2,3-二甲基-1,3-丁二烯合成路线 （共 777 条）
反应条件
hydrogen bromide in water
参考文献
CADILA HEALTHCARE LIMITED; DESAI, Ranjit, C.; BAHEKAR, Rajesh; JADAV, Pradip; GOSWAMI, Amitgiri; PATEL, Pankaj
Patent: WO2014/61031 A1, 2014 ;
Location in patent: Page/Page column 29; 30 ;
反应条件
1: 2-propen-2-ylmagnesium bromide With zinc dibromide in tetrahydrofuran T=20°C; 2: cyclohept-1-en-1-yl trifluoromethanesulfonate; carbon monoxide With zinc dibromide; nickel dichloride in tetrahydrofuran; dimethyl sulfoxide T=50°C; Negishi coupling; P=760.051 Torr; 0.333333 h; Further stages.;
参考文献
Wang, Qiaoling; Chen, Chuo
Tetrahedron Letters, 2008 , vol. 49, # 18 p. 2916 - 2921
反应条件
1: 2-propen-2-ylmagnesium bromide With zinc dibromide in tetrahydrofuran T=20°C; 2: carbon monoxide; cyclohex-1-en-1-yl trifluoromethanesulfonate With magnesium bromide; nickel dichloride in tetrahydrofuran; dimethyl sulfoxide T=50°C; Negishi coupling; P=760.051 Torr; 0.533333 h; Further stages.;
参考文献
Wang, Qiaoling; Chen, Chuo
Tetrahedron Letters, 2008 , vol. 49, # 18 p. 2916 - 2921
反应条件
formic acid; triethylamine; palladium diacetate in N-methyl-acetamide
参考文献
SHELL INTERNATIONALE RESEARCH, MAATSCHAPPIJ B.V.
Patent: EP370563 A1, 1990 ;
反应条件
1: 2: 2,3-dimethylbutane-2,3-diol With [EMIM][HSO4] T=140°C;
参考文献
Ignatyev, Nikolai (Mykola); Welz-Biermann, Urs; Koppe, Karsten; Barthen, Peter; Frohn, Hermann Josef
Patent: US2009/62571 A1, 2009 ;
Location in patent: Page/Page column 9 ;
反应条件
(PhSO2)2 in dichloromethane-d2; toluene T=80°C; 26 h;
参考文献
Markovic, Dean; Vogel, Pierre
Organic Letters, 2004 , vol. 6, # 16 p. 2693 - 2696
参考文献
Aitken, R. Alan; Hodgson, Philip K.G.; Morrison, John J.; Oyewale, Adebayo O.
Journal of the Chemical Society. Perkin Transactions 1, 2002 , # 3 p. 402 - 415
反应条件
aluminum oxide T=420 - 470°C; Destillation unter vermindertem Druck;
参考文献
BASF
Patent: DE256717 ;
Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 11, p. 796
Full Text Show Details
BASF
Patent: DE235311 ;
Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 10, p. 1003
反应条件
SBA-15 supported zirconium in toluene T=110°C; Pinacol rearrangement; 2 h;
参考文献
Couturier
Bulletin de la Societe Chimique de France, 1890 , vol. <3>4, p. 31
Annales de Chimie (Cachan, France), 1892 , vol. <6>26, p. 455
反应条件
(PhSO2)2 in dichloromethane-d2; toluene T=80°C; 6 h;
参考文献
Markovic, Dean; Vogel, Pierre
Organic Letters, 2004 , vol. 6, # 16 p. 2693 - 2696
