A novel and simple asymmetric synthesis of CMI-977 (LDP-977): a potent anti-asthmatic drug lead
作者:Mukund K Gurjar、A.M.S Murugaiah、P Radhakrishna、C.V Ramana、Mukund S Chorghade
DOI:10.1016/s0957-4166(03)00157-5
日期:2003.5
A practical gram scale asymmetric synthesis of CMI-977 is described. A tandem double elimination of an α-chlorooxirane and concomitant intramolecular nucleophilic substitution was used as the key step. Jacobsen hydrolytic kinetic resolution and Sharpless asymmetric epoxidation protocols were applied for the execution of the synthesis of the key chiral building block.
描述了实用的克级不对称合成CMI-977。串联消除α-氯代环氧乙烷并伴随分子内亲核取代被用作关键步骤。Jacobsen水解动力学拆分和Sharpless不对称环氧化方案被用于关键手性结构单元的合成。