Facile synthesis of (S)-β-hydroxy-β-trichloromethylated aromatic ketones by the regioselective ring cleavage of chiral β-trichloromethyl-β-propiolactone under the Friedel-Crafts conditions
作者:Tamotsu Fujisawa、Takatoshi Ito、Kenji Fujimoto、Makoto Shimizu、H. Wynberg、E.G.J. Staring
DOI:10.1016/s0040-4039(97)00120-2
日期:1997.3
The reaction of enantiomerically pure β-trichloromethyl-β-propiolactone (1) as a chiral building block with an aromatic compound in the presence of Lewis acid provided an acylated product with a chiral trichloromethyl carbinol moiety. The acylated product was used as an effective chiral synthon for natural product synthesis such as enalapril of ACE inhibitor.
在路易斯酸存在下,对映体纯的β-三氯甲基-β-丙内酯(1)作为手性结构单元与芳族化合物的反应提供了具有手性三氯甲基甲醇部分的酰化产物。酰化产物用作天然产物合成的有效手性合成子,例如ACE抑制剂的依那普利。