Enantioselective synthesis of the trans-2,6-dialkylpiperidine alkaloids (2R,6R)-lupetidine and (2R,6R)-solenopsin A
摘要:
The enantioselective synthesis of the trans-2,6-dialkylpiperidine alkaloids (2R,6R)-lupetidine and (2R,6R)solenopsin A from 6-methyl-2-piperidone 1 is described. The key step of this synthesis consists of the addition of a dialkylcopper derivative to the thioimidate salt 3 followed by sodium borohydride reduction of the resulting iminium salt. (C) 1998 Elsevier Science Ltd. All rights reserved.