反应条件
1: 56 percent / conc. H2SO4, HNO3 / acetic acid / 2 h / Ambient temperature 2: 58 percent / tetrahydrofuran / 8 h / Heating 3: 93 percent / acetic acid / Ambient temperature 4: 71 percent / acetic acid, sodium triacetoxyborohydride / 1,2-dichloro-ethane 5: 82.5 percent / potassium hydroxide / various solvent(s) / 4 h / 57 °C / solvent: N-methyl-pyrrolidinone 6: aq. HCl 7: 94 percent / thionyl chloride / 3 h / Heating 8: 1.) sodium hydrosulfite, 2.) aq. HCl / 1.) THF, ethanol, water, steam bath, 4 h, 2.) THF, ethanol, 15 min, steam bath View Scheme
参考文献
Urban, Frank J.; Breitenbach, Ralph; Gonyaw, Dianne
Synthetic Communications, 1996 , vol. 26, # 8 p. 1629 - 1638
