反应条件
Multi-step reaction with 4 steps 1: 95 percent / LDA / tetrahydrofuran / -78 °C2: H2S, CF3COOH / dimethylformamide; acetonitrile / 5 h3: 78 percent / tetrahydrofuran / 4 h / -5 - 10 °C4: CuCl2, CuO / acetone / 1 h / Heating
参考文献
Masson, S.; Mothes, V.; Thuillier, A. Tetrahedron, 1984 , vol. 40, # 9 p. 1573 - 1580