申请人:ONO PHARMACEUTICAL CO., LTD.
公开号:US10899729B2
公开(公告)日:2021-01-26
A method for producing a compound, such as 2-propanyl 4-(3S,5aR,6R,7R,8aS)-6-[(1E,3R)-4-(2,5-difluorophenoxy)-3-hydroxy-1-buten-1-yl]-7-hydroxyoctahydro-2H-cyclopenta[b]oxepin-3-yl}butanoate, and a novel intermediate suitable for the method, whereby the compound can be stably supplied with a high total reaction yield, by changing the starting material and improving the metathesis reaction, asymmetric reduction reaction and the like.
一种生产化合物,如 4-(3S,5aR,6R,7R,8aS)-6-[(1E,3R)-4-(2,5-二氟苯氧基)-3-羟基-1-丁烯-1-基]-7-羟基八氢-2H-环戊并[b]氧杂卓-3-基}丁酸 2-丙酯的方法,以及一种适用于该方法的新型中间体、其中,通过改变起始原料和改进偏合成反应、不对称还原反应等,可以稳定地提供高总反应产率的化合物。