Molecular photoswitches based on spiro-acridans.
CHEMICAL COMMUNICATIONS(2013)
摘要
Thermally reversible photochromic spiro-acridans have been synthesized for the first time. They exhibit high ring opening efficiencies. As the formed zwitterions do not possess a merocyanine structure their lifetime is in the range of milliseconds to seconds. An observed side reaction can be avoided by suitable substitution of hydrogen atoms.
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关键词
molecular photoswitches,spiro-acridans
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