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Background: Stephania tetrandra S.Moore (ST), a kind of traditional Chinese herbal medicine (TCHM).It has been used in C......

Japanese dodder(Cuscuta japonica)is a flowering,parasitic weed that causes major yield losses on crop and forest product......

In order to overcome the significant side effects and acquired or intrinsic resistance of platinum-based anticancer drug......

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In HPLC analysis, basic compounds can suffer from peak tailing and poor efficiency on silica-based RP columns, due to de......

Rutaecarpine1 and Luotonin A2 are two kinds of natural alkaloids sharing the similar fused quinazolinone structure (Ring......

Gancaofuzi decoction is a classic Chinese medicinal preparation for the treatment of rheumatic and rheumatoid arthritis.......

In the present investigation,the alkaloid extracts obtained from leaves of Avicennia marina were isolated by Sephadex LH......

　　The alkaloids of Piper Iongum L.(PLA) improved motor dysfunction and dopamine depletion in a rat model of Parkinsons......

　　Alkafoids are an important type of natural products,most of which are produced by plants and about one-third are pro......

<正> Spectabiline is one of the derivatives of the macro-ring diester pyrrolisidine alkaloid monocrotaline. It was isola......

<正> The pyrrolizidine alkaloid monocrotaline-N-oxide is synthesized from monocrotaline (C16H23NO6). Many pyrrolizidine ......

The inhibitory effects of three berberine alkaloids (BAs) from rhizome of Coptis chinensis Franch, a traditional Chinese......

(-) Huperzine A is a bioactive alkaloid from Huperzia serrata (Lycopodiaceae) used for the treatment of Alzheimer’s dis......

[Objective] To screen the optimal extraction technology of total alkaloids from RADIX ACONITI LATERALIS PREPARATA,so as ......

This paper described a practical five-step synthetic approach for 2-amino-5-methoxylpropiophenone in 45%overall yield,us......

The present study was designed to isolate and purify chemical constituents from solid culture of endophyte Aspergillus t......

While elucidating the inhibitory mechanism of a hydrolytic enzyme by aldehyde-containing natural product,we discovered a......

An evaluation was performed on the influence of mowing height (2.5,5.0 or 7.5 cm) and mowing frequency (weekly or fortni......

In this paper,we report a novel approach to the heteroaryl-condensed nuclei of natural furo[3,2-a]carbazole alkaloids.Ou......

Objective The effect of the ephedra/ephedrine alkaloid methylephedrine(dl-methylephedrine hydrochloride for testing in t......

This paper summarizes the progress on the total syntheses of natural products accomplished in mainland China during the ......

The present study was designed to investigate the non-alkaloid compounds from the leaves and stems of Vinca major cultiv......

Aconiti Lateralis Radix Praeparata(Fuzi) is a commonly used traditional Chinese medicine in clinic for its potency in re......

AIM To examine the efficacy of three extraction techniques: Soxhlet-extraction(SE), cold-maceration(CM) and microwave-as......

Xingxiong injection(XXI) is a widely used Chinese herbal formula prepared by the folium ginkgo extract and ligustrazine ......

Two new N-methyladenine-containing diterpenes,nemoechines F(l)and G(2),were isolated from the South China Sea sponge Age......

One novel(named palcernuine, 1) and five known cernuane-type(2–6) alkaloids were isolated from the whole plant of Palhi......

Lycopodium alkaloids, a unique family of biologically important natural products isolated and characterized from various......

The cinchona alkaloids catalyzed the direct asymmetric Mannich reactions of 1,3-dicarbonyl compounds with acyl imines to......

Three new pyrrolizidine alkaloids, nervosine VⅡ (1), nervosine VⅢ(2) and nervosine Ⅸ(3) were isolated from the whole......

Background：Improvingorcorrectingabnormallipidmetabolismisessentialforpreventionandtreatmentofcardiovasculardisease．Tatined......

Autoimmune diseases characterized by activation of immune effector cells and damage of target organs are currently trea......

A rare arcutine-type C_(20)-diterpenoid alkaloid, named aconicarmicharcutinium A and obtained as hydroxide(1) and triflu......

One new bisbenzylisoquinoline alkaloid, neferine N-oxide(1), along with three known compounds,neferine(2), liensinine(3)......

Theacrine(1,3,7,9-tetramethyluric acid),a purine alkaloid similar to caffeine in its chemical structure,is isolated from......

One new stenine-type alkaloid,tuberostemonine D(1),together with five known stenine-type alkaloids(2–6) and two known s......

A pair of indole alkaloid enantiomers with a novel bisindolylacetamide skeleton, insatindibisindolamides A and B(1a and ......

A model study leading to the preparation of the unique tricyclo [6.2.1.0] undecane BCD ring systems of aconitine is desc......

Subject Code:B02 With the support by the National Natural Science Foundation of China,the research group led by Prof.Tan......

Aucubinine B(4),a monoterpene alkaloid obtained from themetabolites of aucubin in the presence of human intestinal bac-......

C23H23O5N Mr = 393.44, triclinic,space group P 1, a =7.659(3), b= 10.183(10), c=13.396(2)A,α=92.21(7),β=100.86(2),γ=......

采用pH 3.2,360 mmol/L酒石酸缓冲体系,毛细管区带电泳能成功地将烟草生物碱基线分离.与磷酸缓冲液相比,该方法提高了分离度和检测......

The crystals of alkaloid Dehydrocrydaline chloride (C_(22)H_(24)NO_4·HCl) belong to the orthorhombic system. The space......

A new tropane alkaloid, (-)anisodlne (Ⅰ), was isolated from the plant of Anisodus tanguticus. It is a novel ganglio bl......

A biomimetic type transformation of vobasine (6) to koumine (1) is described and a pro-bable biogenetic pathway is prop......

Mr = 431,.6 orthorhombic,P212121,a = 8.526(2), b = 9.970(2), c= 29.787(6)X,Z=4,V=2532.0A3,Dc=1.132g.cm-3,λ(MoKα)=0.71......