Author/Authors :
Hua، نويسنده , , Shuzhen and Wang، نويسنده , , Xiaobing and Luo، نويسنده , , Jianguang and Wang، نويسنده , , Jun-Song and Kong، نويسنده , , Ling-Yi، نويسنده ,
Abstract :
Sumadains A (1) and B (2), a pair of unique isomeric sesquiterpene–chalcone conjugates with unprecedented skeletons, were isolated from the seeds of Alpinia katsumadai. Their structures and relative configurations were established by NMR spectroscopy and X-ray crystallography.
