作者:Cornelis P. Vlaar、Gerhard W. Klumpp
DOI:10.1016/0040-4039(91)80659-t
日期:1991.6
7,7-Dilithionorbornane 4a is formed from 7,7-dibromonorbornane 4b by reduction with 4,5 equiv of lithium p,p′-di-tert-butylbiphenyl at −100°C,at which temperature it adds to ethylene. On warming it rearranges to 1-1ithio-5-(2-lithioethyl)cyclopentene 5.
7,7- Dilithionorbornane 4A是从7,7- dibromonorbornane形成图4b通过还原4,5-当量锂的P,P ' -二-叔-butylbiphenyl在-100℃,在此温度将其添加到乙烯。在加热时,它重排成1-1ithio-5-(2-lithioethyl)cyclopentene 5。