3,5-二氯-2-碘苯甲酸合成路线 (共 7 条)
参考文献
Uchikawa, Osamu; Mitsui, Keita; Asakawa, Akiko; Morimoto, Shigeru; Yamamoto, Masataka; Kimura, Hiroyuki; Moriya, Takeo; Mizuno, Masahiro
Patent: US2003/187014 A1, 2003 ;
反应条件
1: With sulfuric acid; sodium nitrite T=0 - 20°C; 17 h; 2: With potassium iodide in water Further stages.;
参考文献
Poirier, Marc; Chen, Frank; Bernard, Charles; Wong, Yee-Shing; Wu, George G.
Organic Letters, 2001 , vol. 3, # 23 p. 3795 - 3798
反应条件
1.1: 121 g / (MeO)3B; BH3*Me2S / tetrahydrofuran / 18 h / 20 °C 2.1: PPh3; Br2 / acetonitrile / 1 h / 20 °C 3.1: LDA; t-BuOMe / various solvent(s); tetrahydrofuran / -30 - 0 °C 4.1: NaH / dimethylformamide / 1 h / 0 °C 4.2: 10 g / dimethylformamide / 0.25 h / 0 °C 5.1: 91 percent / n-BuLi / tetrahydrofuran; cyclohexane / 0.17 h / -78 °C View Scheme
参考文献
Poirier, Marc; Chen, Frank; Bernard, Charles; Wong, Yee-Shing; Wu, George G.
Organic Letters, 2001 , vol. 3, # 23 p. 3795 - 3798
参考文献
Bartl; Kmonicek; Sedivy; et al.
Collection of Czechoslovak Chemical Communications, 1984 , vol. 49, # 10 p. 2295 - 2308
反应条件
boric acid trimethyl ester; dimethylsulfide borane complex in tetrahydrofuran
T=20°C; 18 h;
参考文献
Poirier, Marc; Chen, Frank; Bernard, Charles; Wong, Yee-Shing; Wu, George G.
Organic Letters, 2001 , vol. 3, # 23 p. 3795 - 3798
反应条件
1: 78 percent / K2CO3, CuCl / dimethylformamide / 4 h / 140 °C
2: 87 percent / LiAlH4 / diethyl ether / 2.5 h / Heating
3: 96 percent / SOCl2 / benzene / 1.) 25 deg C, 20 min 2.) 60 deg C, 1 h 3.) reflux 1.5 h
4: KI / acetone / 5 h / Heating
5: LiAlH4 / diethyl ether / 2.5 h / Heating
View Scheme
参考文献
Valenta; Dlabac; Protiva
Collection of Czechoslovak Chemical Communications, 1981 , vol. 46, # 3 p. 781 - 791
反应条件
1: 78 percent / K2CO3, CuCl / dimethylformamide / 4 h / 140 °C
2: 87 percent / LiAlH4 / diethyl ether / 2.5 h / Heating
3: 96 percent / SOCl2 / benzene / 1.) 25 deg C, 20 min 2.) 60 deg C, 1 h 3.) reflux 1.5 h
4: 50 percent / dimethylformamide / 2 h / 35 °C
5: 98 percent / KOH / ethanol; H2O / 3 h / Heating
View Scheme
参考文献
Valenta; Dlabac; Protiva
Collection of Czechoslovak Chemical Communications, 1981 , vol. 46, # 3 p. 781 - 791