ASYMMETRIC SYNTHESIS;
2-METHYL-5-SUBSTITUTED PIPERIDINES;
DIASTEREOSELECTIVE ALKYLATION OF LACTAMS;
PHENYLGLYCINOL DERIVATIVES;
D O I:
10.1016/0040-4039(94)02435-E
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A series of 2-methyl-5-substituted piperidines in enantiomerically pure form has been synthesized from lactam 3a. The stereospecific alkylation involved a rigid amide enolate.