The pyrrole nucleus as a prevalent heterocyclic structure is embedded in biologically active natural products, synthetic pharmaceuticals1 and they also widely existed in material science, solar batter
Chemical synthesis is essential to natural products research not only for supply of sufficient material but for the structure confirmation.Eleganketal A, a naturally occurring aromatic polyketide poss
白木香(土沉香)Aquilaria sinensis (Lour.) Spreng.,是原产于我国的药用植物,名贵药材国产沉香的来源植物.近年来,由于资源匮乏和沉香药材不断上涨的价格,随着长期的大量砍伐,白木香的野生资源已日渐枯竭,且白木香树体只有含树脂的木材可作为药用,白木香叶等其它部位均被作为废物处理,造成大量的资源浪费.白木香叶的化学成分及相关研究还很少,在最近几年才逐渐展开,白木香叶片的化
A series of novel tetrandrine derivatives were designed, synthesized and evaluated for anticancer activity against human hepatocellular carcinoma cell line (PLC/PRF/5), and the preliminary structural-
Schiff bases (aldehyde or ketone-like compounds) exhibited intense antibacterial and antitumor characteristics, and are therefore, promising candidates as antibacterial and antitumor agents.To investi
Prenylated flavonoids are a unique class of natural products.They were widely distributed in many traditional medicinal plants and have attracted appreciable attention in relation to their potential b
Icaritin (1), the aglycone of icariin, is a natural prenylated flavonoid.The β-anhydroicaritin, in which its 8-prenyl group formed a cycloether, is an icaritin derivative.
The widespread presence of the pyrrole unit in pharmaceuticals and biologically active natural products has greatly contributed to its synthesis and transformations1,2.As a class of significant pyrrol
Tuberculosis (TB) is a contagious-infectious disease mainly caused by Mycobacterium tuberculosis.Antitubercular bioassay-guided fractionation of the chloroform extract of the leaves and stems of Ardis
Myrmekioside A, belonging to a new family of glycolipids with a unique structure of mono-O-alkyl-diglycosylglycerol, was isolated from a marine sponge of Myrmekioderma sp.and showed reversing effect o