Synthesis of unnatural 2R,5S-5-hydroxypipecolic acid via homochiral acyliminium ion - pipecolic acids - part III.
摘要:
Stereoselective functionalization of S-5-hydroxy-2-piperidone 1 via acyliminium ion was demonstrated to maintain the unnatural enantiomer of trans-5-hydroxypipecolic acid 6.