2-苯基巯基苯并吡喃-4-酮合成路线 (共 59 条)
反应条件
1: 1.) sodium methoxide; 2.) 3 M KOH
2: 80 percent / phosphorus pentoxide, methanesulfonic acid
View Scheme
参考文献
Wadsworth, Donald H.; Detty, Michael R.
Journal of Organic Chemistry, 1980 , vol. 45, # 23 p. 4611 - 4615
反应条件
1: 53 percent / conc. H2SO4 / 1 h / 20 °C
2: 22 percent Turnov. / PPA(phosphoric pentaoxide 75percent) / 20 - 30 °C
View Scheme
参考文献
Nakazumi; Watanabe; Kitaguchi; Kitao
Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 3 p. 847 - 851
反应条件
1: 17 percent / NaOH / 36 h / 70 °C
2: 53 percent / conc. H2SO4 / 1 h / 20 °C
3: 22 percent Turnov. / PPA(phosphoric pentaoxide 75percent) / 20 - 30 °C
View Scheme
参考文献
Nakazumi; Watanabe; Kitaguchi; Kitao
Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 3 p. 847 - 851
反应条件
1: tetrahydrofuran
2: sodium hydroxide / ethanol / 20 °C
3: iodine / dimethyl sulfoxide / 12 h / 150 °C
View Scheme
参考文献
Zheng, Gang; Ma, Xiaoli; Liu, Bangyu; Dong, Ying; Wang, Mang
Advanced Synthesis and Catalysis, 2014 , vol. 356, # 4 p. 743 - 748
反应条件
1: 26 percent Turnov. / PPA(phosphoric pentaoxide 75percent) / 20 - 30 °C
2: 98percent H2SO4 / 20 °C
View Scheme
参考文献
Nakazumi; Watanabe; Kitaguchi; Kitao
Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 3 p. 847 - 851
反应条件
1: sodium hydroxide / ethanol / 20 °C
2: iodine / dimethyl sulfoxide / 12 h / 150 °C
View Scheme
参考文献
Zheng, Gang; Ma, Xiaoli; Liu, Bangyu; Dong, Ying; Wang, Mang
Advanced Synthesis and Catalysis, 2014 , vol. 356, # 4 p. 743 - 748
参考文献
Taylor, A. W.; Dean, D. K.
Tetrahedron Letters, 1988 , vol. 29, # 15 p. 1845 - 1848
反应条件
1: 26 percent Turnov. / PPA(phosphoric pentaoxide 75percent) / 20 - 30 °C
2: 98percent H2SO4 / 20 °C
View Scheme
参考文献
Nakazumi; Watanabe; Kitaguchi; Kitao
Bulletin of the Chemical Society of Japan, 1990 , vol. 63, # 3 p. 847 - 851
反应条件
trifluoromethanesulphinic acid in dichloromethane
9 h; Heatingother catalyst; other time; Product distributionMechanism;
参考文献
El-Zohry, M. F.; El-Khawaga, A. M.; Ismail, M. T.; Abdel-Wahab, A. A.
Phosphorus, Sulfur and Silicon and the Related Elements, 1991 , vol. 61, # 3.4 p. 373 - 380
参考文献
Ruhemann
Chemische Berichte, 1913 , vol. 46, p. 3393