| 发明名称 |
FREMGANGSMAATE TIL FREMSTILLING AV AROMATISKE HYDROKSYALDEHYDER |
| 摘要 |
1377243 Aromatic hydroxy aldehydes HAARMANN & REIMER GmbH 29 March 1972 [31 March 1971] 14755/72 Heading C2C An aromatic hydroxy aldehyde is prepared by simultaneously oxidizing and decarboxylating a hydroxy aryl glycolic acid by reaction with an oxidizing agent in an aqueous acid medium at a pH of less than 5. The oxidizing agent is preferably a reducible metal salt. |
| 申请公布号 |
NO137891(C) |
申请公布日期 |
1978.05.16 |
| 申请号 |
NO19720001089 |
申请日期 |
1972.03.29 |
| 申请人 |
HAARMANN & REIMER GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG, |
发明人 |
BAUER, KURT,;STEUER, WERNER, |
| 分类号 |
C07C47/56;A23L27/20;C07C45/29;C07C45/30;C07C45/31;C07C47/565;C07C47/575;C07C47/58;C07C59/52;C07C59/64;C11B9/00 |
主分类号 |
C07C47/56 |
| 代理机构 |
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