3,6-二氢-4-甲基-2H-吡喃合成路线 (共 47 条)
反应条件
1: 65 percent / 95percent H2SO4 / 3 h / 10 - 20 °C
2: 84 percent / DDB / dioxane / 24 h / 20 °C
View Scheme
参考文献
Ibatullin, U. G.; Mukhametova, D. Ya.; Makaeva, R. M.; Safarov, M. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 4 p. 381 - 382
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 4 p. 461 - 462
反应条件
sodium hydroxide; pentacarbonyliron(0)
T=180°C; 10 h; autoclave, other time; Product distribution;
参考文献
Ibatullin, U. G.; Petrushina, T. F.; Akhmadeeva, A. A.; Safarov, M. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 3 p. 262 - 264
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 3 p. 318 - 320
反应条件
hydrogenchloride; triethylsilane; aluminium trichloride in dichloromethane
3 h; Ambient temperature;
参考文献
Kursanov, D. N.; Bolestova, G. I.; Ibatullin, U. G.; Kuramshina, E. A.; Parnes, Z. N.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 11 p. 2078 - 2085
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 11 p. 2274 - 2282
反应条件
hydrogen; palladium
T=120 - 180°C; other catalysts, other temperatures; Product distribution;
参考文献
Ibatullin, U. G.; Mukhanetova, D. Ya.; Vasil'eva, S. A.; Talipov, R. F.; Syurina, L. V.; et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1982 , vol. 31, p. 1866 - 1873
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1982 , # 9 p. 2114 - 2121
反应条件
other temperatures
T=70°C; 50 h; Product distribution;
参考文献
Ibatullin, U. G.; Mukhanetova, D. Ya.; Vasil'eva, S. A.; Talipov, R. F.; Syurina, L. V.; et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1982 , vol. 31, p. 1866 - 1873
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1982 , # 9 p. 2114 - 2121
反应条件
1: 1) ZnCl2 2) pyridine / 1) a) -60 to -30 deg C, 15 min b) -30 deg C, 1 h 2) ether, -60 deg C
2: 68 percent / P(OMe)3 / methanol / 2 h / 65 °C
View Scheme
参考文献
Pavlov, Yu. V.; Veselovskii, V. V.; Ibatullin, U. G.; Moiseenkov, A. M.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1990 , vol. 39, # 6 p. 1308 - 1309
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1990 , # 6 p. 1446 - 1447
反应条件
N,N,N',N,-tetramethylethylenediamine; sec.-butyllithium in tetrahydrofuran
-90 deg C, 5 h, -75 deg C to 25 deg C; Yield given. Yields of byproduct given;
参考文献
Margot, Christian; Maccaroni, Paola; Leroux, Frederic; Schlosser, Manfred
Tetrahedron, 1998 , vol. 54, # 42 p. 12853 - 12858