C-H/N-H活性化によるベンザミドとアルキンのロジウム触媒による酸化サイクル添加
Todd K Hyster1, Tomislav Rovis
1Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
Journal of the American Chemical Society
|July 29, 2010
まとめ
新しいRh(III) 触媒反応により,ベンザミドとアルキンからアイソキノロンの合成が可能になる. この酸化サイクロアディションは,高度に機能群耐性があり,地域選択性があり,価値ある化学的支架への多用途な経路を提供しています.
科学分野:
- 有機化学 オーガニック・ケミストリー
- カタリシス カタリシス カタリシス
- 合成方法論 合成方法論
背景:
- ベンザミドとアルキンは,一般的な有機的な構成要素です.
- 代替アイソキノロン・スキャファードへのアクセスは,医薬品化学にとって重要です.
- 酸化性サイクロアディションは,ヘテロサイクルの合成のための効率的な経路を提供します.
研究 の 目的:
- イソキノロンの合成のための新しい触媒方法の開発.
- 開発された反応のメカニズムと範囲を調査する.
- 合成された化合物の医薬品化学における有用性を探求する.
主な方法:
- Rh (III) 触媒による酸化サイクル添加反応.
- 使用した銅 (((II) 酸化物質.
- 競争実験を通じて反応機構を調査した.
主要な成果:
- ベンザミドとアルキンからアイソキノロンを合成しました.
- 良い収穫量と高い機能群耐性 (ハリド,シリルエーテル,アルデヒド) を達成した.
- 非対称性アルキンおよび耐受性ヘテロアリルカルボキシアミドとの優れた地域選択性を示した.
結論:
- 開発されたRh(III) 触媒システムは,代用されたイソキノロンへの効率的な経路を提供します.
- 反応のメカニズムは,N-HメタレーションとオルトC-H活性化である.
- この方法論は,薬剤発見に関連した新しい構造物へのアクセスを提供します.
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