アルケンを線形アルデヒドおよび線形アミンに熱的,触媒的変換
Xinxin Tang1, Xiangqing Jia1, Zheng Huang1
1State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Road , Shanghai 200032 , China.
Journal of the American Chemical Society
|March 3, 2018
まとめ
この研究は,アルケンを有価な線形アルデヒドとアミンに効率的に変換するための新しい二重触媒システムを導入しています. この突破は石油原料から不可欠な化学建材を生産するための直接的かつ地域選択的な経路を提供します.
科学分野:
- カタリシス
- 有機化学
- 石油化学
背景:
- アルカンは石油の主要な成分であり,化学合成のための望ましい原料である.
- 線形アルデヒドとアミンは産業化学の重要な構成要素です.
- 直接アルケンを線形アルデヒドおよびアミンに変換する既存の方法は存在しない.
研究 の 目的:
- 線形アルデヒドとアミンの直接変換のための効果的な方法を開発する.
- n-アルケンの地域選択カルボニル化プロセスを確立する.
- アルカン・アミノメチル化のためのこの二重触媒システムの適用を実証する.
主な方法:
- イリジウム触媒とロジウム触媒を組み合わせた分子二重触媒システム
- イリジウム触媒は,エチレンまたはt-ブチルエチレンを水素受容体として使用してアルカンの転移脱水処理を行う.
- ロジウム触媒は,合成ガスを用いて連続的なオレフィンイソメリゼーション-水酸化を促進する.
主要な成果:
- 線形アルデヒドの高い地域選択性は,特にエチレンを使用したIr/Rh二重触媒システムを使用して達成されました.
- このシステムは,高い触媒回転数を示した.
- 軽アルカン (n-ペンタン,n-ヘクサン) をシロキシ末端アルキルアルデヒドおよび線形アルキルアミンに直接変換することが成功しました.
結論:
- 開発されたIr/Rh二重触媒システムは,線形アルデヒドへの地域選択性アルカンカルボニレーションのための効果的な経路を提供します.
- この戦略により,アルカンから有価な線形アルデヒドとアミンを直接合成することができる.
- 石油の原料を改良することで,化学工業にとって大きな可能性を秘めている.
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