Novel imine from Hemsleya macrocarpa var. clavata.
The new substance hemsleyin imine A (1) was isolated along with (2S,3S,4R,2'R)-2-(2'-hydroxytetracosanoyl-amino)-octadecan-1,3,4-triol (2), (2S,3 R,4E,8E)-1-O-beta-D-glucopyranosyl -3-hydroxy-2-(2'R-hydroxypalmitoylamino)-4,8-octadecadiene (3) from the rhizomes of Hemsleya macrocarpa var. clavata. Their chemical structures were established mainly by spectral analysis and chemical evidence. Compound 1 possesses the skeleton of an imine moiety, which is novel in natural products.
Lin
Yu-Ping
YP
State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of the Sciences, Kunming 650204, People's Republic of China.
Yan
Jian
J
Qiu
Ming-Hua
MH
D019662:Cucurbitaceae / Q000737:chemistry*; D007097:Imines / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry / Q000379:methods; D013055:Spectrophotometry, Infrared
D007097:Imines