Three new furan derivatives and a new fatty acid from a Taiwanese marine sponge Plakortis simplex.
Three new furan derivatives, plakorsins A-C (6-8), together with a new fatty acid, plakortic acid (9), have been isolated from the Taiwanese marine sponge Plakortis simplex in addition to the known metabolites chondrillin (1), 6-epi-chondrillin (2), 2-oxo-2,5-dihydrofuran-5-acetic acid methyl ester (methyl 1,4-epoxy-1-oxo-2-hexenoate) (3), dimethyl beta-ketoadipate (4), and the monomethyl ester of cis,cis-muconic acid (5). The structures of these compounds were established mainly on the basis of spectral data and chemical methods. Biological studies revealed that compound 7 exhibited cytotoxic activity against COLO-250 and KB-16 cells, and compound 1 is active against KB-16 cells.
Institute of Marine Resources, National Sun Yat-sen University, 70 Lien-Hai Road, Kaohsiung, Taiwan, Republic of China. ycshen@mail.nsysu.edu.tw
Y C
YC
Shen
C V
CV
Prakash
Y H
YH
Kuo
D000818:Animals; D005227:Fatty Acids / Q000737:chemistry / Q000302:isolation & purification*; D005663:Furans / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D011161:Porifera / Q000737:chemistry*; D013624:Taiwan
D005227:Fatty Acids; D005663:Furans; C429217:plakorsin A; C429218:plakorsin B; C429219:plakorsin C