申请人:PUIG SERRANO Jordi
公开号:US20130030214A1
公开(公告)日:2013-01-31
The invention provides an improved process for the preparation of a benzonaphthalene derivative including, in particular, the manufacture of high purity adapalene. The invention further includes a method for assessing the color of adapalene by means of a quantitative colorimetric measurement of the produced adapalene.
该发明提供了一种改进的苯并萘衍生物制备过程,特别是高纯度阿达帕林的制造。该发明还包括一种通过定量比色测量所生产的阿达帕林的颜色来评估阿达帕林颜色的方法。