2,3-二甲基-1,3-丁二烯合成路线 （共 777 条）
反应条件
1: 1.) SOCl2, pyridine / 1.) C6H6, r.t., 1 h, 2.) reflux, overnight
2: KOH / methanol / 2 h / Heating
3: (i-Pr)2NEt / toluene / 0 °C
4: 1 h / 0 °C
View Scheme
参考文献
D'Auria, Maurizio; De Luca, Eliana; Mauriello, Giacomo; Racioppi, Rocco; Sleiter, Giancarlo
Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 16 p. 2369 - 2373
反应条件
1: PhMe2SiLi in tetrahydrofuran
T=0°C; 0.5 h;
2: 2,3-dimethyl-buta-1,3-diene in tetrahydrofuran
T=-40°C;
3: With water in tetrahydrofuran
Further stages.;
参考文献
Liepins, Vilnis; Baeckvall, Jan-E.
European Journal of Organic Chemistry, 2002 , # 21 p. 3527 - 3535
反应条件
in cyclohexane
Irradiation (UV/VIS); irradiation of catenate in cyclohexane containing a large excess of 2,3-dimethylbutadiene as trapping agent with a 110 W low pressure Hg arc lamp at room temp. under Ar for 1-4 h; identification by GC and GC-MS;
参考文献
Mochida, Kunio; Kikkawa, Haruhiko; Nakadaira, Yasuhiro
Journal of Organometallic Chemistry, 1991 , vol. 412, # 1.2 p. 9 - 19
反应条件
in cyclohexane
1 h; Ambient temperatureIrradiation;
参考文献
Mochida, Kunio; Kikkawa, Haruhiko; Nakadaira, Yasuhiro
Journal of Organometallic Chemistry, 1991 , vol. 412, # 1.2 p. 9 - 19
参考文献
Dale; Sisti
Journal of Organic Chemistry, 1957 , vol. 22, p. 449
参考文献
Dale; Sisti
Journal of Organic Chemistry, 1957 , vol. 22, p. 449
反应条件
in benzene
T=450°C; in a vertical Pyrex tube packed with Pyrex chips;
参考文献
Sekiguchi, Akira; Ando, Wataru
Tetrahedron Letters, 1983 , vol. 24, # 27 p. 2791 - 2794
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: 70 percent / 18 h / 120 °C
2: 42 percent / H2 / Pd/C / methanol
3: 89 percent / acetonitrile; ethanol / 20 °C / anodic oxidation
View Scheme
参考文献
Hermeling, Dieter; Schaefer, Hans J.
Angewandte Chemie, 1984 , vol. 96, # 3 p. 238 - 239
反应条件
1: 1.) SOCl2, pyridine / 1.) C6H6, r.t., 1 h, 2.) reflux, overnight
2: KOH / methanol / 2 h / Heating
3: (i-Pr)2NEt / toluene / 0 °C
4: 1 h / 0 °C
5: 85 percent / K2CO3, I2 / methanol / 1.) r.t., 2 h, 2.) 0 deg C, overnight
View Scheme
参考文献
D'Auria, Maurizio; De Luca, Eliana; Mauriello, Giacomo; Racioppi, Rocco; Sleiter, Giancarlo
Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 16 p. 2369 - 2373
