Towards a synthesis of (±)modhephene via cascade rearrangement: Synthesis and rearrangement of dispiro[3.0.4.2]undecanes to [3.3.3]propellanes
作者:Lutz Fitjer、Marita Majewski、Andreas Kanschik
DOI:10.1016/s0040-4039(00)80271-3
日期:1988.1
The dispiro [3.0.4.2] undecanes 2 and 6 undergo cascade rearrangements yielding the [3.3.3]propellanes 3 and 7, respectively. The rearrangement of 6 proceeds regiospecifically and renders 9 a promising candidate for a direct conversion to (±)modhephene 10.