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Photochemical reaction of diacyl peroxides with aromatic compounds. Effects of temperature and wavelength on the orientation of radical substitution
https://doi.org/10.18999/memfenu.33.2.209
https://doi.org/10.18999/memfenu.33.2.2090bd0687f-9e9a-4a42-9344-6255f840cc78
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-11-24 | |||||
タイトル | ||||||
タイトル | Photochemical reaction of diacyl peroxides with aromatic compounds. Effects of temperature and wavelength on the orientation of radical substitution | |||||
言語 | en | |||||
著者 |
Ogata, Yoshiro
× Ogata, Yoshiro× Tomizawa, Kohtaro× Furuta, Kyoji |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
抄録 | ||||||
内容記述 | The orientation in aromatic substitution of methyl and phenyl radicals generated in the decomposition of acyl peroxide under u. v. irradiation has been studied. Methyl radical, generated from acetyl peroxide, reacts with toluene to give xylenes, where their isomer distribution depends on both wavelength and temperature and is in the order of ortho > meta > para with 254nm light at 30℃, but the meta fraction increases with decreasing temperature leading to meta > ortho > para below ―50℃. On the other hand, the orientation with > 290nm light is the same as that for thermal dark reaction, and is almost independent of the temperature. The analogous photochemical methylation of anisole with acetyl peroxide and phenylation of toluene with benzoyl peroxide show little dependence on temperature and wavelength. Conceivable mechanisms for these reactions are discussed. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Faculty of Engineering, Nagoya University | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/memfenu.33.2.209 | |||||
ID登録タイプ | JaLC | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0027-7657 | |||||
書誌情報 |
en : Memoirs of the Faculty of Engineering, Nagoya University 巻 33, 号 2, p. 209-214, 発行日 1982-03-31 |
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著者版フラグ | ||||||
値 | publisher |