| 发明名称 |
Synthesis of benzaldehydes |
| 摘要 |
Novel benzaldehydes of the formula: <IMAGE> Where n1 is the integer 1-8 and each OR1 group is hydroxy or a protective group which can be converted or removed to provide the dihydroxyphenyl moiety. The benzaldehydes are particularly useful as intermediates in the preparation of yellow azomethine dye developers.
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| 申请公布号 |
US4206139(A) |
申请公布日期 |
1980.06.03 |
| 申请号 |
US19780946110 |
申请日期 |
1978.09.27 |
| 申请人 |
POLAROID CORP |
发明人 |
IDELSON, ELBERT M;JANDRUE, CHARLES E |
| 分类号 |
C07C45/67;C07C45/77;C07C47/575;C07C49/92;C07C51/36;C07C51/367;C07C309/73;C07F1/00;C07F11/00;G03C8/18;(IPC1-7):C07C68/06;C07C45/00;G03C5/54 |
主分类号 |
C07C45/67 |
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代理人 |
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| 主权项 |
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