METHOD FOR PREPARING 3-O-PHTHALATE ALLOBETULIN Russian patent published in 2012 - IPC A61K31/56 C07J63/00 C07J53/00 

Abstract RU 2452487 C1

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to chemical-pharmaceutical industry and concerns preparing 3-O-phthalate allobetulin which can find application as a biologically active agent by one-stage high-yield boiling treatment of betulin with phthalic anhydride in 1,4-dioxane in the presence of a catalyst - orthophosphoric acid.

EFFECT: preparing 3-O-phthalate allobetulin.

2 dwg, 1 ex

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Authors

Levdanskij Vladimir Aleksandrovich

Levdanskij Aleksandr Vladimirovich

Kuznetsov Boris Nikolaevich

Dates

2012-06-10Published

2011-04-13Filed