Ylide-Induced Ring Contraction of Coumarins to Benzofurans: Applications to the Synthesis of

• Tác giả: Dinesh Kumar Gopalakrishnan, Tarak Karmakar, Sandeep Kumar, Shashank Shrotriya, Janakiram Vaitla
• Ngôn ngữ: eng
• Ký hiệu phân loại: 709.012 *To 4000 B.C.
• Thông tin xuất bản: United States : Organic letters , 2025
• Bộ sưu tập: NCBI
• ID: 111942

Tóm tắt

We report an unusual ring contraction of 4-chlorocoumarin to benzofuranoyl sulfoxonium ylides using a Corey-ylide. These stabilized ylides were subsequently utilized for the synthesis of various valuable