パラジアム触媒によるアルケンの環形成アミノアセトキシル化
Erik J Alexanian1, Chulbom Lee, Erik J Sorensen
1Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA.
Journal of the American Chemical Society
|May 26, 2005
まとめ
新しいパラジアム触媒反応は,アルケンから窒素を含むヘテロサイクルを形成する. このステレオ選択的アミノアセトキシル化は,アルケンの機能不全のための既存の方法に貴重な代替案を提供します.
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:
- 窒素を含むヘテロサイクルを合成するための効率的な方法の開発は,医薬品化学と材料科学において極めて重要です.
- 現存する金属触媒アルケンの二機能化反応は,しばしば限られたステレオ選択性を示すか,厳しい条件を必要とする.
研究 の 目的:
- アルケンのアミノアセトキシル化のための温和で効率的なパラジウム (((II)) 触媒化された方法を開発する.
- 様々な窒素を含むヘテロサイクルを合成する.
- 反応の地域および立体化学的結果を調査する.
主な方法:
- パラジウム (II) 触媒反応によるアルケンの反応は,様々な窒素核友性を持つ.
- PhI ((OAc) 2) を高価ヨウ素酸化剤として利用した.
- 標準的なスペクトロスコーピテクニックを用いて反応製品を分析した.
主要な成果:
- アルケンの軽度な,パラジウム ((II) 触媒による環形成アミノアセトキシル化が成功しました.
- 様々な窒素を含むヘテロサイクルを合成した.
- 高いレベルの反応領域とステレオ制御が実証され,ステレオ選択的トランスアルケンの機能不全経路を経由しています.
結論:
- 開発されたアミノアセトキシレーションは,窒素ヘテロサイクルの構築のための多用途で効果的な方法です.
- この反応は,既存のシス選択的方法に対する有価なステレオ選択的トランス二機能化の代替案を提供します.
- この方法論は,複雑な窒素含有分子の簡素化された合成の有望性を示しています.
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