title: Hyperatomarin, an antibacterial prenylated phloroglucinol from Hypericumatomarium ssp. degenii.
abstract: As shown by quantitative (1)H NMR measurements, a lipophilic extract of the aerial parts of Hypericum atomarium ssp. degenii contained a high percentage (3.1% per weight of dried plant material) of a prenylated phloroglucinol (1). Compound 1, named hyperatomarin, occurring in two tautomeric forms (1a <==> 1b), was isolated by bioactivity-guided preparative TLC and was identified on the basis of spectral data interpretation. This isolated phloroglucinol exhibited activity against Gram-positive (Staphyloccocus aureus and Microccocus luteus) and Gram-positive spore-forming bacteria (Bacillus subtilis and B. IP 5832).
mesh_terms: D000890:Anti-Infective Agents / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D006094:Gram-Positive Bacteria / Q000187:drug effects*; D006931:Hyperbaric Oxygenation; D020902:Hypericum / Q000737:chemistry*; D008826:Microbial Sensitivity Tests; D016982:Micrococcus luteus / Q000187:drug effects; D015394:Molecular Structure; D010696:Phloroglucinol / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D010946:Plants, Medicinal / Q000737:chemistry*; D012800:Siberia; D013211:Staphylococcus aureus / Q000187:drug effects
chemical_list: D000890:Anti-Infective Agents; C481745:hyperatomarin; D010696:Phloroglucinol