FIELD: chemistry.
SUBSTANCE: invention relates to the new method of 7,8-phtaloylacrodone derivatives production, which are used in dye-making and dye-using industries for dying various types of fibres. The method of production of 7,8-phtaloylacrodone derivatives of general formula , wherein X - hydrogen, halogen or lower alkyl through boiling of 2-aroylantrahynone derivative in organic solvent, which is different in that 1-(triazen-N-sulfonate)-2-aroylantrahynone of general formula used as 2-aroylantrahynone derivative, wherein X has the indicated values, and which is boiled with alkali in ethylene glycol or diethylene glycol is described.
EFFECT: simplification of 7,8-phtaloylacrodone derivatives production process.
2 tbl, 3 ex
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RU2330029C1 |
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RU2332406C1 |
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RU2072356C1 |
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RU2277088C1 |
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Authors
Dates
2008-08-27—Published
2007-05-21—Filed