flavanone相关论文
Isoflavone and flavanones as a potential dietary strategy to improve the health performance and immu
Flavonoids have been recognized as a health promoting phytochemicals in several animal studies.Among different flavonoid......
A new flavanone named macrouroine C (1) was isolated from the bark of Morus macroura Miq.. The structure of 1 was eluci......
从南酸枣树皮分离到两种双氢黄酮类化合物,经光谱分析证明其中一种是柑桔素,另一种是新化合物,命名为南酸枣甙(choerospondin)即5,......
从白胡枝子根皮中分得一新的二氢黄酮,根据波谱确定其结构为6,8,3′-三异戊烯基-5,7,2′,4′-四羟基-(2S)-二氢黄酮。
A new flav......
黄酮类化合物按其基本骨架分类可分为:黄酮(flavone),黄酮醇(flavonol),二氢黄酮(flavanone),二氢黄酮醇(flavanonol),异黄酮(iso......
Lespedezaflavanone-A(1)was a new isoprene substituted flavanone which was isolatedfrom,the root bark of Lespedeza david......
目的研究匙叶八角Illicium spathulatum枝叶的化学成分。方法匙叶八角枝叶的甲醇提取物经醋酸乙酯和正丁醇萃取部分经过反复的硅胶......
(±)Lespedezaflavanone E, 6, 8, 3’-tri (γ,γ-dimethylallyl)-5, 7, 2’, 4’-tetrahydroxy-flavanone, has been synthesiz......
Objective:To investigate the butanol fraction of the water/acetone extract and isolate of the new flavonoids from Launea......
Cytotoxic effect some fractions of parasitic tea tree(Scurrulla atropurpurea Danser)and its potentia
OBJECTIVE To investigate the secondary metabolite flavonoids containing beside epigallo catechin 3-gallate(EGCG)from n-h......
The present study was designed to determine the major chemical constituents of the leaves of Rhododendron dauricum L. Co......
It is reported that 6-methyl-flavanone oxime would rearrange to isoxazoline in the presence of trifluroacetic acid and t......
Influence of Mobile Phase Composition on the Enantioseparation of Methoxyl Flavanones with Self-prep
The influence of different alcohol modifiers in mobile phase on the chiral separation of 4-methoxyl flavanone, 5-methoxy......
Biflavonoids, widely distributed in natural plants, had strong biological activities including spasmolysis, peripheral v......
Synthesis of New Flavanone Derivatives of Farrerol and Preliminary SAR Studies on Anti-VSMCs Vegetat
A series of new flavanone derivatives of farrerol was designed and synthesized as a potent inhibitor of vascular smooth ......
Two new dihydroflavonoids were obtained from the traditional Chinese medicinal herbPatrinia villosa Juss. Their structur......
A new flavanone (2S)-5, 7, 2’,5’-tetrahydroxy-flavanone 1 together with a new flavanone glycoside (2S)-5, 7, 2’,5’-t......
A new prenylated dihydroflavonoid was obtained from the root of Dolichos tenuicaulis (Baker) Craib. The structure was el......
Two new flavanone glycosides 1 and 2 were isolated from the aerial parts oi Macrothelypteris torresiana(Gaud.)Ching.The ......
A novel antimicrobial flavonoidic glycoside from the leaves of Alstonia macrophylla Wall ex A.DC(Apo
A new flavonoidic glycoside,tricin-4’-O-β-L-arabinoside(1) was isolated from the leaves of Alstonia macrophylla along ......
Two new homoisoflavanones were isolated from the rhizomes of Polygonatum odoratum(Mill.) Druce and their structures were......
Asymmetric intramolecular oxa-Michael addition of activated α,β-unsaturated ketones by chiral N-trif
Asymmetric intramolecular oxa-Michael addition of activated α,β-unsaturated ketones by chiral N-triflyl phosphoramide ......
