Transannular π-cyclization in electrophilic additions to 1,5-dimethylcycloocta-1,5-diene
作者:G. Haufe、A. Wolf、K. Schulze
DOI:10.1016/s0040-4020(01)82053-6
日期:1986.1
Electrophilic additions of Broensted acids to 1,5-dimethylcycloocta-1,5-diene yield syn-8-substituted 1,5-dimethylbicyclo [3.2.1] octanes via parallel π-cyclization and subsequent Wagner-Meerwein type rearrangements. The corresponding anti-isomers are synthesized by nucleophilic substitution in the 8-position. The classical or nonclassical structure of the cationic intermediates is discussed.
通过平行π环化和随后的Wagner-Meerwein型重排,将Broensted酸亲电添加到1,5-二甲基环辛-1,5-二烯中,生成syn-8-取代的1,5-二甲基双环[3.2.1]辛烷。通过在8位上的亲核取代合成相应的抗异构体。讨论了阳离子中间体的经典或非经典结构。