螺[2.4]庚-4,6-二烯合成路线 (共 49 条)
反应条件
potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride in ethanol 4 h; Heating;
参考文献
Molchanov, A. P.; Kostikov, R. R.
Journal of Organic Chemistry USSR (English Translation), 1992 , vol. 28, # 6.1 p. 935 - 937
Zhurnal Organicheskoi Khimii, 1992 , vol. 28, # 6 p. 1197 - 1199
反应条件
potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride in dichloromethane T=20°C; 3 h;
参考文献
Molchanov, A. P.; Kostikov, R. R.
Journal of Organic Chemistry USSR (English Translation), 1992 , vol. 28, # 6.1 p. 935 - 937
Zhurnal Organicheskoi Khimii, 1992 , vol. 28, # 6 p. 1197 - 1199
反应条件
potassium diazodicarboxylate; acetic acid in methanol T=5°C;
参考文献
Nishida, Shinya; Asanuma, Naoki; Murakami, Masashi; Tsuji, Takashi; Imai, Toshiro
Journal of Organic Chemistry, 1992 , vol. 57, # 17 p. 4658 - 4663
反应条件
ethanol; nickel Hydrogenation;
参考文献
Alder,K. et al.
Chemische Berichte, 1960 , vol. 93, p. 1888 - 1895
参考文献
Chiurdoglu; Tursch
Bulletin des Societes Chimiques Belges, 1957 , vol. 66, p. 600,602, 610
参考文献
Lewina et al.
Zhurnal Obshchei Khimii, 1955 , vol. 25, p. 1097,110; engl. Ausg. S. 1055
反应条件
in benzene T=100°C; 5 h;
参考文献
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 37, p. 1932 - 1935
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 9 p. 2152 - 2155
反应条件
n-butyllithium in tetrahydrofuran triphenyl(tributylstannyl)german reacted with BuLi in THF at -50°C to form triphenylgermyl-Li; the spiro-compd. was added at 0°C, warmed (room temp)., stirred for 3 h, and hydrolyzed (H2O); reactions under N2 in dry, N2-satd. solvent;; evapn., chromy. of the residue on SiO2, eluent CCl4/benzine (2:1), sepn. of tetrabutylstannan as the first fraction; product could not be obtained in pure form because of partial decompn.;;
参考文献
Kauffmann, Thomas; Bisling, Monika; Koenig, Rolf; Rensing, Alfons; Steinseifer, Fritz
Chemische Berichte, 1985 , vol. 118, # 11 p. 4517 - 4530
反应条件
n-butyllithium in tetrahydrofuran triphenyl(tributylstannyl)german reacted with BuLi in THF at -50°C to form triphenylgermyl-Li; the spiro-compd. was added at 0°C, warmed (room temp)., stirred for 1 h, and FeCl2-suspn. in THF added; refluxed for 2 h; hydrolyzed(H2O);; filtration through Na2SO4 and rinsing with CCl4; after evapn., chromy. of the residue on SiO2, eluent CCl4, sepn. of tetrabutylstannan as the first fraction; elem. anal.;;
参考文献
Kauffmann, Thomas; Bisling, Monika; Koenig, Rolf; Rensing, Alfons; Steinseifer, Fritz
Chemische Berichte, 1985 , vol. 118, # 11 p. 4517 - 4530
反应条件
potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride in dichloromethane T=20°C; 3 h;
参考文献
Molchanov, A. P.; Kostikov, R. R.
Journal of Organic Chemistry USSR (English Translation), 1992 , vol. 28, # 6.1 p. 935 - 937
Zhurnal Organicheskoi Khimii, 1992 , vol. 28, # 6 p. 1197 - 1199