Chemistry Letters p. 431 - 434 (1983)
Update date:2022-08-04
Topics:
Inoue, Yoshihisa
Ouchi, Mikio
Hayama, Hidekazu
Hakushi, Tadao
The first members of dioxetanocrown ethers 3 and 4 were prepared in methylene blue-sensitized,photooxygenations of 9- and 18-membered stilbecrown ethers 1 and 2, and the activation paramethers for the thermolyses of 3 and 4 were obtained.Thermal decomposition of the bis-dioxetano-18-crown-6 4 was decelerated,or accelerated in the presence of alkali metal salts depending upon the nucleophilicity of the counter anion.
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