Zizaane sesquiterpenes. Synthesis of the coates-sowerby tricyclic ketone
作者:Andrew J. Barker、Gerald Pattenden
DOI:10.1016/s0040-4039(01)90530-1
日期:1981.1
The cycloadduct (5) , which is conveniently prepared by irradiation of (4), is converted a 4-step sequence, into the tricyclic ketone (2) and its epimer (2); the sequence formally completes a new total synthesis of (±)-zizaene (1) and its Me-epimer.
方便地通过辐照(4)制备的环加合物(5)经过4步转化为三环酮(2 )及其差向异构体(2 )。该序列正式完成了新的(±)-zizaene(1)及其Me-表异构体的全合成。