Wang Shan-Shan, Huang Wen-Zhong, Zeng Guang-Zhi, Zhu Hong, Zhang Zai, Li Gan-Peng, Jiang Meng-Yuan, Gao Xue-Mei
Key Laboratory of Chemistry in Ethnic Medicinal Resources,State Ethnic Affairs Commission & Ministry of Education,Yunnan Minzu University Kunming 650500,China.
Department of Chemical Science and Technology,Kunming University Kunming 650500,China.
Zhongguo Zhong Yao Za Zhi. 2019 Feb;44(4):712-716. doi: 10.19540/j.cnki.cjcmm.20181121.007.
A total of ten compounds were isolated from the 90% Et OH extract of Cassia siamea by using various chormatographic techniques,and their structures were established as( 2' S)-2-( propan-2'-ol)-5,7-dihydroxy-benzopyran-4-one( 1),chrobisiamone( 2), 2-( 2'-hydroxypropyl)-5-methyl-7-hydroxychromone( 3), 2,5-dimethyl-7-hydroxychromone( 4), 2-methyl-5-acetonyl-7-hydroxychromone( 5),3-O-methylquercetin( 6),3,5,7,3',4'-pentahydroxyflavonone( 7),luteolin-5,3'-dimethylether( 8),4-( trans)-acetul-3,6,8-trihydroxy-3-methyl-dihydronapht halenone( 9) and 6-hydroxymellein( 10) based on the spectroscopic data.Compound 1 was a new compound,and 3,4,6,8 were isolated from this plant for the first time.
通过各种色谱技术从暹罗决明90%乙醇提取物中总共分离出10种化合物，根据光谱数据确定它们的结构分别为(2'S)-2-(丙-2'-醇)-5,7-二羟基苯并吡喃-4-酮(1)、暹罗双酮(2)、2-(2'-羟丙基)-5-甲基-7-羟基色酮(3)、2,5-二甲基-7-羟基色酮(4)、2-甲基-5-乙酰基-7-羟基色酮(5)、3-O-甲基槲皮素(6)、3,5,7,3',4'-五羟基黄酮(7)、木犀草素-5,3'-二甲醚(8)、4-(反式)-乙酰基-3,6,8-三羟基-3-甲基二氢萘醌(9)和6-羟基间型霉素(10)。化合物1是新化合物，3、4、6、8首次从该植物中分离得到。
