2,3-二甲基-1,3-丁二烯合成路线 (共 777 条)
反应条件
1: propynecarboxylic acid With 2-bromobenzene boronic acid in 1,2-dichloro-ethane T=50°C; 0.166667 h; Inert atmosphere; 2: 2,3-dimethyl-buta-1,3-diene in 1,2-dichloro-ethane T=50°C; Diels-Alder cycloaddition; 96 h; Inert atmosphere; 3: With 2,3-dicyano-5,6-dichloro-p-benzoquinone in 1,2-dichloro-ethane 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
参考文献
Kelso et al.
Journal of the American Chemical Society, 1952 , vol. 74, p. 287,292
参考文献
Bergmann
Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1920 , vol. 52, p. 38
Chem. Zentralbl., 1923 , vol. 94, # III p. 824
反应条件
1: 140 - 150 °C 2: sulfur / 220 - 230 °C View Scheme
参考文献
Arai,A.; Ichikizaki,I.
Bulletin of the Chemical Society of Japan, 1961 , vol. 34, p. 1571 - 1583
反应条件
in toluene 21 h; Heating;
参考文献
Ito, Shunji; Okujima, Tetsuo; Kabuto, Chizuko; Morita, Noboru
Tetrahedron, 2003 , vol. 59, # 25 p. 4651 - 4659
反应条件
toluene T=160 - 180°C;
参考文献
Piepenbrink
Justus Liebigs Annalen der Chemie, 1951 , vol. 572, p. 83,91
反应条件
triethylamine in 1,4-dioxane T=150°C; 24 h;
参考文献
Journal of Organic Chemistry, , vol. 62, # 26 p. 9018 - 9023
反应条件
1: formamide; phosphoryl chloride; nitrobenzene 2: sulfur / 150 °C View Scheme
参考文献
Lora-Tamayo et al.
Bulletin de la Societe Chimique de France, 1958 , p. 1331
反应条件
in dichloromethane T=-78°C;
参考文献
Golding, Bernard T.; Pombo-Villar, Esteban; Samuel, Christopher J.
Journal of the Chemical Society, Chemical Communications, 1985 , # 20 p. 1444 - 1445
反应条件
trichlorophosphate in dichloromethane T=-40°C; 3 h;
参考文献
Beloglazkina; Belova; Antipin; Zyk; Buryak
Russian Journal of Organic Chemistry, 2003 , vol. 39, # 4 p. 513 - 526