反应条件
1: (i) nBuLi, THF, (ii) /BRN= 1209232/
3: Br2 / CH2Cl2; CCl4
4: Na / methanol / 24 h / Ambient temperature
5: (i) tBuLi, ether, THF, pentane, (ii) /BRN= 1730824/, THF
View Scheme
参考文献
Neumann,H.; Seebach,D.
Chemische Berichte, 1978 , vol. 111, p. 2785 - 2812