循環性アミドとアミンのエナチオセレクティブ合成は,モ触媒化非対称環閉メタテシスによる
Elizabeth S Sattely1, G Alexander Cortez, David C Moebius
1Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA 02467, USA.
Journal of the American Chemical Society
|June 9, 2005
まとめ
本研究は,光学的に濃縮されたN-融合型バイサイクルアミドおよびサイクルアミンを合成するための効率的な触媒方法を示しています. これらの方法は,複雑な分子合成のための貴重なキラル構成要素へのアクセスを提供します.
科学分野:
- 有機化学 オーガニック・ケミストリー
- アシンメトリック・カタリシス
- 合成方法論 合成方法論
背景:
- チラルのサイクルアミンとN融合したバイサイクル構造は,生物学的活性分子における重要なモチーフです.
- これらの化合物への効率的でエナチオセレクティブな合成経路は,医薬品化学と薬剤開発において非常に求められています.
研究 の 目的:
- 光学的に濃縮されたN融合型バイサイクルアミドとサイクルアミンの合成のための新しい触媒非対称的方法を開発する.
- これらの合成戦略の範囲と限界を探求する.
- 合成されたキラル産物の有用性を,さらなる化学的変換において実証する.
主な方法:
- N融合バイサイクルアミド合成のためのアキラルポリエネ基板のモリブデン触媒による非対称化.
- 小型および中型環の不飽和サイクルアミンの触媒的非対称合成.
- キラルアミン製品におけるオレフィンの地域およびダイアステロセレクティブ機能化.
主要な成果:
- >98%のエナティオメール過剰 (ee) を有する5,6,5,7,5,8バイサイクルアミドの合成.
- 小型および中型環の不飽和サイクルアミンの高度なエナンチオセレクティブ合成 (最大97% ee)
- 合成されたキラル・サイクリック・アミンの成功した地域およびダイアステレオ選択的機能化.
- 高光学純度で三置換および非置換のサイクルアルケンの形成.
結論:
- 開発された触媒方法は,貴重な光学的に濃縮されたN-融合型バイサイクルアミドとサイクルアミンの効率的なアクセスを提供します.
- これらのキラルな構成要素は,他の合成経路では容易に入手できません.
- 合成された化合物は,複雑な生物学的活性分子のエナチオセレクティブ全合成に適しています.
さらに関連する動画
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