An approach towards the total synthesis of (+)-epiquinamide and (+)-α-conhydrine from Garner aldehyde
作者:Ajay Kumar Srivastava、Sanjit Kumar Das、Gautam Panda
DOI:10.1016/j.tet.2009.04.074
日期:2009.7
A short and stereoselectiveroute for the synthesis of 1-hydroxyquinolizidine, an advanced synthetic intermediate for the total synthesis of (+)-epiquinamide is presented. The key synthetic steps involve diastereoselective nucleophilic addition on l-serine derived Garner aldehyde and acid mediated (PTSA) ring closing metathesis. The methodology is also elaborated successfully for the total synthesis