RETRACTED:様々なラクトームの合成のためのサイト選択的C−Hアミデーション
Inha Cho1, Zhi-Jun Jia1, Frances H Arnold2
1Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
まとめ
エンジニアリングされた酵素は炭素-水素結合反応を正確に制御し,多様なラクトーム構造の選択的合成を可能にします. この突破は,様々な用途のために効率的で高度に選択的なアビオロギー的な炭素-窒素結合を形成します.
科学分野:
- 生物触媒
- 有機化学
- 酵素工学
背景:
- 炭素-水素 (C-H) 結合の機能化は化学において極めて重要です.
- C-H活性化におけるサイト選択性の制御は,依然として重要な課題である.
- サイトクロームP450酵素は選択的触媒の可能性を秘めている.
研究 の 目的:
- シトクロームP450酵素をエナチオセレクティブC-Hアミデーションのために設計する.
- ラクトーム合成の正確なサイト選択性を達成するために,固有のC-H反応性を優先します.
- アビオロジカルな炭素-窒素結合形成のための効率的でスケーラブルな方法を開発する.
主な方法:
- サイトクロームP450酵素の工学
- エシェリキア・コリ菌における合成酵素の発現
- カーボニルナイトレンの生成のために自然にインスパイアされたアシル保護ヒドロキサート前体を使用します.
主要な成果:
- 前例のないC-Hアミデーション反応を 達成した.
- β,γ,およびδ-ラクトームを構成する場所の選択性に対する正確な制御を証明した.
- 高い効率性 (最大1,020,000回) と選択性 (最大25:1,エナティオメア過剰) を観測した.
- 準備スケールでの変換が成功しました.
結論:
- 設計されたP450酵素はC-H機能化を正確に制御できます
- この方法は,高い選択性を持つ様々なラクタムの合成を可能にします.
- 開発された生物触媒的アプローチは効率的で,スケーラブルであり,アビオロギー的なC-N結合形成のための強力なツールを提供します.
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