2,3-二甲基-1,3-丁二烯合成路线 （共 777 条）
参考文献
Claisen
Journal fuer Praktische Chemie (Leipzig), 1922 , vol. <2> 105, p. 72
Chemische Berichte, 1925 , vol. 58, p. 279 Anm. 15
参考文献
Austerweil
Patent: DE245180 ;
Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 10, p. 1027
反应条件
ammonium cerium(IV) nitrate; iodine 2 h; Ambient temperature;
参考文献
Horiuchi, C. Akira; Hosokawa, Haruomi; Kanamori, Miyuki; Muramatsu, Yukiko; Ochiai, Keiko; Takahashi, Eiji
Chemistry Letters, 1995 , # 1 p. 13 - 14
反应条件
sodium; magnesium bromide in tetrahydrofuran to a suspn. of active Mg prepd. by redn. of MgBr with Na in boiling THFis added 2,3-dimethylbutadiene, stirred for 3 d at 25°C, 1-chloro-1-ethoxy-1-germacyclopent-3-ene is added dropwise, stirred for 12 h at25°C, refluxed for 24 h; hydrolysis, distn.; elem. anal.;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 905 - 914
反应条件
lithium in tetrahydrofuran; diethyl ether the action of 1,1-dichloro-1-germacyclopent-3-ene with 2,3-dimethylbutadiene and small pieces of Li;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 905 - 914
反应条件
in tetrahydrofuran; diethyl ether byproducts: LiCl; under Ar; addn. of dichloride and butadiene in one portion to a stirredsuspn. of finely cut Li in Et2O/THF (exothermic reaction), external cooling, pptn. of LiCl (5-6 h), treated with H2O; organic layer dried (over CaCl2), distn.; elem. anal.;
参考文献
Mazerolles, Pierre; Gregoire, Fabienne
Journal of Organometallic Chemistry, 1986 , vol. 301, p. 153 - 160
反应条件
aluminum oxide T=450°C;
参考文献
Hercules Powder Co.
Patent: US2549651 , 1948 ;
反应条件
1: acetamide; phosphoryl chloride; nitrobenzene / 180 °C 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
(i) nBuLi, THF, (ii) /BRN= 605285/; Multistep reaction;
参考文献
Newcomb,M.; Ford,W.T.
Journal of Organic Chemistry, 1974 , vol. 39, p. 232 - 236
反应条件
1: hydroquinone / 110 °C 2: P2O5 / 175 - 225 °C View Scheme
参考文献
Skwartschenko et al.
Vestnik Moskovskogo Universiteta, 1958 , vol. 13, # 5 p. 187,189
Chem.Abstr., 1959 , p. 12249
