作者:Gledson Vieira Lima、Marcos Reinaldo da Silva、Thiago de Sousa Fonseca、Leandro Bezerra de Lima、Maria da Conceição Ferreira de Oliveira、Telma Leda Gomes de Lemos、Davila Zampieri、Jose Cleiton Sousa dos Santos、Nathalia Saraiva Rios、Luciana Rocha Barros Gonçalves、Francesco Molinari、Marcos Carlos de Mattos
DOI:10.1016/j.apcata.2017.08.003
日期:2017.9
A straightforward chemoenzymatic synthesis of (S)-Pindolol has been developed. The key step involved the enzymatic kinetic resolution of rac-2-acetoxy-1-(1H-indol-4-yloxy)-3-chloropropane with lipase from Pseudomonas fluorescens via hydrolytic process to obtain enantiomerically enriched halohydrin (2S)-1-(1H-indol-4-yloxy)-3-chloro-2-propanol (96% ee) and (2R)-2-acetoxy-1-(1H-indol-4-yloxy)-3-chloropropane
已经开发了一种简单的化学酶法合成(S)-吲哚洛尔的方法。关键步骤涉及通过荧光水解过程,从荧光假单胞菌中用脂肪酶对rac -2-乙酰氧基-1-(1 H-吲哚-4-基氧基)-3-氯丙烷进行酶促动力学拆分,得到对映体富集的卤代醇( 2 S)-1 -(1 H-吲哚-4-基氧基)-3-氯-2-丙醇(96%ee)和(2 R)-2-乙酰氧基-1-(1 H-吲哚-4-基氧基)-3-氯丙烷(97%ee)。后者经历了由假丝酵母(Candida rugosa)催化的水解反应,从而导致(2 R)-1-(1 H-吲哚-4-基氧基)-3-氯-2-丙醇(97%ee),然后与异丙胺反应,定量生成(S)-吲哚洛尔(97%ee)屈服。