First Application of Tunable Alkyl or Aryl Sulfinamides to the Stereoselective Synthesis of a Chiral Amine: Asymmetric Synthesis of (<i>R</i>)-Didesmethylsibutramine ((<i>R</i>)-DDMS) Using (<i>R)</i>-Triethylmethylsulfinamide ((<i>R</i>)-TESA)
作者:Zhengxu Han、Dhileepkumar Krishnamurthy、Derek Pflum、Paul Grover、Stephen A. Wald、Chris H. Senanayake
DOI:10.1021/ol026699q
日期:2002.11.1
A highly diastereoselective addition of i-BuLi to a triethylmethylsulfinamide derived aldimine was used as the key step in the first asymmetric synthesis of (R)-didesmethylsibutramine, a metabolite of sibutramine for the potential treatment of CNS disorders. [reaction: see text]
将i-BuLi高度非对映选择性地添加到三乙基甲基亚磺酰胺衍生的Aldimine中,作为(R)-didesmethylsibutramine的首个不对称合成的关键步骤。[反应:看文字]