(5Z,8Z,10E,14Z)-12-羟基-5,8,10,14-二十碳四烯酸合成路线 (共 37 条)
反应条件
lithium hydroxide in water; isopropyl alcohol
参考文献
Gunn, Bruce P.; Brooks, Dee W.
Journal of Organic Chemistry, 1985 , vol. 50, # 22 p. 4417 - 4418
反应条件
1: 1.) KBr, 2.) t-BuOOH, vanadyl acetylacetonate / 1.) AcOH-H2O-THF, 5 deg C, 12 h, 2.) benzene, 23 deg C, 130 min
2: K2CO3 / methanol
3: saponification
4: MICA
5: potassium selenocyanate / methanol / Heating
View Scheme
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
1: K2CO3 / methanol
2: saponification
3: MICA
4: potassium selenocyanate / methanol / Heating
View Scheme
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
KSeCN in methanol
Heating; Yield given;
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
1: MICA
2: potassium selenocyanate / methanol / Heating
View Scheme
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
1: saponification
2: MICA
3: potassium selenocyanate / methanol / Heating
View Scheme
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
1: 100 percent / LiOH / H2O; 1,2-dimethoxy-ethane / 15 h / 23 °C
2: isopropylcyclohexylamine, methylmagnesium bromide / tetrahydrofuran / 1.) 0 deg C, 0.5 h, 2.) 23 deg C, 3,5 h
View Scheme
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
N-cyclohexyl-N-isopropylamine; methylmagnesium bromide in tetrahydrofuran
1.) 0 deg C, 0.5 h, 2.) 23 deg C, 3,5 h; Yield given. Yields of byproduct given;
参考文献
Corey; Marfat; Falck; Albright
Journal of the American Chemical Society, 1980 , vol. 102, # 4 p. 1433 - 1435
反应条件
1: 90 percent / H2, quinoline / Pd/BaSO4
2: 95 percent / PPh3, Br2 / 3 h / Ambient temperature
3: 1.) t-BuLi / 1.) THF, 2.) THF, -50 deg C, 1 h
4: bipyridinium chlorochromate / CH2Cl2 / 2.5 h / Ambient temperature
5: I2 / diethyl ether / 4 h / Ambient temperature
6: NaBH4 / methanol / 0.25 h / 0 °C
7: imidazole / dimethylformamide / 2.5 h / 50 °C
8: diisobutylaluminium hydride / CH2Cl2 / 0.08 h / -78 °C
9: pyridinium chlorochromate / CH2Cl2 / 2.5 h / Ambient temperature
10: 83 percent / 48percent aq. HF / acetonitrile / 2 h / Ambient temperature
11: 85 percent / pyridine / 4 h / Ambient temperature
12: t-BuOK / tetrahydrofuran
13: 100 percent / LiOH / propan-2-ol; H2O
View Scheme
参考文献
Gunn, Bruce P.; Brooks, Dee W.
Journal of Organic Chemistry, 1985 , vol. 50, # 22 p. 4417 - 4418
反应条件
1: oxalyl chloride, DMF / benzene / Ambient temperature
2: benzene; diethyl ether / -10 - -5 °C
3: Rh(OAc)2 / 1 h / Ambient temperature
4: CeCl3*5H2O, NaBH4 / propan-2-ol; H2O
5: pyridine / 0 °C
6: imidazole / dimethylformamide / Ambient temperature
7: 98 percent / H2, pyridine / Lindlar catalyst / hexane / 10 h / 760 Torr
8: 46 percent / 80percent AcOH / 48 h / Ambient temperature
9: 96 percent / CBr4, bis(1,2-diphenylphosphino)ethane (DIPHOS) / CH2Cl2 / 0.5 h / Ambient temperature
10: 1.) CuI, n-BuLi, 2.) HMPA / 1.) THF, hexane, -78 deg C, 15 min, 2.) THF, hexane, a.) from -78 to 0 deg C, 1 h, b) RT, 1 h
11: 61 percent / H2, pyridine / Lindlar catalyst / hexane / 10 h / 760 Torr
12: tetra-n-butylammonium fluoride / tetrahydrofuran / Ambient temperature
13: LiOH / 1,2-dimethoxy-ethane; H2O / Ambient temperature
View Scheme
参考文献
Leblanc, Yves; Fitzsimmons, Brian J.; Adams, Julian; Perez, Francoise; Rokach, Joshua
Journal of Organic Chemistry, 1986 , vol. 51, # 6 p. 789 - 793