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Split-and-pool Synthesis and Characterization of Peptide Tertiary Amide Library
Published on: June 20, 2014
ラモプラニンA2とラモプラノースアグリコンの総合成
Wanlong Jiang1, Jutta Wanner, Richard J Lee
1Department of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, California 92037, USA.
Journal of the American Chemical Society
|May 9, 2002
まとめ
この研究は,ラムポラニンA2とそのアグリコンの収束した全合成を詳細に説明しています. 成功した合成は,強力な抗菌類類の同類剤を作成するための経路を提供します.
科学分野:
- 有機化学 オーガニック・ケミストリー
- 薬用化学 薬用化学について
- 合成化学 合成化学とは
背景:
- ラモプラニンは,複雑なグリコペプチド抗生物質である.
- ラモプラニンのアグリコンは,有意な抗菌作用を持っています.
- トータル合成は,潜在的に強化された性質を持つ新しい同類薬への経路を提供します.
研究 の 目的:
- ラモプラニンA2とそのアグリコンの収束した全合成を達成するために.
- 複雑なデプシペプチド核を構成するための重要な合成方法論を開発する.
- 抗微生物薬の発見のための新しいアナログの合成を可能にする.
主な方法:
- 3つの主要なサブユニットを含むコンバージェント・シンセシス戦略.
- L-threo-beta-hydroxyasparagineの非対称合成について.
- ラセミゼーションを防ぐために最適化されたエステル化条件.
- 効率的なリング閉鎖のための戦略的カップリングとマクロサイクリング.
主要な成果:
- 3つの主要なペプチドおよびデプシペプチドサブユニットの準備と結合が成功しました.
- ラモプラノースアグリコンの49個のデプシペプチド核の構築.
- 阻害されたアルコールエステル化のほぼラセミゼーションフリー状態の実証.
- ベータシート前組織化とD-アミンの末端から恩恵を受けるマクロサイクリング部位の特定.
結論:
- 開発された合成経路は,ラモプラノースアグリコンの構築に有効です.
- ラビルエステルとサイドチェーンを後期的に導入することで,アナログ合成が容易になります.
- 合成されたアグリコンとその類型は,新しい抗菌剤の開発に有望である.
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