2,5-二溴-1,4-二甲基苯合成路线 (共 51 条)
反应条件
(i) aq. KMnO4, (ii) /BRN= 1098229/, H2SO4; Multistep reaction;
参考文献
Reich,H.J.; Cram,D.J.
Journal of the American Chemical Society, 1969 , vol. 91, # 13 p. 3527 - 3533
反应条件
water; nitric acid T=100°C; Oxidation; 168 h;
参考文献
Bo, Zhishan; Rabe, Juergen P.; Schlueter, A. Dieter
Angewandte Chemie - International Edition, 1999 , vol. 38, # 16 p. 2370 - 2372
参考文献
Eckert; Seidel
Journal fuer Praktische Chemie (Leipzig), 1921 , vol. <2> 102, p. 358
参考文献
Hadizad, Tayebeh; Zhang, Jidong; Zhi, Yuan Wang; Gorjanc, Timothy C.; Py, Christophe
Organic Letters, 2005 , vol. 7, # 5 p. 795 - 797
反应条件
PdCl2(PPh2(CH2)4PPh2) in tetrahydrofuran 16 h; Heating;
参考文献
Kelley, Charles J.; Ghiorghis, Alem; Kauffman, Joel M.
Journal of Chemical Research, Miniprint, 1997 , # 12 p. 2701 - 2733
反应条件
tetrakis(triphenylphosphine) palladium(0); potassium carbonate in tetrahydrofuran Suzuki coupling; 18 h; Reflux;
参考文献
Pham, Van Chung; Huh, Geun; Kim, Jungahn; Choo, Dong Joon; Lee, Jae Yeol
Bulletin of the Korean Chemical Society, 2011 , vol. 32, # 5 p. 1781 - 1783
反应条件
N-bromosuccinmide; 2,2'-azo-bisisobutyronitrile in tetrachloromethane Heating;
参考文献
Lopez-Romero, J. Manuel; Rico, Rodrigo; Martinez-Mallorquin, Rocio; Hierrezuelo, Jesus; Guillen, Elena; Cai, Chengzhi; Otero, J. Carlos; Lopez-Tocon, Isabel
Tetrahedron Letters, 2007 , vol. 48, # 35 p. 6075 - 6079
反应条件
1.1: n-butyl lithium / hexane; tetrahydrofuran / 0.17 h / -78 °C 1.2: 99 percent / tetrahydrofuran; hexane / -78 - 20 °C 2.1: 99 percent / sodium borohydride / ethanol / 1 h / 0 - 20 °C 3.1: 93 percent / thionyl chloride / CHCl3 / 0 - 20 °C 4.1: sodium hydride / 1,2-dimethoxy-ethane; various solvent(s) / 2 h / 20 °C 4.2: 88 percent / 1,2-dimethoxy-ethane; various solvent(s) / 12 h / Heating 5.1: potassium hydroxide / H2O / 5 h / Heating 5.2: 83 percent / sulfuric acid / H2O / 20 h / Heating 6.1: 88 percent / polyphosphoric acid / 2.5 h / 100 °C 7.1: 98 percent / sodium borohydride / ethanol / 1 h / 0 - 20 °C 8.1: 86 percent / p-toluenesulfonic acid / benzene / 2 h / Heating 9.1: ozone / methanol; CH2Cl2 / -78 °C 9.2: dimethyl sulfide; sodium hydrogen carbonate / methanol; CH2Cl2 / 4 h / 20 °C 10.1: 101 mg / aq. NH3 / CH2Cl2; methanol / 12 h / 20 °C 11.1: i-PrMgCl*LiCl / tetrahydrofuran / 1 h / -40 °C 11.2: ZnBr2 / tetrahydrofuran / 1 h / -40 - -5 °C 11.3: 75 percent / Pd(PPh3)4 / tetrahydrofuran / 4 h / Heating 12.1: 78 percent / sodium azide; boron trifluoride diethyl etherate; trifluoroacetic acid / CH2Cl2 / 0.25 h / 20 °C 13.1: 57 percent / 1,3,5-trimethyl-benzene / 6 h / Heating View Scheme
参考文献
Liu, Ching-Yuan; Knochel, Paul
Journal of Organic Chemistry, 2007 , vol. 72, # 19 p. 7106 - 7115
反应条件
1: KMnO4; pyridine 2: H2SO4 View Scheme
参考文献
Bo, Zhishan; Rabe, Juergen P.; Schlueter, A. Dieter
Angewandte Chemie - International Edition, 1999 , vol. 38, # 16 p. 2370 - 2372
反应条件
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate in N,N-dimethyl-formamide T=85°C; 48 h; Inert atmosphere;
参考文献
UWM RESEARCH FOUNDATION, INC.; Peng, Xiaohua; Kuang, Yunyan; Cao, Sheng; Chen, Wenbing; Wang, Yibin
Patent: US2013/45949 A1, 2013 ;
Location in patent: Paragraph 0408 ;