Alkali metal ion effect on the photochro
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Michinori Takeshita; Chai Fong Soong; Masahiro Irie
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Article
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1998
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Elsevier Science
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French
⚖ 210 KB
The photocyclization quantum yield of 1,2-bis(2,4-dimethylthien-3yl)perfluorocyclopentene having two benzo-15-crown-5 ethers was decreased by the addition of potassium and rubidium perchlorates, and the decrease is ascribed to the increase of the photoinactive parallel conformation ratio by the intr