The total synthesis of huperzine Q Was accomplished. The synthesis features the construction of the cis-hydrindane skeleton Diels-Alder reaction and a ring contraction reaction of an epoxyketone.
Rh(I)-Catalyzed [5 + 1] Cycloaddition of Vinylcyclopropanes and CO for the Synthesis of α,β- and β,γ-Cyclohexenones
作者:Guo-Jie Jiang、Xu-Fei Fu、Qian Li、Zhi-Xiang Yu
DOI:10.1021/ol2031526
日期:2012.2.3
A cationic Rh(I)-catalyzed [5 + 1] cycloaddition of vinylcyclopropanes and CO has been developed, affording either beta,gamma-cyclohexenones as major products or alpha,beta-cyclohexenones exclusively, under different reaction conditions.