反应条件
1: 40 percent / 1.6 M n-BuLi / hexane; tetrahydrofuran / -78 deg C to 20 deg C, 3 h, 20 deg C, 8 d 2: 1.) lithium powder, 5 molpercent 4,4'-di-tert-butylbiphenyl; 2.) H2O / 1.) THF, -15 deg C, 7 h; 2.) THF, -15 deg C to 20 deg C, 3 h View Scheme
参考文献
Tetrahedron, , vol. 50, # 19 p. 5775 - 5782
