2,3-二甲基-1,3-丁二烯合成路线 (共 777 条)
反应条件
in neat (no solvent) Irradiation (UV/VIS); Ge deriv. and a large excess of organic reagent irradiating in a quartztube for 4 h then concg. in vacuo; identified by high-pressure chromy. and NMR spectra;
参考文献
Riviere, P.; Castel, A.; Satge, J.; Guyot, D.
Journal of Organometallic Chemistry, 1984 , vol. 264, # 1-2 p. 193 - 206
反应条件
1: With carbon monoxide; {Pd([1,10]phenanthroline)2}[BF4]2; triethylamine in tetrahydrofuran T=100°C; P=7500.75 Torr; 6 h; 2: in benzene T=200°C; P=7500.75 Torr; 3 h; Further stages. 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
T=400 - 450°C; P=0.001 Torr; 4 h; Further byproducts given;
参考文献
Journal of Organometallic Chemistry, , vol. 542, # 2 p. 219 - 225
反应条件
T=450°C; P=0.001 Torr; Further byproducts given;
参考文献
Journal of Organometallic Chemistry, , vol. 542, # 2 p. 219 - 225
反应条件
selenium; caesium carbonate in acetonitrile Heating;
参考文献
Tetrahedron Letters, , vol. 32, # 50 p. 7389 - 7392
反应条件
in toluene 4 h; -50 deg C to r.t.;
参考文献
Angewandte Chemie, , vol. 97, # 10 p. 870 - 871
反应条件
1.1: hydroquinone / benzene / 15 h / 180 °C / |Sealed tube; |Inert atmosphere 2.1: sodium hydroxide / water / 0.5 h / 40 °C 2.2: pH 4 3.1: tri-ruthenium(0)dodecacarbonyl; 1,3-bis-(diphenylphosphino)propane / toluene / 24 h / 130 °C / |Sealed tube; |Inert atmosphere 4.1: tetrabutylammonium dioxovanadium(V)-dipicolinate; sodium sulfite / benzene / 96 h / 180 °C / |Sealed tube 5.1: carbon / benzene / 12 h / 80 °C / 760.05 Torr / |Sealed tube View Scheme
参考文献
Geary, Laina M.; Chen, Te-Yu; Montgomery, T. Patrick; Krische, Michael J.
Journal of the American Chemical Society, 2014 , vol. 136, # 16 p. 5920 - 5922
反应条件
1: acetylenecarboxylic acid With 2-bromobenzene boronic acid in dichloromethane T=25°C; 0.166667 h; Inert atmosphere; 2: 2,3-dimethyl-buta-1,3-diene in dichloromethane T=25°C; Diels-Alder cycloaddition; 48 h; Inert atmosphere; 3: With 2,3-dicyano-5,6-dichloro-p-benzoquinone in dichloromethane T=25°C; 4 h; Inert atmosphere;
参考文献
Zheng, Hongchao; Hall, Dennis G.
Tetrahedron Letters, 2010 , vol. 51, # 27 p. 3561 - 3564
反应条件
hydrogen; zirconium tetra-n-butoxide; diethylaluminium chloride; nickel; triphenylphosphine 1.) toluene, 100 deg C, 8 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Dzhemilev, U. B.; Ibragimov, A. G.; Tolstikov, G. A.; Vostrikova, O. S.; Zelenova, L. M.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, # 11 p. 2066 - 2071
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 11 p. 2313 - 2319
反应条件
beim Ueberleiten der Daempfe ueber Pyrit bei Dunkelrotglut;
参考文献
Steinkopf
Justus Liebigs Annalen der Chemie, 1914 , vol. 403, p. 35