Naphthoquinones, anthraquinones and naphthalene derivatives from the bulbs of Eleutherine americana.
A new naphthoquinone, named eleuthinone A ( 8), two new anthraquinones, named eleuthraquinone A and B ( 12, 13), a naphthalene derivative, named eleucanarol ( 14) were isolated from the bulbs of ELEUTHERINE AMERICANA, together with two new natural products previously synthesized, and nine known compounds. Their structures were established based on spectroscopic evidence. Their antibacterial activities against STAPHYLOCOCCUS AUREUS ATCC25923 and ATCC27664, an enterotoxin producing strain were investigated.
Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, Thailand. wilawan.m@psu.ac.th
Wilawan
W
Mahabusarakam
Chulida
C
Hemtasin
Suda
S
Chakthong
Supayang Piyawan
SP
Voravuthikunchai
Ifesan Beatrice
IB
Olawumi
D000880:Anthraquinones / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D000900:Anti-Bacterial Agents / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D027621:Iridaceae / Q000737:chemistry*; D008826:Microbial Sensitivity Tests; D015394:Molecular Structure; D009285:Naphthoquinones / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D010936:Plant Extracts / Q000737:chemistry / Q000494:pharmacology*; D018517:Plant Roots; D013211:Staphylococcus aureus / Q000187:drug effects*
D000880:Anthraquinones; D000900:Anti-Bacterial Agents; D009285:Naphthoquinones; D010936:Plant Extracts; C551669:eleucanarol; C551640:eleuthinone A; C551641:eleuthraquinone A; C551642:eleuthraquinone B