(3beta,20S)-21-O-对甲苯磺酰基-4,4,20-三甲基-孕甾-5,7-二烯-3,21-二醇3-苯甲酸酯合成路线 (共 1 条)
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64284-64-6(3R,5S,10S,13S,17S)-4,4,10,13-四甲基-17-[(2R)-6-甲基庚-5-烯-2-基]-1,2,3,5,6,7,11,12,16,17-十氢环戊烯并[a]菲-3-醇
反应条件
1: 100 percent / Li2CuCl3 / tetrahydrofuran / -30 - 20 °C
2: 69 percent / H2SO4 / dioxane / 70 h / Heating
View Scheme
参考文献
Blume, Thorsten; Guttzeit, Marc; Kuhnke, Joachim; Zorn, Ludwig
Organic Letters, 2003 , vol. 5, # 11 p. 1837 - 1839