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Nitrogen-containing dihydro-β-agarofuran derivatives from Tripterygium wilfordii.
Thunder god vine, the dried roots of Tripterygium wilfordii, is a widely used traditional Chinese medicine. More than 200 bioactive complex natural products have been isolated from this herb.… Expand
Steryl esters and phenylethanol esters from Syringa komarowii
Three new steryl esters and a new phenylethanol ester, together with 22 known compounds were isolated from the aqueous ethanolic extract of the whole plants of Syringa komarowii. The new compounds… Expand
A new glucoceramide from the watermelon begonia, Pellionia repens
A new glucoceramide named pellioniareside (1) was isolated from the aqueous ethanolic extract of whole plants of Pellionia repens, together with lupeol (2), uracil (3),… Expand
Antibacterial Activity and Membrane-Disruptive Mechanism of 3-p-trans-Coumaroyl-2-hydroxyquinic Acid, a Novel Phenolic Compound from Pine Needles of Cedrus deodara, against Staphylococcus aureus
Recently, we reported that a novel phenolic compound isolated from Cedrus deodara, 3-p-trans-coumaroyl-2-hydroxyquinic acid (CHQA), exhibits a potent antioxidant activity. The present study aimed to… Expand
Novel cadinane and norcadinane sesquiterpenes and a new propanoate from Goldfussia psilostachys.
Three new compounds, goldfussins A (1) and B (2) and goldfussinol (3), and sixteen known compounds were isolated from the ethanolic extract of the whole plants of Goldfussia psilostachys. The… Expand
Lanostane-type C31 triterpenoid derivatives from the fruiting bodies of cultivated Fomitopsis palustris.
Fifteen undescribed and five known lanostane-type C31 triterpenoid derivatives were isolated from the aqueous EtOH extract of the fruiting bodies of cultivated Fomitopsis palustris. Their structures… Expand
Gas-phase intramolecular hydroxyl-amino exchange of protonated arginine and verified by the synthetic intermediate compound.
- Tian Cai, J. Zhou, +4 authors Zhijun Wu
- Chemistry, Medicine
- Journal of mass spectrometry : JMS
- 1 August 2018
A new fragmentation process was proposed to interpret the characteristic product ion at m/z 130 of protonated arginine. The α-amino group was dissociated from protonated arginine and then combined… Expand
Method for Infrared Spectral Compression Based on the Embedded Zerotree Wavelet
Abstract In this paper, the embedded zerotree wavelet (EZW) method and Huffman coding is proposed for the compression of infrared (IR) spectra. This technique is described based on the wavelet… Expand
Synthesis, X-Ray Crystallographic Analysis and BSA Interaction of a New α-Aminophosphonate
A new α-aminophosphonate (1) was synthesized and its composition and structure were established by EA, FT-IR, ESI-MS, NMR (1H, 13C, and 31P), and X-ray crystallography. Compound 1 crystallizes in a… Expand