Enantioselective α-alkylation of piperidine via chiral perhydropyrido [2,1-b] [1,3,4]-oxadiazinone: An easy route for the synthesis of both enantiomers of coniine
作者:Ganesh Pandey、Parthasarathi Das
DOI:10.1016/s0040-4039(97)10438-5
日期:1997.12
Enantioselective direct alkylation of piperidine involving chiral perhydropyrido [2,1-b] [1,3,4]-oxadiazinone using either form of mandelic acid as chiral auxiliary is reported. The application of the strategy is demonstrated by the synthesis of (R)- as well as (S)- coniine.
据报道,使用任何一种扁桃酸作为手性助剂,涉及手性过氢吡啶并[2,1-b] [1,3,4]-恶二嗪酮的哌啶的对映选择性直接烷基化反应。(R)-以及(S)-甜氨酸的合成证明了该策略的应用。