| 发明名称 |
Method for synthesizing rhodoxanthin |
| 摘要 |
A method by which rhodoxanthin can be synthesized from 3-ethylenedioxy- beta -ionone as well as new and novel intermediates produced in the synthesis. Rhodoxanthin is a well-known coloring agent for foodstuffs, including beverages, pharmaceutical and cosmetic preparations.
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| 申请公布号 |
US3941841(A) |
申请公布日期 |
1976.03.02 |
| 申请号 |
US19740471089 |
申请日期 |
1974.05.17 |
| 申请人 |
HOFFMANN-LA ROCHE INC. |
发明人 |
SURMATIS, JOSEPH DONALD;WALSER, ARMIN |
| 分类号 |
C07C403/00;C07D317/72;C07F9/54;(IPC1-7):C07C49/48 |
主分类号 |
C07C403/00 |
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