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ESR studies of the alkali metal complexes of verdazyl-labeled benzo-15-crown-5

โœ Scribed by Kazuo Mukai; Tomoshi Yano; Kazuhiko Ishizu


Publisher
Elsevier Science
Year
1981
Tongue
French
Weight
247 KB
Volume
22
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


A verdazyl derivative of benzo-15-crown-5 (1) has been prepared, and the complex formation between the spin labeled crown ether (1) and the alkali metal salts has been studied by ESR spectroscopy.


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Alkali metal ion effect on the photochro
โœ Michinori Takeshita; Chai Fong Soong; Masahiro Irie ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 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