作者:James S. Panek、Craig E. Masse
DOI:10.1002/(sici)1521-3773(19990419)38:8<1093::aid-anie1093>3.0.co;2-u
日期:1999.4.19
(S)-2 to afford homoallylic alcohol 3 is the key diastereoselective step (anti:syn >30:1) in an efficient asymmetric synthesis of (+)-lactacystin. This compound is a metabolite isolated from Streptomyces sp. OM-6519 that exhibits significant neurotrophic activity. An additional important step in the synthesis is a catalytic asymmetric aminohydroxylation used as the key step in the synthesis of the (2R,3S)-hydroxyleucine
醛1和硅烷(S)-2之间的双立体可区分的crotyation,以得到均丙醇3是有效的非对称合成(+)-lactacystin的关键非对映选择性步骤(anti:syn> 30:1)。该化合物是从链霉菌属分离的一种代谢产物。OM-6519具有明显的神经营养活性。合成中的另一个重要步骤是催化不对称氨基羟基化反应,它是合成(2R,3S)-羟基亮氨酸合成子的关键步骤。