A cationic cyclisation route to prenylated indole alkaloids: synthesis of malbrancheamide B and brevianamide B, and progress towards stephacidin A
作者:Frédéric C. Frebault、Nigel S. Simpkins
DOI:10.1016/j.tet.2010.04.093
日期:2010.8
The synthesis of the prenylatedindole alkaloids, malbrancheamide B and brevianamide B have been accomplished, starting with a prenylated proline derivative created using the Seebach ‘self-reproduction of chirality’ method, and using a cationic cascade sequence as the key step to form late-stage bridged diketopiperazine intermediates.