3-羟基-4-甲氧基苯甲醛合成路线 (共 405 条)
反应条件
1: 98 percent / K2CO3 / acetonitrile 2: NaBH4 / ethanol 3: PBr3 / CH2Cl2 4: 76 percent / LiHMDS / tetrahydrofuran 5: 81 percent / LiOH; H2O2 6: 95 percent / LAH / tetrahydrofuran 7: 97 percent / PPh3; NBS / CH2Cl2 8: 68 percent / n-BuLi 9: HCl / acetonitrile 10: Et3N 11: NaBH4 / ethanol 12: 89 percent / DMSO; ClC(O)C(O)Cl; Et3N / CH2Cl2 13: Mg 14: 23 percent / H2 / Pd(OH)2/C 15: 38 percent / TPAP; NMMO 16: 65 percent / 2-hydroxypyridine; Et3N 17: TMSCl; phenol / CH2Cl2 View Scheme
参考文献
Tetrahedron Letters, , vol. 46, # 37 p. 6337 - 6340
反应条件
2: hydrogen / PtO2 / ethanol / 2.3 h / 2250.2 Torr View Scheme
参考文献
Christinaki, Helene; Bister-Miel, Francoise; Hammoumi, Abderahmane; Bury, Michele; Guignard, Jean-Louis; Viel, Claude
Phytochemistry (Elsevier), 1987 , vol. 26, # 11 p. 2991 - 2994
反应条件
1: 94 percent / K2CO3 / ethanol / 5 h / Heating 2: 88 percent / NH4OAc; AcOH / 4 h / Heating 3: 63 percent / LiAlH4 / diethyl ether; tetrahydrofuran / 2 h / Heating 4: 5percent aq. NaOH / CH2Cl2 / 2 h / 20 °C 5: conc. HCl / ethanol / 4 h / Heating View Scheme
参考文献
Wehrli,P.A. et al.
Canadian Journal of Chemistry, 1972 , vol. 50, p. 3075 - 3079
反应条件
1: diethyl ether / 3 h / Heating 2: glacial acetic acid / 3 h / Heating View Scheme
参考文献
Arnarp; Bielawski; Dahlin; Dahlman; Enzell; Pettersson
Acta chemica Scandinavica (Copenhagen, Denmark : 1989), 1989 , vol. 43, # 1 p. 44 - 50
反应条件
propionic acid sodium salt Erwaermen des Reaktionsprodukts mit aethanol. KOH;
参考文献
Seshadri; Thiruvengadam
Proceedings - Indian Academy of Sciences, Section A, 1950 , vol. <A> 32, p. 110,112
参考文献
Pashkovskii; Shchukina; Gribovskii; Lakhvich
Russian Journal of Organic Chemistry, 2008 , vol. 44, # 5 p. 657 - 670
反应条件
1.1: 75 percent / Br2; Fe; NaOAc / acetic acid / 1 h / 20 °C 2.1: [(ν3-C3H5)PdCl]2; (1S,2S)-bis(N,N'-(o-(PPh2)C6H4CO)-1,2-diphenylethylamine; Et3N / CH2Cl2 / 8 h / 20 °C 3.1: TsOH*H2O / methanol / 4 h / 50 °C 4.1: DIBAlH / toluene; hexane / 1.5 h / -78 °C 5.1: Ph3P; diisopropylazodicarboxylate / diethyl ether / 0.33 h / -20 °C 5.2: diethyl ether / 12 h / -20 - 20 °C 5.3: 1.34 g / aq. TsOH / tetrahydrofuran / 4 h / 20 °C 6.1: 91 percent / Pd(OAc)2; Ag2CO3; diphenylphosphinopropane / 1,3-bis(diphenylphosphino)propane / toluene / 24 h / 107 °C 7.1: 91 percent / PPh3 / CH2Cl2 / 0.17 h / 0 °C 8.1: 88 percent / Pd(PPh3)4; Bu3SnH / toluene / 0.33 h 9.1: 65 percent / Pd(OAc)2; Ag2CO3; diphenylphosphinopropane / 1,3-bis(diphenylphosphino)propane / toluene / 4 h / 107 °C 10.1: SeO2; quartz sand / dioxane / 1.33 h / 75 °C 11.1: DIBALH / CH2Cl2; hexane; diethyl ether / -78 - 0 °C 11.2: NH4Br / various solvents / 2 h / 20 °C 11.3: 89 percent / NaBH4 / various solvents / 20 °C 12.1: LDA / tetrahydrofuran; hexane / -78 - 20 °C 12.2: 57 percent / tetrahydrofuran; hexane / 6 h / 20 °C / Irradiation 13.1: BBr3 View Scheme
参考文献
Journal of the American Chemical Society, , vol. 127, # 42 p. 14785 - 14803
反应条件
potassium iodide; potassium carbonate in N-methyl-acetamide; toluene
参考文献
Cheil Jedang Corp.
Patent: US6103729 A1, 2000 ;
US 6103729 A
反应条件
caesium carbonate in ethylene glycol dimethyl ether T=145°C; 0.416667 h; Microwave irradiationInert atmosphereSealed vessel;
参考文献
Maras, Nenad; Polanc, Slovenko; Kocevar, Marijan
Tetrahedron, 2008 , vol. 64, # 51 p. 11618 - 11624
反应条件
potassium carbonate in acetone Etherification; methylation; 0.0833333 h; microwave irradiation;
参考文献
Mitra; De; Karchaudhuri
Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2000 , vol. 39, # 5 p. 387 - 389