バイオオルトゴンラベリングのための容易にアクセス可能なアンビフィリックサイクロペンタディエン
Brian J Levandowski1, Raymond F Gamache1, Jennifer M Murphy2
1Department of Chemistry and Biochemistry , University of California , Los Angeles , California 90095 , United States.
Journal of the American Chemical Society
|May 2, 2018
まとめ
研究者らは,効率的かつ選択的な分子ラベリングのために,新しい安定したバイオオートホーゴンレアゲント,テトラクロロcyclopentadiene ketal (TCK) を開発した. この反応剤は 化学生物学の研究を進めて 連続的なラベリング戦略を可能にします
科学分野:
- 有機化学
- 化学生物学
- バイオオートゴーナル化学
背景:
- バイオオートゴーナル化学は,生物系における生物学的プロセスを研究することを可能にします.
- 調節可能な反応性を持つ新しい反応剤の開発は,先進的なアプリケーションに不可欠です.
- サイクロペンタディエンの支架は,反応剤の設計にユニークな化学的特性を提供します.
研究 の 目的:
- テトラクロロcyclopentadiene ketal (TCK) 基板をベースにした新しい生物対位反応剤を導入する.
- 様々な反応パートナーとのTCKの反応性と正交性を評価する.
- タンデムラベリングの応用におけるTCKの有用性を実証する.
主な方法:
- 商業的に利用可能な材料からTCKとその類似物を合成する.
- トランス・サイクロオクトン,エンド・バイクロノニン,およびディベンゾアザサイクロオクトン (DIBAC) の反応速度を定量化するための運動研究.
- TCKと直角アジドを用いた連続的なラベリングの実証
主要な成果:
- TCKは顕著な安定性と両性,自己直交の性質を示しています.
- TCKはトランス・サイクロオクトンとエンド・バイサイクロノニンに素早く反応するが,DIBACにはゆっくり反応する.
- 選択的な連続反応を示すタンドムラベル試験が成功しました.
結論:
- TCKはバイオオートゴーナル化学の 汎用的な新しいツールです
- TCKの調整可能な反応性は,洗練されたタンデムラベル戦略を可能にします.
- TCK アナログは容易に入手でき,化学生物学におけるより広範な採用を容易にする.
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