申请人:——
公开号:US20020151742A1
公开(公告)日:2002-10-17
The invention relates to a process for producing all trans-vitamin A ester (I). According to the present invention, vitamin A ester (I) can simply be synthesized in good yields and high purity by the reaction of phosphonate compound (IV) with aldehyde (II) in an organic solvent in the presence of a base.
1
本发明涉及一种生产全反式维生素A酯(I)的方法。根据本发明,可以在有机溶剂中,在碱的存在下,将膦酸酯化合物(IV)与醛(II)反应,以高收率和高纯度简单地合成维生素A酯(I)。