反应条件
1: With 2,2,6,6-tetramethyl-piperidine; n-butyllithium; potassium tert-butylate in tetrahydrofuran T=-78°C; 0.25 h; Inert atmosphere; 2: With ethylene dibromide in tetrahydrofuran T=-78 - 20°C; Inert atmosphere; regioselective reaction;
参考文献
Blangetti, Marco; Fleming, Patricia; O'Shea, Donal F.
Journal of Organic Chemistry, 2012 , vol. 77, # 6 p. 2870 - 2877