Single-step synthesis of styryl phosphonic acids <i>via</i> palladium-catalyzed Heck coupling of vinyl phosphonic acid with aryl halides [electronic resource]

• Ngôn ngữ: eng
• Ký hiệu phân loại: 641.38 Honey
• Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2017
• Mô tả vật lý: Size: p. 12454-12456 : , digital, PDF file.
• Bộ sưu tập: Metadata
• ID: 263137
• Chủ đề: 1. 09 biomass fuels; 2. Aryl halides; 3. Catalysts; 4. Phosphonic acids

Tóm tắt

 Here, we have developed a single step palladium-catalyzed Heck coupling of aryl halides with vinyl phosphonic acid to produce functionalized (E)-styryl phosphonic acids. This pathway utilizes a variety of commercially available aryl halides, vinyl phosphonic acid and Pd(P(tBu)<
 sub>
 3<
 /sub>
 )<
 sub>
 2<
 /sub>
  as catalyst. These conditions produce a wide range of styryl phosphonic acids with high purities and good to excellent yields (31?80%).