T=20°C; 0.5 h; Product distribution / selectivity;
参考文献
Ignat'ev, Nikolai V.; Barthen, Peter; Kucheryna, Andryi; Willner, Helge; Sartori, Peter
Molecules, 2012 , vol. 17, # 5 p. 5319 - 5338
→
反应条件
in tetrahydrofuran soln. (18-crown-6)(THF)2potassium (cis-ethene-1,2-di(tert-butylamido))gallate(I) in THF was cooled to -78°C and treated with methyl triflate, mixt. waswarmed to 20°C and stirred for 20 h; solvent was removed under vac., residue was extd. with hexane, slvent was evapd.;
参考文献
Schmidt, Eva Susanne; Schier, Annette; Schmidbaur, Hubert
Journal of the Chemical Society. Dalton Transactions, 2001 , # 5 p. 505 - 507
1: 2-bromo-5-(5-bromothiophen-2-yl)thiophene With n-butyllithium in tetrahydrofuran; hexane T=0°C; 2: methyl trifluoromethanesulfonate in tetrahydrofuran; hexane T=0°C;
