Synthesis and rearrangement of functionalized dispiro[2.1.3.3]Undecanes - preferred C4C5 over C3C4 ring enlargements
作者:Lutz Fitjer、Marita Majewski、Andreas Kanschik、Ernst Egert、George M Sheldrick
DOI:10.1016/s0040-4039(00)84860-1
日期:1986.1
The functionalized dispiro[2.1.3.3]undecanes and undergo cascade rearrangements to yield the bi- and tricyclic systems , , and , respectively. The rearrangements proceed via an initial enlargement of the four-membered ring.