| 摘要 |
<p>FIELD: chemistry. ^ SUBSTANCE: method of opening tetrahydrofuran ring of allobetulin involves reaction of allobetulin with sodium iodide and acetyl chloride while boiling in acetonitrile for 5 hours to form a novel compound triterpenoid of the germanican family - 3, 19-di-9-acetyl-olean-iodide, output of which is 82% and purity 95%. ^ EFFECT: possibility of use in chemistry, medical chemistry and pharmacy. ^ 1 cl, 1 ex</p> |
