円偏波マイクロ波によるキラリティ制御の合成化学的研究

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Author: 山田, 徹ほか

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Publication date: 2016

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Note (General)：: type:text円偏波マイクロ波の効果を調べた。無照射, 右旋・左旋照射で反応し, ケトン還元の不斉収率を調べた。光学活性な触媒反応に12.4 GHz円偏波マイクロ波を照射すると, 右旋条件の不斉収率は無照射より向上し, 左旋条件では低下した。一方, ラセミ触媒反応の 2.45GHz/50W円偏波...

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Material Type: 文書・図像類
Title: 円偏波マイクロ波によるキラリティ制御の合成化学的研究
Author/Editor: 山田, 徹
今枝, 健一
Author Heading: 山田, 徹
今枝, 健一
Publication Date: 2016
Publication Date (W3CDTF): 2016
Alternative Title: エンヘンパマイクロハニヨルキラリティセイギョノゴウセイカガクテキケンキュウ
Enhenpa maikuroha ni yoru kirariti seigyo no gosei kagakuteki kenkyu
Synthetic study on chirality control with circular polarized microwave
Periodical title: 科学研究費補助金研究成果報告書
Text Language Code: jpn
eng
Subject Heading: キラリティ,マイクロ波,円偏波,不斉還元,軸不斉,触媒的不斉合成反応
Target Audience: 一般
Note (General): type:text
円偏波マイクロ波の効果を調べた。無照射, 右旋・左旋照射で反応し, ケトン還元の不斉収率を調べた。光学活性な触媒反応に12.4 GHz円偏波マイクロ波を照射すると, 右旋条件の不斉収率は無照射より向上し, 左旋条件では低下した。一方, ラセミ触媒反応の 2.45GHz/50W円偏波マイクロ波照射では, 右旋・左旋いずれも向上, マイクロ波効果を考慮すべきである。アトロプ異性化に対する円偏波マイクロ波の効果を調べた。2.45GHz/20W円偏波照射後にラセミ化を抑制, 還元後に不斉収率を調べた。統計処理の結果ラセミ体の95%信頼区間にあるが, 左旋右旋で逆方向に不斉収率が観測される条件を見出した。 The effect of circularly polarized microwave irradiation was examined. Substrate was charged, without irradiation, or under right-handed / left-handed CPM irradiation, and the ee of the reduced product was analyzed. When the asymmetric catalysis was irradiated with 12.4 GHz CPM, the ee under the right-handed conditions was improved more than the non-irradiated conditions, but decreased in the left-handed conditions. In the 2.45 GHz / 50 W CPM irradiation to the racemic catalytic reaction, both the right-handed and the left-handed conditions improved, and the microwave effect should be considered. The CPM effect on atropo-isomerization reaction was examined. After 2.45 GHz / 20 W CPM irradiation, the ee was analyzed after reduction to prevent from racemization. As a result of the statistical processing, we found reaction conditions that the enantiomeric excess was observed in the opposite directions on the left-handed and the right-handed, though in the racemic 95% confidence interval.
研究種目 : 挑戦的萌芽研究研究期間 : 2015～2016 課題番号 : 15K13700 研究分野 : 有機合成化学
Access Restrictions: 限定公開
Related Material: 科研費研究者番号 : 40296752
科研費研究者番号 : 60314085
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 慶應義塾大学 : 慶應義塾大学学術情報リポジトリ