| 发明名称 |
PREPARATION OF PROTOCATECHUIC ALDEHYDE |
| 摘要 |
PURPOSE:To obtain the title compound with high selectivity in two steps, by the reaction of catechol and glyoxylic acid in a basic aqueous medium at 0 - 50 deg.C in the presence of a catalyst, e.g. aluminum oxide, followed by the oxidation of the mixture obtained in a basic aqueous medium. |
| 申请公布号 |
JPS53137923(A) |
申请公布日期 |
1978.12.01 |
| 申请号 |
JP19770052590 |
申请日期 |
1977.05.10 |
| 申请人 |
UBE INDUSTRIES |
发明人 |
UMEMURA YOSHIO;TAKAMITSU NAGAAKI;ENOMIYA TAKUJI;SHIRAISHI HIROSHI;NAKAMURA TAKAHITO |
| 分类号 |
C07C47/565;B01J21/00;B01J21/04;B01J21/08;C07B61/00;C07C45/00;C07C47/56;C07C51/00;C07C59/52;C07C67/00 |
主分类号 |
C07C47/565 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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