FIELD: chemistry.
SUBSTANCE: allobetuline sulfation is carried out in 1,4-dioxane with mixture of sulfaminic acid and urea at temperature 70-75°C for 3-4 hours, with separation of product being performed by precipitation of reaction mass, its dilution with water, extraction with butyl or isoamyl alcohol with obtaining alcohol extract, which is washed with water, processed, concentrated with further separation of target product.
EFFECT: extension of assortment of sulfating reagents, suitable for allobetuline sulfation, improvement of method eco-friendliness, extension of assortment of sulfated allobetuline derivatives.
4 cl, 4 ex
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