| 发明名称 |
Process for producing 2,2,4-trimethyl-6-hydroxy-7-substituted chromans |
| 摘要 |
A process for producing 2,2,4-trimethyl-6-hydroxy-7-substituted chromans which comprises reacting 2-substituted hydroquinones with 2-methyl-2,4-pentanediol in the presence of a Friedel-Crafts catalyst.
|
| 申请公布号 |
US4054580(A) |
申请公布日期 |
1977.10.18 |
| 申请号 |
US19750639510 |
申请日期 |
1975.12.10 |
| 申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
OHI, REIICHI |
| 分类号 |
C07D311/72;(IPC1-7):C07D311/72 |
主分类号 |
C07D311/72 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
