Pd/S,O-リガンド触媒によるアニリン誘導体のパラセレクティブC-Hオレフィネーション
Kananat Naksomboon1, Jordi Poater2,3, F Matthias Bickelhaupt4,5
1Van't Hoff Institute for Molecular Sciences , University of Amsterdam , Science Park 904 , 1098 XH , Amsterdam , The Netherlands.
Journal of the American Chemical Society
|March 30, 2019
まとめ
S,O-リガンドを含む新しいパラジウム触媒は,多様なアニリン誘導体の高度にパラセレクティブなC-Hオレフィネーションを可能にします. この効率的でスケーラブルな方法は 温和で有酸素な条件下で動作します
科学分野:
- 有機化学
- キャタリシス
- 合成方法論
背景:
- C-H機能化は 有機合成の強力なツールです
- 選択的で効率的なC−Hオレフィネーションの方法の開発は依然として課題です.
- アニリン誘導体は医薬品や材料の重要な構成要素である.
研究 の 目的:
- アニリンのパラセレクティブC-Hオレフィネーションのための新しい触媒システムを開発する.
- 基板の範囲を拡大し,アニリンC-Hオレフィネーションの効率を改善する.
- 操作的にシンプルでスケーラブルでエアロビックな方法論を確立する
主な方法:
- 新しいS,O-リガンドと組み合わせたパラジウム触媒を使用した.
- 幅広いアニリン誘導体のC-Hオレフィネーションを調査した.
- 軽度,効率,選択性のために最適化された反応条件.
主要な成果:
- 様々なモノ-, 二-, 三置換アニリンの高度にパラセレクティブなC-Hオレフィネーションを達成した.
- 主要な,二次的,三次的なアニラインを収容する広範な基板範囲が実証されています.
- S,O-リガンドは,選択性と基質範囲の強化に不可欠でした.
- 反応は軽度の有酸素状態で効率的に進行した.
結論:
- 新しいPd/S,O-リガンド触媒システムは,アニラインのパラセレクティブC-Hオレフィネーションのための堅固な方法を提供します.
- 開発された方法論は操作的にシンプルで,スケーラブルで,エアロビック条件に適しています.
- このアプローチは,効率的なC-H機能化によってアニリン誘導体の合成有用性を大幅に拡張します.
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