3,6-二氢-4-甲基-2-苯基-2H-吡喃合成路线 (共 18 条)
反应条件
pyridine; anhydrous sodium hydrogen carbonate; benzaldehyde; aluminium trichloride in toluene
参考文献
Kao Corporation
Patent: US5907048 A1, 1999 ;
反应条件
Sc(OPf)3 in hexane
T=20°C; hetero Diels-Alder reaction; 24 h;
参考文献
Hanamoto, Takeshi; Sugimoto, Yuichi; Jin, Yong Zhi; Inanaga, Junji
Bulletin of the Chemical Society of Japan, 1997 , vol. 70, # 6 p. 1421 - 1426
反应条件
boron trifluoride diethyl etherate in benzene
T=20°C; 0.5 h;
参考文献
Bondalapati, Somasekhar; Reddy, Udagandla C.; Saha, Pipas; Saikia, Anil K.
Organic and Biomolecular Chemistry, 2011 , vol. 9, # 9 p. 3428 - 3438
反应条件
bis(tricyclohexylphosphine)benzylidene ruthenium(IV) dichloride in dichloromethane
Cyclization; Ring-closing metathesis; Heating;
参考文献
Marco, J. Alberto; Carda, Miguel; Rodriguez, Santiago; Castillo, Encarnacion; Kneeteman, Maria N.
Tetrahedron, 2003 , vol. 59, # 23 p. 4085 - 4101
反应条件
trifluorormethanesulfonic acid in toluene
T=20°C;
参考文献
Aggarwal, Varinder K.; Vennall, Graham P.; Davey, Paul N.; Newman, Chris
Tetrahedron Letters, 1997 , vol. 38, # 14 p. 2569 - 2572
反应条件
zinc in ethanol
T=70 - 80°C; further dehalogenation agent; Title compound not separated from byproducts;
参考文献
Kazaryan, P. I.; Avakyan, O. V.; Avakyan, S. V.; Gevorkyan, A. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 9 p. 988 - 992
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 9 p. 1189 - 1193
反应条件
sulfuric acid in toluene
T=110°C; 2 h;
参考文献
Romanov, N. A.; Kantor, E. A.; Musavirov, R. S.; Karakhanov, R. A.; Rakhmankulov, D. L.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 1576 - 1581
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 8 p. 1762 - 1767
反应条件
triethylsilane; boron trifluoride diethyl etherate in dichloromethane
T=-78°C; 1 h; Yield given;
参考文献
Kraus, George A.; Frazier, Kevin A.; Roth, Bruce D.; Taschner, Michael J.; Neuenschwander, Kent
Journal of Organic Chemistry, 1981 , vol. 46, # 11 p. 2417 - 2419
反应条件
1: Zn; H2O / tetrahydrofuran
3: 85 percent / Cl2(PCy3)2Ru=CHPh / CH2Cl2 / Heating
View Scheme
参考文献
Carda, Miguel; Castillo, Encarnacion; Rodriguez, Santiago; Uriel, Santiago; Marco, J. Alberto
Synlett, 1999 , # 10 p. 1639 - 1641
反应条件
indium(III) chloride in dichloromethane
T=20°C; 0.833333 h;
参考文献
Bondalapati, Somasekhar; Reddy, Udagandla C.; Saha, Pipas; Saikia, Anil K.
Organic and Biomolecular Chemistry, 2011 , vol. 9, # 9 p. 3428 - 3438