复杂分子的合成(上海有机所)-06D.pdfVIP

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复杂分子的合成(上海有机所)-06D

实例讲解VI 实例讲解VI Gelsemine 的全合成 Gelsemine: A Thought-Provoking Gelsemine: A Thought-Provoking Target for Total Synthesis Target for Total Synthesis Lin and Danishefsky. Angew. Chem. 2003, 42, 36. Lin and Danishefsky. Angew. Chem. 2003, 42, 36. 18 H 1. Gelsemine, Isolated from O 1 N 2 1. Gelsemine, Isolated from gelsemium sempervirens, was first 12 gelsemium sempervirens, was first 20 6 7 noted in the literature in 1870. noted in the literature in 1870. 8 X 14 3 21 5 2. Degradative and spectroscopic N 2. Degradative and spectroscopic O 4 10 16 data were available by Conroy in Me data were available by Conroy in 17 1959. 1959. 1: X = H, H Gelsemine 2: X = O (Also a natural product) 3. X-ray by Lovell et al. in 1959. 3. X-ray by Lovell et al. in 1959. 4. The attraction to gelsemine as a 4. The attraction to gelsemine as a To date, seven total To date, seven total target in total synthesis has been target in total synthesis has been syntheses of 1 have syntheses of 1 have driven by its fascinating 3-D driven by its fascinating 3-D been reported. been reported. architecture.

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