Isolation of Ellagitannin Monomer and Macrocyclic Dimer from Castanopsis carlesii Leaves
スポンサーリンク
概要
- 論文の詳細を見る
In a phytochemical and chemotaxonomical investigation of Castanopsis species (Fagaceae), new monomeric and dimeric ellagitannins, named carlesiins A (1) and B (2), were isolated from fresh leaves of Castanopsis carlesii along with 55 known compounds. Carlesiin A was identified as 1-O-galloyl-4,6-(S)- tergalloyl-ß-D-glucose. Carlesiin B is a macrocyclic ellagitannin dimer with a symmetrical structure composed of two tergalloyl and two glucopyranose moieties. Their structures were elucidated based on spectroscopic and chemical evidence.
- 日本複素環化学研究所の論文
- 2012-07-24
日本複素環化学研究所 | 論文
- Reactions of 2-Triphenylphosphoimino-1-azaazulenes with Aryl Isocyanates and Aryl Isothiocyanates
- Synthesis and some reactions of 11-azacyclohept[a]azulen-3(3H)-ones and evaluation of their cytotoxic activity against HeLa S3 cells
- Palladium-catalyzed heteroarylamination of ethyl 2-chloro-1-azaazulene-3-carboxylate and annulation of heteroarylamino-1-azaazulenes
- Synthesis of [poly(2-pyridyl)-substituted]-1-azaazulenes
- Heteroarylamination and heteroarylsulfidation of 2-chloro-1-azaazulenes