Polymer-supported chiral sulfonamide catalyzed one-pot reduction of β-keto nitriles: a practical synthesis of (R)-fluoxetine and (R)-duloxetine
作者:Guangyin Wang、Xingshun Liu、Gang Zhao
DOI:10.1016/j.tetasy.2005.04.002
日期:2005.5
Enantioselective reduction of β-keto nitriles to optically active 1,3-amino alcohols has been carried out in one step using an excess of borane–dimethyl sulfide complex as a reductant and a polymer-supported chiral sulfonamide as a catalyst with moderate to high enantioselectivity. The facile and enantioselective method to prepare optically active 1,3-amino alcohols to be converted into 3-aryloxy-
使用过量的硼烷-二甲硫醚络合物作为还原剂和聚合物负载的手性磺酰胺作为中等至高对映选择性的催化剂,已一步一步将β-酮腈对映体还原为光学活性1,3-氨基醇。还报道了制备旋光的1,3-氨基醇以转化为3-芳氧基-3-芳基丙胺型抗抑郁药(R)-氟西汀和(R)-度洛西汀的简便且对映选择性的方法。