3,4-二甲基吡咯-2,5-二酮合成路线 （共 9 条）
反应条件
methanol; 1,1,1,3,3,3-hexamethyl-disilazane in N,N-dimethyl-formamide
16 h; Ambient temperature;
参考文献
Davis; Bit
Tetrahedron Letters, 1990 , vol. 31, # 36 p. 5201 - 5204
反应条件
methanol; ammonia
T=105°C;
参考文献
Molinari
Chemische Berichte, 1900 , vol. 33, # 1411 p. 1416
反应条件
ethanol; ammonia
T=105°C;
参考文献
Molinari
Chemische Berichte, 1900 , vol. 33, # 1411 p. 1416
反应条件
1: T=300°C; 360 h; Sealed tube;
2: With chromium(VI) oxide; sulfuric acid in water
T=0 - 20°C; 2 h;
参考文献
Asahina, Kenta; Asano, Junya; Kumagai, Gen; Satou, Mitsuru; Nomoto, Kouichi; Kashiyama, Yuichiro; Mita, Hajime; Nomoto, Shinya
Chemistry Letters, 2010 , vol. 39, # 12 p. 1267 - 1269
反应条件
sulfuric acid; lead dioxide
参考文献
Fischer,H.; Hahn
Hoppe-Seyler's Zeitschrift fuer Physiologische Chemie, 1913 , vol. 84, p. 260
反应条件
TFA-d1 (trifluoroacetic acid-d1) in 1,2-dichloro-benzene
T=150°C; fragmentation studies of 5-(arylnitromethylene)-3-pyrrolin-2-ones, 5-nitrobilin-1,19-diones, 5-nitropyrromethenone; further temperature, further solvent; Product distributionRate constant;
参考文献
Ribo, Josep; Trull, Francesc
Liebigs Annalen der Chemie, 1983 , # 1 p. 1 - 7
反应条件
Na-montmorillonite
T=150 - 350°C; 72 h; 2.) 10 percent CrO3 in H2SO4, rt., 2 h; Product distribution; Further Variations:Temperaturesreaction time;
参考文献
Nomoto, Shinya; Kozono, Masaki; Mita, Hajime; Shimoyama, Akira
Chemistry Letters, 2001 , # 11 p. 1174 - 1175
参考文献
Plieninger; Decker
Justus Liebigs Annalen der Chemie, 1956 , vol. 598, p. 198,205
反应条件
1: 83 percent / NBS, benzoyl peroxide / CCl4 / 4 h / Heating
2: 76 percent / NaOEt / ethanol / 2 h / Heating
3: 43 percent / 1N HCl / 4 h / Heating
View Scheme
参考文献
Brynjelsen, Sean E.; Doty, Mark; Poss, Mitchell J.
Synthetic Communications, 1998 , vol. 28, # 10 p. 1885 - 1889
