New loliolide derivatives from the brown alga Undaria pinnatifida.
Seven carotenoid metabolites including five loliolide derivatives have been isolated from the brown alga Undaria pinnatifida, including three new compounds. Structures of these compounds were confirmed by spectroscopic analyses and literature data.
Kimura
Junji
J
Department of Chemistry, College of Science and Engineering, Aoyama Gakuin University, 6-16-1 Chitosedai, Setagaya, Tokyo, 157-8572, Japan. kimura@candy.chem.aoyama.ac.jp
Maki
Noritsugu
N
D002338:Carotenoids / Q000737:chemistry / Q000302:isolation & purification*; D002851:Chromatography, High Pressure Liquid; D007564:Japan; D008968:Molecular Conformation; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D000459:Phaeophyceae / Q000737:chemistry*; D012624:Seaweed / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013237:Stereoisomerism; D013729:Terpenes / Q000737:chemistry / Q000302:isolation & purification*
D013729:Terpenes; D002338:Carotenoids