| 发明名称 |
METHOD FOR PRODUCTION OF AROMATIC ALDEHYDES FROM LIGNIN-CONTAINING MATERIAL |
| 摘要 |
industrial organic synthesis. SUBSTANCE: aromatic aldehydes (vanillin, syringaldehyde) are prepared by oxidation of lignin- containing material in alkali medium in presence of oxygen. Novelty consists in additional employment of oxidation activator: nitro- or nitroso-derivative of lignin in amount 2.0-3.0 g per 1 g of lignin contained in raw material. EFFECT: inc4 yield of desired product. 1 tbl
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| 申请公布号 |
RU2164511(C1) |
申请公布日期 |
2001.03.27 |
| 申请号 |
RU20000108242 |
申请日期 |
2000.04.03 |
| 申请人 |
INSTITUT KHIMII I KHIMICHESKOJ TEKHNOLOGII SO RAN |
发明人 |
KOZLOV I.A.;GOGOTOV A.F.;KUZNETSOV B.N.;RYBAL'CHENKO N.A. |
| 分类号 |
C07C47/56;B27K5/00;B27K9/00;C07C47/575;C07C47/58;(IPC1-7):C07C47/56 |
主分类号 |
C07C47/56 |
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