• 不 限
  • 期刊论文
  • 硕博论文
  • 会议论文
  • 报 纸
  • 英文论文
  2. 您的位置
  3. 首页
  4. 期刊论文
  5. A Styrylpyrone Dimer from the Bark of Goniothalamus leiocarpus

A Styrylpyrone Dimer from the Bark of Goniothalamus leiocarpus

来源 :中国化学快报（英文版） | 被引量 : 0次 | 上传用户：shuper
【摘 要】
：
A dimer of styrylpyrone derivative, leiocarpin E (1), was isolated from the bark of Goniothalamus leiocarpus. Its structures was elucidated by means of spectral
【作 者】
：
Qing MU Yi Neng HE Wei Dong TA 
【机 构】
：
School of Pharmacy,Phytochemistry Laboratory,Shanghai Institute of Materia Medica
【出 处】
：
中国化学快报（英文版）
【发表日期】
：
2004年期
【关键词】
：
Goniothalamus G. leiocarpus cytotoxicity styryllactone leiocarpin E 
【基金项目】
：
国家自然科学基金;国家重点基础研究发展计划(973计划)
下载到本地 , 更方便阅读
下载此文 赞助VIP
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A dimer of styrylpyrone derivative, leiocarpin E (1), was isolated from the bark of Goniothalamus leiocarpus. Its structures was elucidated by means of spectral and chemical methods. The cytotoxicity of leiocarpin E against HL-60 cells was tested.
其他文献
The Amplitude of Mass Fluctuations and Mass Density of the Universe Constrained by Strong Gravitatio
We investigate the linear amplitude of mass fluctuations in the universe,σ8, and the present mass density parameter of the Universe, Ωm, from statistical stro
期刊
cosmology: theory - cosmological parameters - gravitational lensing
OPTIMIZATION OF ADAPTIVE DIRECT METHOD FOR APPROXIMATE SOLUTION OF INTEGRAL EQUATIONS OF SEVERAL VAR
This paper determines the exact error order on optimization of adaptive direct methods of approximate solution of the class of Fredholm integral equations of th
期刊
Integral equationsdirect methodsanisotropic sobolev classes
STUDIES ON THE PORE FORMATION MECHANISM OF β-CRYSTALLINE POLYPROPYLENE UNDER STRETCHING
The pore formation mechanism of β-crystalline polypropylene under stretching was investigated. The porosity of the samples increases rapidly with stretching, h
期刊
Pore formation under stretchingβ-crystalline polypropyleneMechanism
PREPARATION AND STRUCTURE OF FIVE DERIVATIVES OF β-(1→3)-D-GLUCAN ISOLATED FROM PORIA COCOS SCLEROTI
A new solvent of cellulose (1.5 mol/L NaOH/0.5 mol/L urea aqueous solution) was used as one of the homogeneous reaction media of polysaccharides for methylation
期刊
Chemical structureSulfationCarboxymethylationMethylationHydroxyethylationHy
UNCONDITIONAL STABLE DIFFERENCE METHODS WITH INTRINSIC PARALLELISM FOR SEMILINEAR PARABOLIC SYSTEMS
The general finite difference schemes with intrinsic parallelism for the boundary value problem of the semilinear parabolic system of divergence type with bound
期刊
Difference schemeIntrinsic parallelismParabolic systemStabilityConvergence
Energy Radiation of the Active Galactic Nuclei
In the Hellings-Nordtvedt theory, we obtain some expressions of energy radiation and mass defect effect for a kind of the active galactic nuclei, which is meani
期刊
energy radiationmass defectgeneral relativity
Streamflow and Soil Moisture of Agroforestry and Grass Watersheds in Hilly Area
A study was conducted in a hilly area of Sichuan Province,Southwestern China, to compare the streamflow and soil moisture in two upland watersheds with differen
期刊
agroforestrysoil moisturestreamfiow
A NEW GENETIC SIMULATED ANNEALING ALGORITHM FOR FLOOD ROUTING MODEL
In this paper, a new approach, the Genetic Simulated Annealing (GSA), was proposed for optimizing the parameters in the Muskingum routing model. By integrating
期刊
Flood routingGenetic Simulated Annealing(GSA)Muskingum model
FOULING PREVENTION WITH FLUIDIZED PARTICLES IN EVAPORATION OF TRADITIONAL CHINESE MEDICINE EXTRACT
The present investigation shows that comparing with the evaporation of vapor-liquid two-phase flow boiling system, heat transfer is enhanced by adding proper in
期刊
fouling preventionfluidized particlesevaporationtraditional Chinese medicine
N,N-Dilauryl Chitosan:Synthesis and Surface Pressure-area Isotherm
With sodium dodecyl sulfonate(SDS) as the phase transferring catalyst, N,N-Dilauryl chitosans with a high degree of alkyl group substitution were prepared and c
期刊
NN-Dilauryl chitosanSynthesisIsotherm