2,3-二甲基-1,3-丁二烯合成路线 （共 777 条）
反应条件
in 1,4-dioxane
refluxing (3 h); vacuum distillation;
参考文献
Shcherbinin; Shvedov; Pavlov; Komalenkova; Chernyshev
Russian Journal of General Chemistry, 1998 , vol. 68, # 7 p. 1013 - 1016
反应条件
in tetrahydrofuran
byproducts: (CH3)2C3N2(CH(CH3)2)2; High Pressure; under N2, Schlenk techniques; addn. of Ge compd. and CH2C(Me)C(Me)CH2 toTHF, mixt. stirred at room temp. for 18 h, heated at 100°C for 3 d; NMR;
参考文献
Rupar, Paul A.; Staroverov, Viktor N.; Baines, Kim M.
Organometallics, 2010 , vol. 29, # 21 p. 4871 - 4881
反应条件
in benzene
3 h; Inert atmosphereGlovebox;
参考文献
Al-Rafia, S. M. Ibrahim; Momeni, Mohammad R.; McDonald, Robert; Ferguson, Michael J.; Brown, Alex; Rivard, Eric
Angewandte Chemie - International Edition, 2013 , vol. 52, # 25 p. 6390 - 6395
Angew. Chem., 2013 , vol. 125, # 25 p. 6518 - 6523
反应条件
in cyclohexane
byproducts: 1,2,3,4-tetraphenylnaphthalene; Irradiation (UV/VIS); irradiation of soln. of Ge-compd. and butadiene (254 nm, low pressure mercury lamp);
参考文献
Ando, Wataru; Tsumuraya, Takeshi; Sekiguchi, Akira
Chemistry Letters, 1987 , p. 317 - 318
反应条件
in benzene
Irradiation (UV/VIS); irradn. of (C6H4GeMe2)2 for 50 h with 10-W low-pressure Hg arc lamp in presence of excess CH2CMeCMeCH2 in C6H6; elem. anal.;
参考文献
Kira,M.; Sakamoto,K.; Sakurai,H.
Journal of the American Chemical Society, 1983 , vol. 105, p. 7469
反应条件
in cyclohexane
Irradiation (UV/VIS); irradn. with a low-pressure mercury lamp (254 nm) for 5h at room temp.; distn. under reduced pressure, purifn. by GLC;
参考文献
Ando, Wataru; Itoh, Hiroyuki; Tsumuraya, Takeshi
Organometallics, 1989 , vol. 8, p. 2759 - 2766
反应条件
CH3MgI in diethyl ether
1) GeI2 and C6H10 heated under Ar at 50°C to initiate react., kept at 110°C for 2 h; 2) CH3MgI (ether soln.) added to crude diiodide in ether under reflux, refluxed for 2 h, hydrolyzed with aq. satd. soln. of NH4Cl under ice-cooling; washed ether layer (water), dried (CaCl2), ether removed, distd. in vacuo;
参考文献
Takeuchi; Tanaka; Harazono
Bulletin of the Chemical Society of Japan, 1991 , vol. 64, # 1 p. 91 - 98
反应条件
in pentane
Irradiation (UV/VIS); (N2), 1 h irradiated; gas chromatography; elem. anal., NMR, mass. spectra;
参考文献
Bobbitt, Kevin L.; Maloney, Vincent M.; Gaspar, Peter P.
Organometallics, 1991 , vol. 10, p. 2772 - 2777
反应条件
in gas
pyrolysis at 470°C, ca. 2 Torr in presence of 10-fold excess of 2,3-dimethylbutadiene;
参考文献
Lei, Deqing; Gaspar, Peter P.
Polyhedron, 1991 , vol. 10, p. 1221 - 1226
反应条件
in cyclohexane
Irradiation (UV/VIS); a soln. of digermadithiane in cyclohexane was irradiated (Hanau TQ 150 lamp) in the presence of CH2=CMeCMe=CH2 under Ar for 1 h; reaction mixt. was analyzed by GC;
参考文献
Barrau, J.; Amine, M. El; Rima, G.; Satge, J.
Journal of Organometallic Chemistry, 1984 , vol. 277, # 3 p. 323 - 334
