反应条件
1: 1.) CuI, 2,2'-bipyridyl / 1.) THF, 2 deg C, 10 min, 2.) THF, a) 2 deg C, 4 h, b) 20 deg C, 15 h
2: 10.7 g / pyridine / 1.) -5 deg C, 6 h, 2.) 0 deg C, 12 h
3: 82 percent / NaBr / dimethylformamide / 2 h / 65 °C
4: 69 percent / PdCl2, CuCl, O2 / dimethylformamide; H2O / 24 h
5: 81 percent / Py*TsOHY / benzene
6: 1.) Li, FeCl3, liq. NH3 / 1.) -35 deg C, 0.3 h, 2.) THF, DMSO, -35 deg C, 4.5 h
7: 1.) EtMgBr, 2.) CuI
8: O3 / cyclohexane; acetic acid / 5 °C
9: aq. H2Cr2O4 / acetone / 4 h / 20 °C
10: 10percent aq. HCl / acetone / 6 h / 20 °C
11: 85 percent / NaBH4 / ethanol / 0.17 h
12: 93 percent / NaBH4, NaOH, Ni(OAc)2*4H2), ethylene diamine, H2 / ethanol / 2 h / 20 °C
13: 30 percent / 2,2'-dipyridil disulfide, PPh3 / acetonitrile / 2 h / 20 °C
View Scheme
参考文献
Odinokov, V. N.; Ishmuratov, G. Yu.; Botsman, L. P.; Vakhidov, R. R.; Ladenkova, I. M.; et al.
Chemistry of Natural Compounds, 1992 , vol. 28, # 3/4 p. 369 - 374
Khimiya Prirodnykh Soedinenii, 1992 , # 3,4 p. 423 - 429
