| 发明名称 |
Certain pyrano-furo-azuleno-pyridines |
| 摘要 |
Novel 1-propyl-3-methyl-azuleno[2,3-c]pyridine diones useful as coloring agents for foodstuffs, vitamins and pharmaceuticals and their method of preparation from Streptomyces Sp. X-14077 by fermentation.
|
| 申请公布号 |
US4057553(A) |
申请公布日期 |
1977.11.08 |
| 申请号 |
US19760717857 |
申请日期 |
1976.08.26 |
| 申请人 |
HOFFMANN-LA ROCHE INC. |
发明人 |
BERGER, JULIUS;REICHELT, KAREN EMALYN;SCHUEP, WILLY |
| 分类号 |
A23L1/275;C07D491/14;C07D491/22;C09B57/00;C12P17/18;(IPC1-7):C07D521/00 |
主分类号 |
A23L1/275 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
