Synthesis of some 3,7-dicyano-1,5-dimethylsemibullvalenes
作者:Helmut Quast、Yvonne Görlach
DOI:10.1016/s0040-4039(00)94149-2
日期:1983.1
The synthesis of 3,7-dicyano-(2a), 4-bromo-3,7-dicyano-(2b), and 2,6-dibromo-3,7-dicyano-1,5-dimethylsemibullvalene(2e) is reported; both 2a and 2e undergo the degenerateCoperearrangement more slowly than the parent hydrocarbon.