Reaction of 1,6-dihalopentacyclo[5.2.0.02,6.03,9.05,8]Nonanes with tert-butyllithium: Is 1,6-dehydrohomocubane involved as a reactive intermediate?
作者:Jörg Schäfer、Günter Szeimies
DOI:10.1016/0040-4039(90)80201-v
日期:1990.1
Reaction of the 1,6-dihalohomocubanes 1a-g with 5.0 equiv. of tert-butyllithium afforded after aqueous workup 1-tert-butylhomocubane 5a as the major product in all cases. These results suggest that 1,6-dehydrohomocubane 6 is formed as a short-lived intermediate.