申请人:SHANGHAI JIAO TONG UNIVERSITY
公开号:US10370323B2
公开(公告)日:2019-08-06
A method for preparing chiral γ-secondary amino alcohol includes: adding into a solvent an acid addition salt of β-secondary amino ketone represented by general formula (1), an alkali, a metal salt additive and a diphosphine-rhodium complex, so as to carry out a reaction in a hydrogen atmosphere and obtain a chiral γ-secondary amino alcohol compound represented by general formula (2). In general formula (2), Ar represents an aryl group with or without substituent group(s), R represents an alkyl group or an aralkyl group, and HY represents an acid. The synthesis scheme has a simple process, the metal salt additive remarkably improves the effect of a rhodium-catalyzed asymmetric hydrogenation technology, and accordingly, the reaction yield and the optical purity of a product are improved, the production process is simplified, production costs are reduced, and the synthesis scheme is highly suitable for mass industrial production.
一种制备手性γ-仲氨基醇的方法包括:在溶剂中加入通式(1)代表的β-仲氨基酮的酸加成盐、碱、金属盐添加剂和二磷酸铑络合物,从而在氢气环境中进行反应,得到通式(2)代表的手性γ-仲氨基醇化合物。在通式(2)中,Ar 代表带或不带取代基的芳基,R 代表烷基或芳烷基,HY 代表酸。该合成方案工艺简单,金属盐添加剂显著提高了铑催化不对称氢化技术的效果,相应地提高了反应收率和产物的光学纯度,简化了生产工艺,降低了生产成本,非常适合大规模工业化生产。