螺[呋喃-2(3H),1'-[2,5]环己二烯]-4',5(4H)-二酮合成路线 (共 11 条)
反应条件
sulfuric acid; tin(IV) chloride 1.) MeNO2, 2 min; 2.) reflux, 1 h; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Chemical and Pharmaceutical Bulletin, , vol. 35, # 5 p. 1762 - 1769
反应条件
PhI(OCH2CF3)2; lithium perchlorate in 2,2,2-trifluoroethanol
T=20°C; 0.5 h;
参考文献
Amano, Yoshiharu; Nishiyama, Shigeru
Heterocycles, 2008 , vol. 75, # 8 p. 1997 - 2003
反应条件
1: With triphenylphosphine in chloroform
T=20°C; 0.333333 h;
2: With toluene-4-sulfonic acid in chloroform
T=50°C; Reagent/catalyst;
参考文献
Jones, Kevin M.; Hillringhaus, Tim; Klussmann, Martin
Tetrahedron Letters, 2013 , vol. 54, # 25 p. 3294 - 3297
反应条件
H4SiW12O40; bis-[(trifluoroacetoxy)iodo]benzene in acetonitrile
T=0 - 20°C;
参考文献
Hata, Kayoko; Hamamoto, Hiromi; Shiozaki, Yukiko; Kita, Yasuyuki
Chemical Communications, 2005 , # 19 p. 2465 - 2467
反应条件
pyridine; bis-[(trifluoroacetoxy)iodo]benzene in acetonitrile
0.166667 h; Ambient temperature;
参考文献
Tamura, Yasumitsu; Yakura, Takayuki; Haruta, Jun-ichi; Kita, Yasuyuki
Journal of Organic Chemistry, 1987 , vol. 52, # 17 p. 3927 - 3930
反应条件
[bis(acetoxy)iodo]benzene in methanol
0.166667 h;
参考文献
Mitchell, Anthony S.; Russell, Richard A.
Tetrahedron, 1997 , vol. 53, # 12 p. 4387 - 4410
反应条件
in 2,2,2-trifluoroethanol
T=20°C; Oxidation; cyclization; acetylation; isomerization; 0.5 h;
参考文献
Braun, Norbert A.; Ousmer, Malika; Bray, Jonathan D.; Bouchu, Denis; Peters, Karl; Peters, Eva-Maria; Ciufolini, Marco A.
Journal of Organic Chemistry, 2000 , vol. 65, # 14 p. 4397 - 4408
反应条件
[bis(acetoxy)iodo]benzene
0.166667 h;
参考文献
Mitchell, Anthony S.; Russell, Richard A.
Tetrahedron, 1997 , vol. 53, # 12 p. 4387 - 4410
反应条件
1.1: 5,15,10,20-tetraphenylporphyrin; oxygen / chloroform / 16 h / 20 °C / |Irradiation
2.1: triphenylphosphine / chloroform / 0.33 h / 20 °C
2.2: 50 °C
View Scheme
参考文献
Jones, Kevin M.; Hillringhaus, Tim; Klussmann, Martin
Tetrahedron Letters, 2013 , vol. 54, # 25 p. 3294 - 3297
反应条件
trifluorormethanesulfonic acid; trifluoroacetic acid
25 h; Ambient temperature;
参考文献
Abramovitch, Rudolph A.; Hawi, Amale; Rodrigues, J. Augusto R.; Trombetta, Tania R.
Journal of the Chemical Society, Chemical Communications, 1986 , # 4 p. 283 - 284