期刊
CHEMICAL COMMUNICATIONS
卷 59, 期 20, 页码 2962-2965出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc06942c
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The development of visible or near-infrared (NIR) light-responsive fast photoswitchable molecules has attracted attention due to their non-invasive features for controlling physical and chemical properties of materials and biological tissues. A new molecular design was proposed to enhance the thermal back-reaction of a negative photochromic molecule, BN-ImD. Additionally, a novel photoreaction product with a unique eight-membered ring structure was generated by irradiating a BN-ImD derivative with visible light, providing intriguing insights for the future development of fast negative photochromic molecules.
The development of visible or near-infrared (NIR) light-responsive fast photoswitchable molecules for the real-time, non-contact control of physical and chemical properties has received increased attention because of the non-invasive features to materials and biological tissues. We report a new molecular design to accelerate the thermal back-reaction of the negative photochromic binaphthyl-bridged imidazole dimer, BN-ImD. We also found that irradiation of the BN-ImD derivative with methyl groups on the bridging binaphthyl unit with visible light produced an unprecedented photoreaction product with a unique eight-membered ring structure. These observations provide fascinating clues for the future development of fast negative photochromic molecules.
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