ディルテニウムオキシアニオン複合体からの合成酸素原子転送光サイクル
Amanda R Corcos1, József S Pap1, Tzuhsiung Yang1
1Department of Chemistry, University of Wisconsin-Madison , 1101 University Avenue, Madison, Wisconsin 53706, United States.
Journal of the American Chemical Society
|July 14, 2016
まとめ
研究者は酸素原子の移転のための 新しい光活性化合成サイクルを開発しました このプロセスは,反応性のあるルテニウムオクソ中間物質を生成し,触媒における潜在的な応用を持つ効率的な酸化反応を可能にします.
科学分野:
- 無機化学
- 写真化学
- カタリシス
背景:
- ディルテニウム複合体は,その触媒特性のために調査されている.
- メタル-リガンド結合の光化学的活性化は,無機化学の重要な分野である.
- 酸素原子の移転反応は様々な化学的変異に不可欠です.
研究 の 目的:
- 新しいディルテニウムオキシアニオン複合体を合成し,特徴づけること.
- 反応性Ru-RuO中間物質を光化学的に生成する可能性を評価する.
- 酸素原子移転のための 光駆動合成サイクルを確立するために
主な方法:
- ディルテニウム複合体の製造と結晶学的な特徴付け
- MALDI-TOF質量スペクトロメトリーと,中間識別のための (18) Oラベル.
- 反応分析のための電子パラマグネティック共振 (EPR) スペクトロスコーピーとガス染色体質スペクトロメトリ (GC-MS).
- 酸化能力を評価するためにトリフェニルフォスフィン (PPh3) の存在での光分解実験.
主要な成果:
- Ru2 ((chp) 4ONO2 (4) は,光化学的活性化のための有望な候補として特定されました.
- 4の光分解により[Ru2 ((chp) 4O)) ([6] ((+)) イオンが生み出され,NO2 ((•)) が放出された.
- PPh3の存在下での4の光分解により,OPPh3が173%の収量で生成され,Ru2 ((chp) 4Cl (3) が回収された.
結論:
- この研究は,酸素原子移転のための最初の光駆動合成サイクルを提示します.
- 金属オクソの中間物質は光化学的に生成される.
- ダイルテニウム複合体は 効率的な酸素原子移転能力を示しています
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