%A Sun Handong Lin Zhongwen,Lou Jiafeng %T THE STRUCTURE OF CETRARIASTRUMIN, A NEW DEPSIDONE FROM THE LICHEN CETRARIASTRUM NEPALENSIS %0 Journal Article %D 1984 %J Plant Diversity %R %P 1-3 %V 6 %N 03 %U {https://journal.kib.ac.cn/CN/abstract/article_31800.shtml} %8 1984-06-25 %X A new depsidone, cetrariastrumin (1), C22H20O10, mp. l63-165℃, has been isolated from the extracts of Cetrariastrum nepalensis Awas. by means of silicagel column chromatography. The structtlre of (l ) was elucidated as 3-formyl- 4-hydrox--3' -hydrokymethyl-2', 6'-diethoxycarbony1- 6-methyl-depsidone by IR, UV, MS, 1H NMR and 18C NMR spectral data of cetrarias- trumin is presented.