Intramolecular Mannich Reaction in the Asymmetric Synthesis of Polysubstituted Piperidines: Concise Synthesis of the Dendrobate Alkaloid (+)-241D and Its C-4 Epimer
作者:Franklin A. Davis、Bin Chao、Ashwin Rao
DOI:10.1021/ol0164839
日期:2001.10.1
text] The intramolecular Mannich reaction of delta-amino beta-keto esters with aldehydes and ketones is a new methodology for the synthesis of polysubstituted piperidines and is illustrated by the concise asymmetric synthesis of the dendrobate alkaloid (+)-241D and its C-4 epimer.
[反应:见正文]δ-氨基β-酮酸酯与醛和酮的分子内曼尼希反应是合成多取代哌啶的一种新方法,并通过简明的不对称合成枝状生物碱(+)-241D和它的C-4差向异构体