4-(2-噻吩基)苯甲酸合成路线 (共 13 条)
反应条件
[(P{(NC5H10)(C6H11)2})2Pd(Cl)2] in tetrahydrofuran; 1-methyl-pyrrolidin-2-one T=100°C; Negishi cross-coupling reaction; 18 h; In air;
参考文献
Bolliger, Jeanne L.; Frech, Christian M.
Chemistry - A European Journal, 2010 , vol. 16, # 36 p. 11072 - 11081
反应条件
tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=20°C; 2 h;
参考文献
Amatore, Christian; Jutand, Anny; Negri, Serge; Fauvarque, Jean-Francois
Journal of Organometallic Chemistry, 1990 , vol. 390, # 3 p. 389 - 398
反应条件
sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in acetonitrile T=90°C; Substitution; Suzuki reaction; 2 h;
参考文献
Synlett, , # 6 p. 829 - 831
反应条件
1: 4-bromophenylacetic acid With tritylchloride-polystyrene resin; N-ethyl-N,N-diisopropylamine in dichloromethane; N,N-dimethyl-formamide T=20°C; 18 h; 2: dihydroxy-thien-2-ylborane With potassium phosphate; phenyl-phospha-adamantane; tris(dibenzylideneacetone)dipalladium(0) chloroform complex in tetrahydrofuran; water T=20°C; solid-phase Suzuki coupling; 15 h; 3: With trifluoroacetic acid in dichloromethane T=20°C; 1.5 h; Further stages.;
参考文献
Tetrahedron Letters, , vol. 45, # 29 p. 5661 - 5663
反应条件
sodium carbonate in 1,4-dioxane; water
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , # 17 p. 2203 - 2214
反应条件
lithium hydroxide; caesium carbonate; potassium iodide; Merrifield resin; tetrakis(triphenylphosphine) palladium(0) 1.) DMF, 80 deg C, 16 h; 2.) DMF, 60 degC, 24 h; 3.) THF, MeOH, H2O, reflux, 18 h; Yield given. Multistep reaction;
参考文献
Tetrahedron Letters, , vol. 39, # 24 p. 4175 - 4178
反应条件
lithium hydroxide; caesium carbonate; potassium iodide; Merrifield resin; tetrakis(triphenylphosphine) palladium(0) 1.) DMF, 80 deg C, 16 h; 2.) DMF, 60 degC, 24 h; 3.) THF, MeOH, H2O, reflux, 18 h; Yield given. Multistep reaction;
参考文献
Tetrahedron Letters, , vol. 39, # 24 p. 4175 - 4178
反应条件
1: 85.49 percent / NaBF4, 4M HCl, NaNO2 / 0.33 h / 4 °C 2: 10 percent / KOAc / acetonitrile 3: Na2CO3 / dioxane; H2O View Scheme
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , # 17 p. 2203 - 2214
反应条件
1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / N,N-dimethyl-formamide / 90 °C 2: water; lithium hydroxide hydrate / methanol View Scheme
参考文献
Bioorganic and Medicinal Chemistry Letters, , vol. 21, # 23 p. 7151 - 7154
反应条件
1: sodium nitrite; tetrafluoroboric acid / water 2: Eosin / dimethyl sulfoxide / |Photolysis View Scheme
参考文献
Chemistry of Materials, , vol. 25, # 1 p. 90 - 97