申请人:ONO PHARMACEUTICALS CO., LTD.
公开号:US20190315705A1
公开(公告)日:2019-10-17
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.
一种生产化合物的方法,例如2-丙基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[b]氧杂[3-yl]}丁酸酯,以及适用于该方法的新型中间体,通过改变起始材料和改进交换反应、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。