2,3-二甲基-5-亚甲基-2-环戊烯-1-酮合成路线 （共 64 条）
反应条件
formaldehyd; sodium hydride in tetrahydrofuran
T=-10°C; 0.0833333 h;
参考文献
Newton, Roger F.; Reynolds, Derek P.
Synthetic Communications, 1981 , vol. 11, # 7 p. 527 - 532
反应条件
potassium carbonate in ethanol; water
20 h; Ambient temperature;
参考文献
Mikolajczyk, Marian; Zatorski, Andrzej
Journal of Organic Chemistry, 1991 , vol. 56, # 3 p. 1217 - 1223
反应条件
TEA; silver perchlorate in dichloromethane
1.) 0 deg C, 20 min, 2.) RT, 2 h;
参考文献
Rizzo; Dunlap; Smith III
Journal of Organic Chemistry, 1987 , vol. 52, # 23 p. 5280 - 5283
参考文献
Stetter, Hermann; Haese, Wilfried
Chemische Berichte, 1984 , vol. 117, # 2 p. 682 - 693
反应条件
2,5,7,8-tetramethyl-2-(4',8',12'-trimethyltridecyl)-6-chromanol in various solvent(s)
T=200°C; 12 h; or photolysis in presence of 4-t-butylcatechol in 1,2-epoxyoctane/1,2-dichlorohexane, 200 deg C, irradiation, 12 h;
参考文献
Jacobi, Peter A.; Cann, Reginald O.; Skibbie, David F.
Tetrahedron Letters, 1992 , vol. 33, # 17 p. 2265 - 2268
反应条件
1: 75 percent / 2percent NaOH / ethanol
2: 80 percent / K2CO3 / ethanol
View Scheme
参考文献
Balczewski, Piotr
Tetrahedron, 1997 , vol. 53, # 6 p. 2199 - 2212
反应条件
copper (I) iodide; dicyclohexyl-carbodiimide
参考文献
Mikolajczyk; Grzejszczak; Lyzwa
Tetrahedron Letters, 1982 , vol. 23, # 21 p. 2237 - 2240
反应条件
1: EtONa / ethanol / 1.) -10 deg C, 1 h, 2.) -10 deg C -> room temperature, 24 h
2: 38 percent / NaH, CH2O gas / tetrahydrofuran / 0.08 h / -10 °C
View Scheme
参考文献
Newton, Roger F.; Reynolds, Derek P.
Synthetic Communications, 1981 , vol. 11, # 7 p. 527 - 532
反应条件
1: Ph3CH, n-BuLi / tetrahydrofuran; hexane / 1.) -78 deg C, 15 min, 2.) -78 deg C
2: MnO2 / CH2Cl2 / 24 h / Ambient temperature
3: 55 percent / vitamin E, 1,2-epoxyoctane / various solvent(s) / 12 h / 200 °C
View Scheme
参考文献
Jacobi; Brielmann; Cann
Journal of Organic Chemistry, 1994 , vol. 59, # 18 p. 5305 - 5316
反应条件
1: MnO2 / CH2Cl2 / 24 h / Ambient temperature
2: 55 percent / vitamin E, 1,2-epoxyoctane / various solvent(s) / 12 h / 200 °C
View Scheme
参考文献
Jacobi; Brielmann; Cann
Journal of Organic Chemistry, 1994 , vol. 59, # 18 p. 5305 - 5316
