1-甲氧基-9H-咔唑-3-甲醛合成路线 (共 24 条)
反应条件
1: KOH / ethanol; H2O / 18 h / 20 °C
2: 0.24 g / K2CO3 / acetone / 12 h / Heating
3: 85 percent / Na2CO3; LiCl / [Pd(PPh3)4] / acetonitrile / 48 h / Heating
View Scheme
参考文献
Bernal, Pablo; Tamariz, Joaquin
Helvetica Chimica Acta, 2007 , vol. 90, # 8 p. 1449 - 1454
反应条件
1: 90 percent / BF3*Et2O / CH2Cl2 / 0.42 h / -78 °C
2: 65 percent / DDQ / benzene / 24 h / Heating
3: KOH / ethanol; H2O / 18 h / 20 °C
4: 0.24 g / K2CO3 / acetone / 12 h / Heating
5: 85 percent / Na2CO3; LiCl / [Pd(PPh3)4] / acetonitrile / 48 h / Heating
View Scheme
参考文献
Bernal, Pablo; Tamariz, Joaquin
Helvetica Chimica Acta, 2007 , vol. 90, # 8 p. 1449 - 1454
反应条件
144 h; Ambient temperature;
参考文献
Fiebig, Manfred; Pezzuto, John M.; Soejarto, Djaja D.; Kinghorn, A. Douglas
Phytochemistry (Elsevier), 1985 , vol. 24, # 12 p. 3041 - 3044
反应条件
1: 90 percent / DIBAH / diethyl ether; hexane / 3.5 h / -78 °C
2: MnO2 / CCl4 / 6 h / Ambient temperature
View Scheme
参考文献
Bringmann, Gerhard; Tasler, Stefan; Endress, Heike; Peters, Karl; Peters, Eva-Maria
Synthesis, 1998 , # 10 p. 1501 - 1505
反应条件
1: K2CO3 / acetone / 7 h / Heating
2: 90 percent / DIBAH / diethyl ether; hexane / 3.5 h / -78 °C
3: MnO2 / CCl4 / 6 h / Ambient temperature
View Scheme
参考文献
Bringmann, Gerhard; Tasler, Stefan; Endress, Heike; Peters, Karl; Peters, Eva-Maria
Synthesis, 1998 , # 10 p. 1501 - 1505
反应条件
1: N-bromosuccinmide / N,N-dimethyl-formamide / 0.5 h / 20 °C / Inert atmosphere
2: triethylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
3: tetrakis(triphenylphosphine) palladium(0); tri-n-butyl-tin hydride / N,N-dimethyl-formamide / 0.75 h / 100 °C / Inert atmosphere
4: methanol; copper(l) iodide / N,N-dimethyl-formamide / 5 h / 120 °C / Inert atmosphere
View Scheme
参考文献
Bhosale, Shrikar M.; Momin, Aadil A.; Kusurkar, Radhika S.
Tetrahedron, 2012 , vol. 68, # 32 p. 6420 - 6426
反应条件
1: triethylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
2: tetrakis(triphenylphosphine) palladium(0); tri-n-butyl-tin hydride / N,N-dimethyl-formamide / 0.75 h / 100 °C / Inert atmosphere
3: methanol; copper(l) iodide / N,N-dimethyl-formamide / 5 h / 120 °C / Inert atmosphere
View Scheme
参考文献
Bhosale, Shrikar M.; Momin, Aadil A.; Kusurkar, Radhika S.
Tetrahedron, 2012 , vol. 68, # 32 p. 6420 - 6426
反应条件
1: tetrakis(triphenylphosphine) palladium(0); tri-n-butyl-tin hydride / N,N-dimethyl-formamide / 0.75 h / 100 °C / Inert atmosphere
2: methanol; copper(l) iodide / N,N-dimethyl-formamide / 5 h / 120 °C / Inert atmosphere
View Scheme
参考文献
Bhosale, Shrikar M.; Momin, Aadil A.; Kusurkar, Radhika S.
Tetrahedron, 2012 , vol. 68, # 32 p. 6420 - 6426
反应条件
1.1: trichlorophosphate / 10 - 20 °C / Inert atmosphere
1.2: 20 - 35 °C / Inert atmosphere
1.3: 20 - 30 °C / Inert atmosphere
2.1: N-bromosuccinmide / N,N-dimethyl-formamide / 0.5 h / 20 °C / Inert atmosphere
3.1: triethylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
4.1: tetrakis(triphenylphosphine) palladium(0); tri-n-butyl-tin hydride / N,N-dimethyl-formamide / 0.75 h / 100 °C / Inert atmosphere
5.1: methanol; copper(l) iodide / N,N-dimethyl-formamide / 5 h / 120 °C / Inert atmosphere
View Scheme
参考文献
Bhosale, Shrikar M.; Momin, Aadil A.; Kusurkar, Radhika S.
Tetrahedron, 2012 , vol. 68, # 32 p. 6420 - 6426
反应条件
1.1: pyridine / dichloromethane / 0.25 h / 20 °C
1.2: 1 h / -20 °C
2.1: caesium carbonate; palladium diacetate; 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl / toluene / 12 h / 96 °C
3.1: potassium carbonate; palladium diacetate; 2,2,2-trimethylacetic acid / 12 h / 115 °C
View Scheme
参考文献
COUNCIL OF SCIENTIFIC and INDUSTRIAL RESEARCH
Patent: US2012/202868 A1, 2012 ;
US 20120202868 A1