Tuning lipase-catalysed kinetic resolution of 2-substituted thiophenes and furans: A scalable chemoenzymatic route to masked γ-bis-oxo-alcohols
作者:Dartagnan S.P. Ferreira、Jeiely G. Ferreira、Everaldo F.S. Filho、Jefferson L. Princival
DOI:10.1016/j.molcatb.2016.01.014
日期:2016.4
most of the chemically synthesized compounds are produced as racemates their kinetic resolution has been of great interest. For this purpose a number of chemo-enzymatic approaches were proposed. One of such approaches, the use of isolated lipases, is a well-established alternative. Herein we report the kinetic resolutions of 2-Substituted five-membered heteroaromatic rings. By optimizing the reaction
旨在合成光学活性化合物的单一对映体的绿色环保方法的需求在全世界范围内都有显着增长。由于大多数化学合成的化合物是作为外消旋体生产的,因此其动力学拆分一直备受关注。为此目的,提出了许多化学酶学方法。这种方法之一是使用分离的脂肪酶,是一种公认的替代方法。在这里,我们报告2取代的五元杂芳族环的动力学分辨率。通过优化反应条件,可以生产高对映体比率的(2-羟基)-2-取代的呋喃和噻吩(E > 200)。因此,解决了具有轻微结构差异的化合物的外消旋混合物。当前的化学酶策略已应用于可扩展的方法,导致形成对映纯(S)-2i,这是用于合成生物活性天然化合物的众所周知的构建基块。