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).
经由1-
环十二烷基环十二碳烯(11b)和-双环[11.11.0] tetracos-1(13)-烯(2b),经三个步骤将
环十二烷酮(3b)转化为[11.11]间
蒽(1b )。间苯烯前体2b之间的关键也可通过相关的C 24螺
环醇(7b)的酸催化脱
水来获得。