steric hindrance-controlled selective stopper exchange approach has been successfully developed. This method enables the facile and selective synthesis of six pairs of [2]rotaxane orientational isomers with precisely arranged luminogens, greatly enriching both the structural and functional diversity of such isomers. Notably, the resulting orientational isomers exhibit orientation-dependent emission behaviors, particularly in wavelengths, photoluminescence quantum yields, and circularly polarized luminescence (CPL) performances, endowing them with great potential for information storage and encryption. This proof-of-concept study provides not only a practical and efficient strategy for the efficient synthesis of rotaxane orientational isomers, but also a novel platform for constructing chiral luminescent materials with desired properties for wide applications.

Indexed as

circularly polarized luminescencemechanically interlocked moleculesorientational isomerspillar[5]arenesrotaxanes

Identifiers

PMID42272225

DOI10.1002/anie.3759413

PMCPMC13452544

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.