A short route to [11.11]betweenanene: Contrasting behavior in different ring sizes
作者:Alex Nickon、Pamela St.John Zurer
DOI:10.1016/0040-4039(80)80225-5
日期:1980.1
Cyclododecanone (3b) was converted to [11.11]betweenanene (1b) in three steps via 1-cyclododecylcyclododecene (11b) and -bicyclo[11.11.0]tetracos-1(13)-ene (2b). The key betweenanene precursor 2b is also accessible by acid-catalyzed dehydration of the related C24 spirocyclic alcohol (7b).