FIELD: chemistry.
SUBSTANCE: invention relates to chemical and pharmaceutical industry and synthesis of allobetulin 3-O-benzoate which can be used as a biologically active agent. The allobetulin 3-O-benzoate synthesis method involves boiling betulin with benzoic acid in toluene in the presence of a catalyst - orthophosphoric acid for 5-6 hours and then extraction of the end product.
EFFECT: simplification of technology owing to cutting the number of steps and higher output of the end product.
1 cl, 1 ex
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