3-甲基-5-苯基-1H-吡唑合成路线 (共 31 条)
反应条件
tris-(dibenzylideneacetone)dipalladium(0); lithium tert-butylate; 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl in 1,4-dioxane T=90°C;
参考文献
Advanced Synthesis and Catalysis, , vol. 352, # 18 p. 3235 - 3240
反应条件
1: 98 percent / N2H4*H2O, aq. H2SO4 / ethanol / 2 h / Heating 2: 78 percent / Na2HPO4, 5percent Na/Hg / methanol / 2 h View Scheme
参考文献
Bulletin of the Chemical Society of Japan, , vol. 57, # 10 p. 2954 - 2956
反应条件
1: 72 percent / potassium t-butoxide, CuI / tetrahydrofuran / 15 h 2: 98 percent / N2H4*H2O, aq. H2SO4 / ethanol / 2 h / Heating 3: 78 percent / Na2HPO4, 5percent Na/Hg / methanol / 2 h View Scheme
参考文献
Bulletin of the Chemical Society of Japan, , vol. 57, # 10 p. 2954 - 2956
反应条件
1: 65 percent / lithium di-isopropylamide / diethyl ether / 1.) 0 deg C, 20 min, 2.) room temperature, 20 h 2: 73 percent / 2M H2SO4 / tetrahydrofuran / 4 h / Ambient temperature View Scheme
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , # 4 p. 611 - 614
反应条件
1: morpholine*TFA / 10 h / 75 °C / Sealed vessel 2: tetrabutylammomium bromide; toluene-4-sulfonic acid hydrazide; sodium hydroxide / water / 10 h / 80 °C / Air atmosphere View Scheme
参考文献
Tetrahedron, , vol. 67, # 49 p. 9618 - 9621
反应条件
1: acetonitrile / 3 h / 20 °C 2: sodium hydroxide / acetonitrile / 17 h / |Reflux View Scheme
参考文献
Tetrahedron, , vol. 69, # 5 p. 1427 - 1433
反应条件
1: acetonitrile / 3 h / 20 °C 2: sodium hydroxide / acetonitrile / 17 h / |Reflux View Scheme
参考文献
Tetrahedron, , vol. 69, # 5 p. 1427 - 1433
反应条件
1: cataCXium®A; [Pd(η3-1-Ph-allyl)(μ-Cl)]2; caesium carbonate / 36 h / 60 °C / 2250.23 Torr / |Glovebox; |Inert atmosphere; |Autoclave 2: hydrazine hydrate / ethanol / 2 h / 60 °C View Scheme
参考文献
Chemistry - A European Journal, , vol. 19, # 38 p. 12624 - 12628
反应条件
oxygen; nitrogen(II) oxide in 1,2-dichloro-ethane T=20°C; Deamination; 2 h; Product distribution; Further Variations:SolventsReagents;
参考文献
Bioorganic and Medicinal Chemistry, , vol. 8, # 8 p. 1983 - 1989
反应条件
hydrazine in methanol T=13°C; Rate constant;
参考文献
Journal of Organic Chemistry USSR (English Translation), , vol. 20, # 7 p. 1361 - 1364
Zhurnal Organicheskoi Khimii, , vol. 20, # 7 p. 1494 - 1497