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- W4322757345 abstract "Abstract Double helicenes are appealing chiral frameworks. Their π‐extension is desirable to achieve (chir)optical response in the visible and near‐infrared (NIR) region, but access to higher double [ n ]helicenes ( n ≥8) has remained challenging. Herein, we report an unprecedented π‐extended double [9]helicene ( D9H ), unambiguously revealing its structure by single‐crystal X‐ray diffraction. D9H shows remarkable NIR emission from 750 to 1100 nm with a high photoluminescence quantum yield of 18 %. In addition, optically pure D9H exhibits panchromatic circular dichroism with a notable dissymmetry factor ( g CD ) of 0.019 at 590 nm, which is among the highest in the visible region for reported helicenes." @default.
- W4322757345 created "2023-03-03" @default.
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- W4322757345 date "2023-03-22" @default.
- W4322757345 modified "2023-09-26" @default.
- W4322757345 title "Synthesis of a π‐Extended Double [9]Helicene" @default.
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- W4322757345 doi "https://doi.org/10.1002/anie.202218494" @default.
- W4322757345 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36861254" @default.
- W4322757345 hasPublicationYear "2023" @default.
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