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METHOD FOR PRODUCTION OF AROMATIC ALDEHYDES FROM LIGNIN-CONTAINING MATERIAL
METHOD FOR PRODUCTION OF AROMATIC ALDEHYDES FROM LIGNIN-CONTAINING MATERIAL
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机译:从含木质素的材料生产芳香醛的方法
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摘要
FIELD: 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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