Invention Grant
- Patent Title: Process for producing vitamin A ester
- Patent Title (中): 生产维生素A酯的方法
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Application No.: US10039056Application Date: 2002-01-03
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Publication No.: US06727381B2Publication Date: 2004-04-27
- Inventor: Runpu Shen , Shiqing Pi , Bin Xie , Hongjun Huang
- Applicant: Runpu Shen , Shiqing Pi , Bin Xie , Hongjun Huang
- Priority: CN01105024A 20010105
- Main IPC: C07C6702
- IPC: C07C6702
Abstract:
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.
Public/Granted literature
- US20020151742A1 Process for producing vitamin a ester Public/Granted day:2002-10-17
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