The Photolysis of Cyclopentanone

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概要

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• The 326.1 nm direct photolysis and the cadmium-photosensitized reactions of cyclopentanone have been compared in order to clarify the role of the triplet state of cyclopentanone in the photolysis. The products observed in the both photolyses were carbon monoxide, ethylene, cyclobutane, and 4-pentenal. The results obtained in the direct photolysis were very similar to those obtained in the cadmium photosensitization. The ethylene/cyclobutane ratio was not affected by the pressure and temperature changes. The 4-pentenal/CO ratio increased with a decrease in the temperature. These similarities suggest that the decomposition of cyclopentanone takes place through the lowest triplet state in both the photolyses. The efficiency of cyclopentanone in quenching triplet cadmium was found to be about 0.8 times that of <I>cis</I>-2-butene.

• 公益社団法人 日本化学会の論文

著者

• Sato Shin

  Department Of Chemistry School Of Science The University Of Tokyo

• Takahashi Chiharu

  Department Of Applied Physics Faculty Of Engineering Nagoya University:musashino Electrical Communication Laboratory Ntt

• Tsunashima Shigeru

  Department of Electrical Engineering and Computer Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

• Ohsawa Osamu

  Department of Applied Physics, Tokyo Institute of Technology

• Tsunashima Shigeru

  Department of Applied Physics, Tokyo Institute of Technology

• Sato Shin

  Department of Applied Physics, Tokyo Institute of Technology

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