2,2-二甲基-苯并二氢吡喃-4-酮合成路线 (共 66 条)
反应条件
1: 92 percent / KOH / methanol / 1 h / Heating
2: Raney-Ni / ethanol / Ambient temperature
View Scheme
参考文献
Sebok; Timar; Eszenyi; Patonay
Journal of Organic Chemistry, 1994 , vol. 59, # 21 p. 6318 - 6321
反应条件
1: 74 percent / tetrahydrofuran; diethyl ether / 0.5 h / -10 - -5 °C
2: sodium chloride / dimethylsulfoxide; H2O / 4 h / 155 °C
View Scheme
参考文献
Wallace, Timothy W.
Tetrahedron Letters, 1984 , vol. 25, # 38 p. 4299 - 4302
反应条件
nickel in ethanol
Ambient temperature;
参考文献
Sebok; Timar; Eszenyi; Patonay
Journal of Organic Chemistry, 1994 , vol. 59, # 21 p. 6318 - 6321
反应条件
3-chloro-benzenecarboperoxoic acid
参考文献
Yamazaki, Shigekazu
Organic and Biomolecular Chemistry, 2010 , vol. 8, # 10 p. 2377 - 2385
反应条件
sodium tetrahydroborate in methanol
参考文献
Brogden, Peter J.; Hepworth, John D.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , p. 827 - 830
反应条件
2: aluminium chloride; carbon disulfide
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参考文献
Colonge; Chambard
Bulletin de la Societe Chimique de France, 1953 , p. 573,577, 582
反应条件
2: aluminium chloride; carbon disulfide
View Scheme
参考文献
Colonge; Chambard
Bulletin de la Societe Chimique de France, 1953 , p. 573,577, 582
反应条件
copper(I) bromide dimethylsulfide complex; boron trifluoride diethyl etherate
1.) ether, -10 deg C; 2.) ether, between -70 deg C and room temp., 14 h; Yield given. Multistep reaction;
参考文献
Clarke, Paul D.; Fitton, Alan O.; Suschitzky, Hans; Wallace, Timothy W.; Dowlatshahi, Hossein A.; Suschitzki, John L.
Tetrahedron Letters, 1986 , vol. 27, # 1 p. 91 - 94
反应条件
zinc(II) chloride; trichlorophosphate
52 h; Ambient temperature; Yield given. Further byproducts given. Yields of byproduct given;
参考文献
Seboek, Peter; Jekoe, Jozsef; Timar, Tibor; Jaszberenyi, Joseph Cs.
Tetrahedron Letters, 1992 , vol. 33, # 20 p. 2791 - 2794
反应条件
1: 80 °C / zuletzt bei 160grad
2: pyridine-base
3: zinc chloride / 140 - 160 °C
View Scheme
参考文献
Skraup; Beng
Chemische Berichte, 1927 , vol. 60, p. 946