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カサシマ ヨシオ
YOSHIO KASASHIMA
笠嶋 義夫 所属 千葉工業大学 創造工学部 教育センター（創造工学部） 職種 教授 |
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| 言語種別 | 英語 |
| 発行・発表の年月 | 2017/11 |
| 形態種別 | 学術雑誌 |
| 査読 | 査読あり |
| 標題 | A Facile Synthesis of C2-Symmetric Macrocyclic Polyethers by Photodimerization of Covalently-linked Flavonoid Derivatives |
| 執筆形態 | 共著 |
| 掲載誌名 | Chemistry Letters |
| 掲載区分 | 国内 |
| 出版社・発行元 | The Chemical Society of Japan |
| 巻・号・頁 | 47(2),pp.160-162 |
| 著者・共著者 | Naohiro Uemura, Hiroki Ishikawa, Wataru Yoshida, Satoshi Katabira, Fumitoshi Yagishita, Yasushi Yoshida, Takashi Mino, Yoshio Kasashima, Masami Sakamoto |
| 概要 | C2-Symmetric cyclic polyethers were conveniently provided
by the photochemical dimerization of covalently-linked 2- chromonecarboxylic esters. Irradiation of polyethers possessing 2-chromonecarboxylate groups at both ends efficiently promoted intramolecular [2+2] cyclobutane formation leading to 14- to 23-membered cyclic polyethers in good chemical yields and quantum efficiencies. X-ray crystallographic analysis revealed that the stereochemistry of the cyclobutane was the C2- symmetric structure. |
| DOI | 10.1246/cl.170955 |
| ISSN | 1348-0715 |