| 发明名称 |
Process for producing vitamin a ester |
| 摘要 |
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.
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| 申请公布号 |
US2002151742(A1) |
申请公布日期 |
2002.10.17 |
| 申请号 |
US20020039056 |
申请日期 |
2002.01.03 |
| 申请人 |
SHEN RUNPU;PI SHIQING;XIE BIN;HUANG HONGJUN |
发明人 |
SHEN RUNPU;PI SHIQING;XIE BIN;HUANG HONGJUN |
| 分类号 |
C07C67/02;C07C69/03;C07C403/12;C07F9/40;(IPC1-7):C07C69/03;C07F9/02 |
主分类号 |
C07C67/02 |
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