-=MAPLE GALAXY=-

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Two new C-glycosylflavones from Mimosa pudica

= 2.0,8.0 Hz, H a 6,),[link widoczny dla zalogowanych], thesignalat4.87 (d, 1H, J = 8.0Hz, H a 1) showedcorrelationwiththesignalat4.02 (m, 1H, H-2), 3.51 ( m, 1H, H a 3) showedcorrelationwiththesignalat3.63 (m, 1H, H-4). FromtheHM mouth EICexperimentof2, (C a 5); 7.53 (H a 5) wim151.4 (C a 46.89 (H a 6) wim123.9 (C a 1,), 166.8 (C a 2) and151.4 ( c-4,[link widoczny dla zalogowanych],). Onthebasisofsuchpreliminaryinformation.thelocationoftheglucoseandapiosewereestablishedonthebasisofHM mouth EICcorrelationsfromH4.87 (d, 1H, H a 1) toc108.3 (C A Cool

and162.3 (C A 7) andH5.06 (d,[link widoczny dla zalogowanych], 1H, H-1) toc75.2 (C a 4) (Fig.1). TlleB-D-glycosegroupswasattachedtotheC a 8ofA-ring, theD-apiosegroupswasattachedtotheC a 4ofglucose, thenthelowfieldchemicalshiftofC a 4about5ppmindicatedC.1ofD-apiosegroupsatthisposition.TheHNMRand 5,[link widoczny dla zalogowanych],7,3,4 r_tetrahydroxy one of a C-8 [13 a D-apiose a (1__ ÷ 4)] a B-D-glucopyranosylflavone (Fig.1,. HNMand 1234AcknowledgmentWearegratefultotheCenterofAnalysisandTes6ng, ZhengzhouUniversity, forperformingNMRandMS. 【1】 JiangsuNewMedicalCollege,[link widoczny dla zalogowanych], ADictionaryofTraditionalalilleseMedicines. ShanghaiScienceandTechnologyPress, Shanghai, 1986, Pll47. 【2】 K. Yuan, J. L. Lu, M. WYm, ActaPharm.Sin.41 (2006) 435. 【3 】 KYuan. A. Jia, J. L. Lu. ChinaJ.Chin.Mater.Med.31 (20o6) 1029 (inChinese). [4] K. Yuan. J. LLu, A. Jia, Chin.Pharm.J .41 (20o6) 1293. 【5】 Yuan, L. Yu, Chin.J.AnalChem.33 (2005) 1358.