Efficient synthesis of (R)-3-amino-1,1,1-trifluoropropan-2-ol via a Dakin–West reaction followed by enantioselective reduction
作者:Lulin Wei、Teresa Makowski、Carlos Martinez、Arun Ghosh
DOI:10.1016/j.tetasy.2008.12.001
日期:2008.12
chromatography-free asymmetric synthesis of (R)-3-amino-1,1,1-trifluoropropan-2-ol was developed for large scale production of a cholesterol ester transfer protein (CETP) inhibitor. The synthesis features a new efficient route to a β-amino trifluoromethylketone involving a modified Dakin–West reaction followed by an asymmetric hydrogenation or an enzymatic reduction of the resulting ketone to the alcohol.
开发了一种高效,无色谱的不对称合成(R)-3-氨基-1,1,1-三氟丙烷-2-醇的方法,用于大规模生产胆固醇酯转移蛋白(CETP)抑制剂。合成的特征是一种新的有效途径来生产β-氨基三氟甲基酮,涉及经过修饰的Dakin-West反应,然后进行不对称氢化或将所得酮酶解为醇。