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Total Synthesis of Cochlearol B via Intramolecular [2+2] Photocycloaddition
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2021-09-17 , DOI: 10.1002/anie.202110556
Tomoya Mashiko 1 , Yuta Shingai 1 , Jun Sakai 1 , Shogo Kamo 1 , Shinya Adachi 1 , Akinobu Matsuzawa 1 , Kazuyuki Sugita 1
Affiliation  

The first total synthesis of cochlearol B is reported. Utilization of Nozaki–Hiyama–Kishi reaction, oxidative cyclization and intramolecular [2+2] photocycloaddition, resulted in the completion of the total synthesis with 16 steps, and in 9 % overall yield. X-ray crystallographic analyses of synthesized intermediate and cochlearol B clearly confirmed the stereochemistry.
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中文翻译:

通过分子内 [2+2] 光环加成全合成 Cochlearol B

报道了首次全合成耳蜗酚 B。利用 Nozaki-Hiyama-Kishi 反应、氧化环化和分子内 [2+2] 光环加成,共完成 16 步全合成,总产率为 9%。合成的中间体和耳蜗酚 B 的 X 射线晶体学分析清楚地证实了立体化学。
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更新日期:2021-10-29
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