FIELD: chemistry.
SUBSTANCE: invention relates to the chemical and pharmaceutical industry and specifically to an agent which is 8-(methoxycarbonyl)-4b,8-dimethyl-3-(2-methylpropanoyl)-tetradecahydrophenanthrene-1,2,10a-tricarboxylic acid of formula (I): 
, having low toxicity and marked anti-inflammatory and anti-ulcer activity. Described also is a method of producing 8-(methoxycarbonyl)-4b,8-dimethyl-3-(2-methylpropanoyl)-tetradecahydrophenanthrene-1,2,10a-tricarboxylic acid involving reaction of methyl ether of maleopimaric acid with ozone in methylene chloride medium at temperature 0°C with output of 89% after re-crystallisation.
EFFECT: improved properties of compounds.
2 cl, 2 ex, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| 13-ISOPROPYL-4,10-DIMETHYLDODECAHYDRO-13,16-EPOXYOXIRENO[2,3]NAPHTHO[2,1-d][1,2]DIOXYCIN-4-CARBOXYLIC ACID AGENT, EXHIBITING ANTI-INFLAMMATORY AND ANTIULCER ACTIVITY | 2011 |
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