Benzyl and anthracenemethyl groups were respectively bonded to the N atoms of 3-aminopropyl functionalized mesoporous SB......
采用IEF/SDS-PAGE双向电泳技术,对’立冬本’龙眼合子胚发育不同时期的蛋白质进行分离,通过MALDI-TOF/TOF鉴定到其中一个上调差异......
A new indole alkaloid, crenulatine (1), along with twenty known compounds, was isolated from the stems of Lionia Crenula......
Objective To study the chemical constituents from EtOAc extracts of Paeonia lactiflora.Methods Compounds were isolated b......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
以2,4-二羟基苯乙酮为原料,经C-异戊烯基化和酚羟基保护制得中间体2-羟基-4-甲氧甲氧基-3,5-二异戊烯基苯乙酮(4)。以对羟基苯甲醛......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The total synthesis of (±)-abyssinoflavanone V was first achieved through C-prenylation, selective protection of phenol......
Benzyl and anthracenemethyl groups were respectively bonded to the N atoms of 3-aminopropyl functionalized mesoporous SB......
A facile approach for the first total synthesis of naturally occurring geranylated flavanoids sepicanin A has been obtai......
从中华荚果蕨Ｍａｔｔｅｕｃｃｉａ ｉｎｔｅｒｍｅｄｉａＣ．Ｃｈｒ。中分离出三种双氢黄酮类化合物，经光谱方法鉴定为去甲基荚果蕨素（Ｉ），甲氧基荚果蕨辛（Ⅱ）和荚果蕨素（Ⅲ）。另外还分离出槲皮......
设计合成了11种B环上含不同性质取代基的新型黄烷酮衍生物,采用核磁共振氢谱及元素分析对所合成的化合物进行了结构表征.初步杀菌......
提取石榴皮中抑菌成分——黄酮,采用抑菌圈法研究了石榴皮提取物对几种常见的细菌、酵母菌、霉菌以及乳酸菌的抑菌效应,并将其加入......
采集同一环境不同生长时期的蕨，经过杀青、烘干、粉碎、脱脂、乙醇浸提，再用亚硝酸钠一硝酸铝比色法测定不同生长期蕨各部位的黄酮含......
从双异戊烯基肉桂酸与一系列酚类化合物合成了12种新型的双异戊烯基取代的黄烷酮,产率69%～30%. 所有新化合物的结构均经元素分析、......
3种香叶基黄烷酮是从毛泡桐（Paulownia tomentosa）水果中分离出的3种具有相似结构的黄酮类化合物。我们以廉价的2,4,6-三羟基苯乙酮,......
合成了7对B环有不同取代基的7-羟基黄烷酮和7-羟基黄酮。比较了它们对离体豚鼠心脏冠脉流量、心肌收缩力和心率的影响。发现2,3-位......
从3,4-二羟基苯甲醛和2,4,6-三羟基苯乙酮出发,通过单甲基化,羟基保护,羟醛缩合,O-Mi-chael加成及脱保护,5步全合成天然产物橙皮素......
目的:对茉莉花茎黄酮的抗氧化作用进行研究.方法:以95％乙醇为溶剂,超声辅助法提取茉莉花茎中的黄酮;采用比色法测定茉莉花茎黄酮对D......
从陕西秦岭产东方荚果蕨中分得二个双氢黄酮类化合物，经光谱方法鉴定为５，７－二羟基－６，８－二甲基－３’－甲氧基－双氢黄酮（Ⅰ）和荚果蕨素（Ⅱ）。其中Ⅰ为未曾......
目的:从枳Ju子（Hovenia acerba Lindl.）中提取分离活性成分。方法：95％乙醇加热提取、溶剂萃取、硅胶柱层析、重结晶等。结果：分离得到48......
合成了五组B环具不同取代基的黄酮和黄烷酮-7-o-异丙醇胺衍生物,并进行了对乌头碱诱发大鼠室性心律失常预防作用的药理试验。有五......
