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- Title
A Strap Strategy for Construction of an Excited-State Intramolecular Proton Transfer (ESIPT) System with Dual Fluorescence.
- Authors
Suzuki, Naoya; Fukazawa, Aiko; Nagura, Kazuhiko; Saito, Shohei; Kitoh‐Nishioka, Hirotaka; Yokogawa, Daisuke; Irle, Stephan; Yamaguchi, Shigehiro
- Abstract
An amine-embedded flexible alkyl strap has been incorporated into an emissive boryl-substituted dithienylpyrrole skeleton as a new entity of excited-state intramolecular proton transfer (ESIPT) chromophores. The n-electron system shows a dual emission, which covers a wide range of the visible region depending on the solvent polarity. The incorporation of the aminoalkyl strap as well as the terminal boryl groups efficiently stabilize the zwitterionic excited-state species resulting from the ESIPT even in an aqueous medium.
- Subjects
INTRAMOLECULAR catalysis; PROTON transfer reactions; CHROMOPHORES; POLYZWITTERIONS; BORENES
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 31, p8231
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201404867