2,3-二甲基-1,3-丁二烯合成路线 (共 777 条)
反应条件
tin(ll) chloride in tetrahydrofuran
12 h; Ambient temperature; Yield given;
参考文献
Grobe, Joseph; Van, Duc Le; Schulze, Joachim
Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie, 1985 , vol. 40, # 12 p. 1753 - 1755
反应条件
1.1: SOCl2; pyridine / benzene / 1.5 h / 20 °C
1.2: benzene / 5 h / Heating
2.1: 11.4 g / KOH / methanol / 2 h / Heating
3.1: 80 percent / 30 percent H2O2 / pyridine / 2 h / 50 °C
View Scheme
参考文献
Chen, Qingqi; Wang, Tianyu; Zhang, Yi; Wang, Qiuan; Ma, Jinshi
Synthetic Communications, 2002 , vol. 32, # 7 p. 1031 - 1040
反应条件
Sc(OPf)3 in carbon dioxide
T=50°C; Cycloaddition; Diels-Alder reaction; P=114000 Torr; 24 h;
参考文献
Matsuo, Jun-Ichi; Tsuchiya, Takehiro; Odashima, Kazunori; Kobayashi, Shu
Chemistry Letters, 2000 , # 2 p. 178 - 179
参考文献
Birch; Slaytor
Australian Journal of Chemistry, 1955 , vol. 8, p. 144
反应条件
1: neat (no solvent) / |Inert atmosphere; |Schlenk technique
2: manganese(IV) oxide / toluene / 3 h / |Inert atmosphere; |Schlenk technique
3: bromine / dichloromethane / |Inert atmosphere; |Schlenk technique
View Scheme
参考文献
Sullivan, David J.; Clerac, Rodolphe; Jennings, Michael; Lough, Alan J.; Preuss, Kathryn E.
Chemical Communications, 2012 , vol. 48, # 89 p. 10963 - 10965
反应条件
1: 2,3-dimethyl-buta-1,3-diene With ethyl magnesium chloride; [NiCl2Py4] in tetrahydrofuran
T=20°C; Addition; Hydromagnesation; 40 h;
2: carbon dioxide in tetrahydrofuran
Carboxylation;
参考文献
Viktorov; Zubritskii
Russian Journal of Organic Chemistry, 1999 , vol. 35, # 12 p. 1755 - 1765
反应条件
1: 2,3-dimethyl-buta-1,3-diene With isopropylmagnesium chloride; [NiCl2Py4] in tetrahydrofuran
T=20°C; Addition; Hydromagnesation; Dimerization; 40 h;
2: carbon dioxide in tetrahydrofuran
Carboxylation;
参考文献
Viktorov; Zubritskii
Russian Journal of Organic Chemistry, 1999 , vol. 35, # 12 p. 1755 - 1765
反应条件
toluene-4-sulfonic acid in benzene
8 h; Heating;
参考文献
Alonso-Silva, Ignacio J.; Pardo, Mercedes; Soto, Jose L.
Heterocycles, 1988 , vol. 27, # 2 p. 357 - 364
反应条件
1: With bis(cyclopentadienyl)titanium dichloride; n-butyl-magnesium chloride in tetrahydrofuran
T=0°C; 2 h;
2: With water in tetrahydrofuran
T=0°C;
参考文献
Nii, Shinsuke; Terao, Jun; Kambe, Nobuaki
Journal of Organic Chemistry, 2004 , vol. 69, # 2 p. 573 - 576
反应条件
{Pd([1,10]phenanthroline)2}[BF4]2; triethylamine in toluene
T=120°C; P=45004.5 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