2,3-二甲基-1,3-丁二烯合成路线 (共 777 条)
反应条件
bromine
und direkte Verseifung des erhaeltlichen Gemisches der Dibromide mit NaHCO3-Loesung bei 80grad;
参考文献
Prevost
Bulletin de la Societe Chimique de France, 1944 , vol. <5>11, p. 223
反应条件
tetra-N-butylammonium borohydride; zinc(II) iodide; CoBr2(1,2-bis(diphenylphosphino)ethane) in dichloromethane
T=20°C; Cycloaddition; Diels-Alder reaction; 12 h;
参考文献
Hilt; Du Mesnil
Tetrahedron Letters, 2000 , vol. 41, # 35 p. 6757 - 6761
反应条件
1: NaNHNH2, N2H4 / diethyl ether
2: H2 / Raney-Ni / methanol
View Scheme
参考文献
Kauffmann,T.; Mueller,H.
Chemische Berichte, 1963 , vol. 96, p. 2206 - 2219
反应条件
1: (i) PdCl2, 1-phenyl-1-phospha-3-methyl-3-cyclopentene, NaOPh, (ii) /BRN= 506727/
2: aq. NaOH
View Scheme
参考文献
Watanabe,S. et al.
Canadian Journal of Chemistry, 1973 , vol. 51, p. 848 - 849
反应条件
nitrogen trioxide in gaseous matrix
T=24.9°C; P=0.5 - 0.7 Torr; Rate constantMechanism;
参考文献
Lancar, I. T.; Daele, V.; Le Bras, G.; Poulet, G.
Journal de Chimie Physique et de Physico-Chimie Biologique, 1991 , vol. 88, # 9 p. 1777 - 1792
反应条件
nitrogen(IV) oxide in solid matrix
IrradiationAr matrix; MechanismRate constant;
参考文献
Tanaka, Nobuaki; Kajii, Yoshizumi; Shibuya, Kazuhiko; Nakata, Munetaka
Journal of Physical Chemistry, 1993 , vol. 97, # 27 p. 7048 - 7053
参考文献
Soc. An. Naef and Cie.
Patent: FR672025 , 1929 ;
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
in cyclohexane
Irradiation (UV/VIS); irradiation with a low-pressure mercury lamp for 5 h at room temp.; preparative TLC (silica gel, benzene/hexane); spectral data are identical with those of authentic samples;
参考文献
Tsumuraya, Takeshi; Sato, Sadao; Ando, Wataru
Organometallics, 1988 , vol. 7, p. 2015 - 2019
反应条件
in toluene
heating a mixt. of SiGe2Mes6 and 2,3-dimethylbutadiene in toluene to 105°C for 8 h under an atmosphere of argon; evapn. of the solvents, preparative TLC;
参考文献
Baines, Kim M.; Cooke, Jeffrey A.; Dixon, Craig E.; Liu, Hui Wen; Netherton, Matthew R.
Organometallics, 1994 , vol. 13, p. 631 - 634