Organocatalytic Michael Addition of Aldehydes to Protected 2-Amino-1-Nitroethenes: The Practical Syntheses of Oseltamivir (Tamiflu) and Substituted 3-Aminopyrrolidines
作者:Shaolin Zhu、Shouyun Yu、You Wang、Dawei Ma
DOI:10.1002/anie.201001644
日期:2010.6.21
Hey Mickey, you're so fine! Organocatalytic Michael additions of aldehydes with protected 2‐amino‐1‐nitroethene could go through three different transition‐states to afford adducts with usual and unusual stereochemistry, thereby providing a facile entry to Tamiflu (see scheme) and substituted 3‐aminopyrrolidines. TMS=trimethylsilyl, Ac=acetyl.
嗨,米奇,你很好!带有保护的2-氨基-1-硝基乙炔的醛的有机催化迈克尔加成可以经历三种不同的过渡态,以提供具有通常和不同寻常的立体化学的加合物,从而提供了轻松进入达菲(参见方案)和取代的3-氨基吡咯烷酮的途径。TMS =三甲基甲硅烷基,Ac =乙酰基。