Stereocontrol in a Combined Allylic Azide Rearrangement and Intramolecular Schmidt Reaction
作者:Ruzhang Liu、Osvaldo Gutierrez、Dean J. Tantillo、Jeffrey Aubé
DOI:10.1021/ja300369c
日期:2012.4.18
Pre-equilibration of an interconverting set of isomeric allylicazides is coupled with an intramolecular Schmidt reaction to afford substituted lactams stereoselectively. The effect of substitution and a preliminary mechanistic study are reported. The synthetic potential of this method is demonstrated in the context of an enantioselective synthesis of an advanced intermediate leading toward pinnaic
Synthetic Study of Presilphiperfolan-8-ol: Construction of the Tricyclo[5.3.1.0<sup>4,11</sup>]undecane Framework Utilizing Intramolecular Aldol Condensation and McMurry Coupling
作者:Toyoharu Kobayashi、Hidenori Shiroi、Hideki Abe、Hisanaka Ito
DOI:10.1246/cl.130394
日期:2013.9.5
The tricyclo[5.3.1.04,11]undecane framework of presilphiperfolan-8-ol, tricyclic sesquiterpene alcohol was constructed by intramolecular aldol condensation and the McMurry coupling from two types of diketone compounds, which were obtained from (+)-pulegone through a five-step process. This synthetic route does not require the use of any protective groups.