2,3-二甲基-1,3-丁二烯合成路线 （共 777 条）
反应条件
1: 96 percent / diethyl ether / 24 h / Ambient temperature 2: 68 percent / S8 / various solvent(s) / 2.5 h / 210 - 230 °C 3: 93 percent / formamide / 2 h / 150 °C 4: 40 percent / Sn/HCl / 5 h / Heating View Scheme
参考文献
Hennige, Hans; Kreher, Richard P.; Konrad, Michael; Jelitto, Frank
Chemische Berichte, 1988 , vol. 121, p. 243 - 252
反应条件
carbon monoxide; {Pd([1,10]phenanthroline)2}[BF4]2; triethylamine in tetrahydrofuran T=100°C; P=7500.75 Torr; 6 h; Title compound not separated from byproducts.;
参考文献
Ragaini, Fabio; Cenini, Sergio; Brignoli, Daniela; Gasperini, Michela; Gallo, Emma
Journal of Organic Chemistry, 2003 , vol. 68, # 2 p. 460 - 466
反应条件
dihydrogen peroxide; MoO(O2)(2,6-pyridinedicarboxylato-O,N,O')(HMPA) T=20°C; oxidation/cycloaddition; 18 h;
参考文献
Moller, Eval Rud; Jorgensen, Karl Anker
Journal of Organic Chemistry, 1996 , vol. 61, # 17 p. 5770 - 5778
反应条件
in 1,4-dioxane T=100°C; Cycloaddition; 3 h;
参考文献
Morita, Hiroyuki; Takeda, Masahiro; Yoshimura, Toshiaki; Fujii, Takayoshi; Ono, Shin; Shimasaki, Choichiro
Journal of Organic Chemistry, 1999 , vol. 64, # 18 p. 6730 - 6737
反应条件
sodium; magnesium bromide in tetrahydrofuran an active Mg prepd. by redn. of MgBr with Na in boiling THF reacted with 2,3-dimethylbutadiene and (EtO)2GeCl2;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 905 - 914
反应条件
lithium in tetrahydrofuran; diethyl ether the action of 3,4-dimethyl-1,1-dichloro-1-germacyclopent-3-ene with 2,3-dimethylbutadiene and small pieces of Li;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 905 - 914
反应条件
sodium; magnesium bromide in tetrahydrofuran an active Mg prepd. by redn. of MgBr with Na in boiling THF reacted with 2,3-dimethylbutadiene and 3,4-dimethyl-1,1-diiodo-1-germacyclopent-3-ene;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 905 - 914
反应条件
sodium; magnesium bromide in tetrahydrofuran an active Mg prepd. by redn. of MgBr with Na in boiling THF reacted with 2,3-dimethylbutadiene and GeCl4;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 905 - 914
反应条件
in tetrahydrofuran; diethyl ether byproducts: LiCl; under Ar; addn. of dichloride and butadiene in one portion to a stirredsuspn. of finely cut Li in Et2O/THF (exothermic reaction), external cooling, pptn. of LiCl (5-6 h), treated with H2O; organic layer dried (over CaCl2), distn.; elem. anal.;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Journal of Organometallic Chemistry, 1986 , vol. 301, p. 153 - 160
反应条件
benzoic acid N'-isopropylhydrazide hydrochloride in methanol; water T=20°C; Diels-Alder reaction; 48 h;
参考文献
Cavill, Julie L.; Peters, Jens-Uwe; Tomkinson, Nicholas C. O.
Chemical Communications, 2003 , # 6 p. 728 - 729
