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2 164 511

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Application

2000108242/04, 2000-04-03

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Start date

2000-04-03

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Actual filing date

2000-04-03

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Published

2001-03-27

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Inventor

Kozlov I.A.Gogotov A.F.Kuznetsov B.N.Rybal'Chenko N.A.

(73)

Holder

Institut Khimii I Khimicheskoj Tekhnologii So Ran

METHOD FOR PRODUCTION OF AROMATIC ALDEHYDES FROM LIGNIN-CONTAINING MATERIAL Russian patent published in 2001 - IPC

Abstract RU 2164511 C1

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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RU 2 164 511 C1

Authors

Kozlov I.A.

Gogotov A.F.

Kuznetsov B.N.

Rybal'Chenko N.A.

Dates

2001-03-27—Published

2000-04-03—Filed

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