| 发明名称 |
NEW METHOD FOR THE PREPARATION OF 3,4-DIHYDROXY-5-NITROBENZALDEHYDE |
| 摘要 |
The invention provides a method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde by reacting 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde with a reagent comprising zinc chloride, water and hydrogen chloride.
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| 申请公布号 |
CA2200227(A1) |
申请公布日期 |
1996.03.28 |
| 申请号 |
CA19952200227 |
申请日期 |
1995.09.20 |
| 申请人 |
ORION-YHTYM OY |
发明人 |
BACKSTROEM, REIJO JOHANNES |
| 分类号 |
C07C201/12;C07C1/12;C07C201/16;C07C205/44;(IPC1-7):C07C205/44 |
主分类号 |
C07C201/12 |
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