Previously, Lin et al. reported the isolation and structural determination of two triterpenoids, garcinielliptin oxide (GO) and garcinielliptone E (GE). Their unusual structural features, which remain

NIAID Data Ecosystem40

Structure Revision of Circumdatins A and B, Benzodiazepine Alkaloids Produced by Marine Fungus Aspergillus ostianus , by X-ray Crystallography

天然产物结构鉴定

X射线晶体学

The structures of circumdatins A and B, pentacyclic alkaloids produced by Aspergillus ostianus, were revised from the previously reported betaine structures to unique oxepin ones by X-ray crystallogra

NIAID Data Ecosystem30

Synthesis of 1,4-Oxazepane-2,5-diones via Cyclization of Rotationally Restricted Amino Acid Precursors and Structural Reassignment of Serratin

杂环化合物合成

天然产物结构鉴定

Several natural products containing a 1,4-oxazepane-2,5-dione-core are known. One example is serratin, isolated from Serratia marcescens. Because of the presence of a carboxylic amide, which has a pre

NIAID Data Ecosystem40

Supplement to: Isolation, identification, and structure elucidation of beta-sitosterol from Iraqi Plantago major using GC-MS, HPTLC, NMR, and FTIR

植物化学分析

天然产物结构鉴定

Supplement to: Isolation, identification, and structure elucidation of beta-sitosterol from Iraqi Plantago major using GC-MS, HPTLC, NMR, and FTIR

NIAID Data Ecosystem40