| 发明名称 |
PREPARATION OF 33NNMONOSUBSTITUTEDDAMINOO44SUBSTITUTEDDPYRAZOLONE |
| 摘要 |
PURPOSE:The high purity title compound, useful as two equivalent coupler (DIR coupler), is economically prepared from readily available 3-N-monosubstituted-amino-5-pyrazolone as a starting material. |
| 申请公布号 |
JPS5291862(A) |
申请公布日期 |
1977.08.02 |
| 申请号 |
JP19760008988 |
申请日期 |
1976.01.30 |
| 申请人 |
FUJI PHOTO FILM CO LTD |
发明人 |
NAKAMURA KOUTAROU;ICHISHIMA YASUSHI;KOYAKATA NOBUO;KOSUGE YOSHIO |
| 分类号 |
G03C7/38;C07D231/20;C07D231/38;C07D231/52;C07D403/04;C07D487/04;G03C7/384 |
主分类号 |
G03C7/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
