Two new ent-labdane diterpenoid glycosides from the aerial parts of Andrographis paniculata. 2008

Kai-Lan Zhou, and Li-Xia Chen, and Yu-Lei Zhuang, and Nai-Li Wang, and Xin-Sheng Yao, and Feng Qiu
Department of Natural Products Chemistry, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China.

Two new ent-labdane diterpenoid glycosides were isolated from the aerial parts of Andrographis paniculata. Their structures were elucidated as 3-O-beta-D-glucosyl-14-deoxyandrographiside (1) and 3-O-beta-D-glucosyl-14-deoxy-11,12-didehydroandrographiside (2) by means of 1D and 2D NMR spectral and chemical methods.

UI MeSH Term Description Entries
D004224 Diterpenes Twenty-carbon compounds derived from MEVALONIC ACID or deoxyxylulose phosphate. Diterpene,Diterpenes, Cembrane,Diterpenes, Labdane,Diterpenoid,Labdane Diterpene,Norditerpene,Norditerpenes,Norditerpenoid,Cembranes,Diterpenoids,Labdanes,Norditerpenoids,Cembrane Diterpenes,Diterpene, Labdane,Labdane Diterpenes
D006027 Glycosides Any compound that contains a constituent sugar, in which the hydroxyl group attached to the first carbon is substituted by an alcoholic, phenolic, or other group. They are named specifically for the sugar contained, such as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. Upon hydrolysis, a sugar and nonsugar component (aglycone) are formed. (From Dorland, 28th ed; From Miall's Dictionary of Chemistry, 5th ed) Glycoside
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D035261 Plant Components, Aerial The above-ground plant without the roots. Aerial Parts, Plant,Aerial Plant Components,Aerial Part, Plant,Aerial Plant Component,Component, Aerial Plant,Components, Aerial Plant,Part, Plant Aerial,Parts, Plant Aerial,Plant Aerial Part,Plant Aerial Parts,Plant Component, Aerial
D035685 Andrographis A plant genus of the family ACANTHACEAE. Members contain andrographolide and other DITERPENES and androechin, a CHALCONE. Andrographi

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