supported by the Education Bureau of Fujian Province(No.JS06025);National Natural Sciences Foundation of China(No.29772010)
Two new triterpenoid saponins were isolated from the roots ofRhaponticum uniflorum. Their structures were elucidated as 3-O- [β-D-glucopyranosyl]-ilexolic acid-28-O-[β-D-glucopyranosyl] ester 1 and 3-O-[β-D-glucopy...
Plants of the Senecio Kaschkarovii are widely distributed in the southeast districts of Gansu province of China.In the past few years several sesquiterpenes had been isolated from this family compositae.On the basic o...
the National Laboratory of Applied Organic Chemistry,Lanzhou University for NMR,HRESIMS;to the National Natural Science Foundation of China for financial support(No.29772010).
Four new oleanane triterpene saponins were isolated and purified from the whole plant of Clinopodium urticifolium. They were 3B 16B, 23, 28-tetrahydroxyoleana-9 (11), 12(13)-diene-3-yl-[B-D-glucopyranosyl-(1-2)]-[B-D-...
A new triterpenoid saponin, namely unifloroside, together with five known compounds, was isolated from Rhaponticum uniflorum (L.) DC. The structure of the new triterpenoid saponin was elucidated as 3_O_ α_L_arabin...
合成了N-[(2-羟基-5-甲基苯)(苯基)]亚甲基邻苯二胺,晶体属单斜晶系,空 间群P21/c. 晶胞参数 a = 1.034 0(6) nm, b =1.092 0(3) nm, c =1.472 0(4) nm, β = 107.89(3)°, 化学式C20H18N2O, M r =302.36, Z =4, V =1.581 7(10...
Hydroxy 5 methylphenyl)(phenyl)methyl] 2 pyridylbenzimidazole was synthesized and its crystal structure was determined by X ray four cycle diffraction method. The crystal belongs to monoclinic, space group P2 1 /c , w...