| 发明名称 |
Manufacture of polyene compounds via a Wittig reaction in a two phase solvent system |
| 摘要 |
Polyene compounds such as vitamin A acetate are prepared by reacting triarylphosphonium salts with aldehydes in a two-phase aqueous-organic solvent system.
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| 申请公布号 |
US4081470(A) |
申请公布日期 |
1978.03.28 |
| 申请号 |
US19760711765 |
申请日期 |
1976.08.04 |
| 申请人 |
HOFFMAN-LA ROCHE INC. |
发明人 |
SCHLEICH, KUNO;STOLLER, HANSJORG |
| 分类号 |
C07C59/64;C07C403/00;(IPC1-7):C11C3/02 |
主分类号 |
C07C59/64 |
| 代理机构 |
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代理人 |
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| 地址 |
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