Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Yong‐Zheng Hui"'
Publikováno v:
Chinese Journal of Chemistry. 13:539-544
The structure of a saccharide component (Abs), with pronounced activity of improving immunity system, isolated from the root of Achyranthes bidentata Blume, a traditional Chinese herbal medicine, was studied. Based on 13C NMR, HPLC, and methylation a
Autor:
Kang-Ning Liang, Yong‐Zheng Hui
Publikováno v:
Chinese Journal of Chemistry. 10:481-486
The surface pressure-area diagrams of double-chain fluorocarbon amphiphiles with different headgroup compositions show that the amphiphiles arrange almost perpendicularly to the water subphase and the structure of headgroups exerts significant influe
Autor:
Kang-Ning Liang, Yong‐Zheng Hui
Publikováno v:
Chinese Journal of Chemistry. 10:396-404
This paper presents the preparations and characterization of vesicles of four new fluorocarbon amphiphiles with 1,3-disubstituted glycerol structure in common and different headgroups (OH, 1; CO2H, 2; quaternary ammonium salt, 3; and pyridinium salt,
Autor:
Yong-Zheng Hui, Jie Xia
Publikováno v:
Chemical and Pharmaceutical Bulletin. 47:1659-1663
Phospholipids constitute the main structural component of cell membranes. Due to their amphiphilic nature, they associate into aggregate structures such as vesicles, micelles and bilayers. In biological phospholipid assemblies, the nature of the lipi
Autor:
Jie Xia, Yong-Zheng Hui
Publikováno v:
Tetrahedron: Asymmetry. 8:3131-3142
The synthesis of the novel ether phospholipids from d -mannitol as homochiral material using a new method for the removal of a tert-butyldimethylsilyl group for hydroxyl protection without acyl migration and their properties including bioactivity are
Publikováno v:
Synthetic Communications. 27:1907-1917
A general method of 1,6-di-O-acetylation of methyl-a/β-glycopyranosides and a strategy to synthesize protected dimethyl (2,3,4-tri-O-benzyl-α-D-glycosyl) phosphonate having a free OH at C-6 are reported.
Publikováno v:
Journal of Physical Organic Chemistry. 10:305-310
Complexation constants with the macrocyclic azoniacyclophane CP44 and phenyl guest compounds with at least four fluorine atoms or alternatively protons at the ring were obtained by NMR shift titrations in water. The fluorinated compounds show free en
Autor:
Jie Xia, Yong-Zheng Hui
Publikováno v:
Tetrahedron: Asymmetry. 8:451-458
The polyunsaturated mixed-acid phosphatidylcholine, 1-palimoyl-2-linolenoyl-sn-glycerophosphocholine 1a and 1-stearoyl-2-linolenoyl-sn-glycerophosphocholine 1b prepared from d -mannitol as an optically active starting material is described.
Publikováno v:
Journal of Carbohydrate Chemistry. 15:1139-1145
Glycosylations and deacetylations of 2-O-acetyl of O-peracetylated β-D-glucopyranose were realized in one step by reactions with 4.0 equivalents of alcohols and 1.5 equivalents of trifluoroborane etherate. Thus, various β-D-glucopyranosides with a
Publikováno v:
Journal of Carbohydrate Chemistry. 15:965-974
The methyl glycoside, (3-SO3Na)GlcNAcβ1→3Fucβ1→OMe, of a sulfated disaccharide that is involved in the species-specific reaggregation of dissociated cells of Microciona prolifera, was stereoselectively synthesized starting from L-fucose and 2-a