Enantioselective synthesis of protected α-hydroxy aldehydes and ketones via hydroxylation of metalated chiral hydrazones
作者:Dieter Enders、Vidya Bhushan
DOI:10.1016/s0040-4039(00)87901-0
日期:1988.1
α-Benzyloxy aldehydes and α-acetoxy ketones 4 of high enantiomeric purity are prepared in good overall yields via oxaziridine mediated hydroxylation of chiral hydrazone azaenolates. As auxiliaries novel proline derived hydrazine reagents 5 are used.
高的对映体纯度的α-苄氧基醛和α-乙酰氧基酮4通过恶唑烷介导的手性氮杂酸酯的羟基化反应以良好的总收率制备。作为助剂,使用了新的脯氨酸衍生的肼试剂5。