Femtosecond dynamics of photocyclization of 1-[(4-{5-[4-chloromethyl-2,5-dimethyl-3-thienyl]-2-oxo-1,3-dioxol-4-yl}-2,5-dimethyl-3-thienyl)methyl]pyridinium chloride |
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| Authors: | S M Aldoshin E A Yur’eva N A Sanina M M Krayushkin D V Tsyganov F E Gostev I V Shelaev O M Sarkisov V A Nadtochenko |
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| Institution: | 1.Institute of Problems of Chemical Physics,Russian Academy of Sciences,Chernogolovka, Moscow Region,Russian Federation;2.N. D. Zelinsky Institute of Organic Chemistry,Russian Academy of Sciences,Moscow,Russian Federation;3.N. N. Semenov Institute of Chemical Physics,Russian Academy of Sciences,Moscow,Russian Federation |
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| Abstract: | The photochromic ring closure in diarylethylene was studied by femtosecond laser spectroscopy. The absorption spectrum of the initial excited state under pulse excitation at 305 nm was observed. The kinetic scheme of transitions from the initial excited state to the closed-ring isomer as the final product is proposed. |
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