benzyl-[2-(tert-butyldimethylsilanyloxymethyl)-6-(1-ethoxyethoxy)-3,6-dihydro-2H-pyran-3-yl]-amine 在
Jones reagent 作用下,
以
丙酮 为溶剂,
以26%的产率得到5-benzylamino-6-(tert-butyldimethylsilanyloxymethyl)-5,6-dihydropyran-2-one
参考文献:
名称:
Synthesis of chiral unsaturated aminolactones using Pd-catalyzed allylic amination
摘要:
Stereoselective synthesis of (5R,6R)- and (5S,6S)-5-benzylamino-6-(tert-butyldimethylsilanyloxymethyl)-5,6-dihydropyran-2-ones starting from D-glucal and furanaldehyde, respectively, is described. The synthesis relies on a Sharpless asymmetric dihydroxylation, an Achmatowicz reaction, and a stereoselective Pd-catalyzed allylic amination as the key steps. (C) 2010 Elsevier Ltd. All rights reserved.