- Synthesis of dioxin-like monofluorinated PCBs: for the use as internal standards for PCB analysis
Monofluorinated polychlorinated biphenyls (fluoro-PCBs) have been prepared using the Suzuki-coupling, for use as analytical standards for PCB measurements. Seven of these fluoro-PCBs are analogues of the dioxin-like PCBs, listed by the WHO as the most toxic PCB congeners. Four highly chlorinated fluoro-PCBs have been prepared by Suzuki-coupling of 2,3,5,6-tetrachloro-bromoaniline with various substituted arylboronic acids. The resulting amino-fluoro-PCBs are chlorinated using the Sandmeyer reaction or deaminated to yield tetra-, penta- and hexa-chlorinated fluoro-PCBs. The fluoro-PCBs elute just before the corresponding PCBs in the GC chromatogram, which strongly indicates their potential as analytical standards.
- Sott, Richard,Hawner, Christine,Johansen, Jon E.
p. 4135 - 4142
(2008/09/20)
- ALPHA-D-GALACTOSIDE INHIBITORS OF GALECTINS
The present invention relates to a compound of the general formula (1), wherein the pyranose ring is alpha-D-galactopyranose, A is selected from (2), and (3). The compound of formula (1) is suitable for use in a method for treating a disorder relating to the binding of a galectin, such as galectin-3 to a ligand in a mammal, such as a human. Furthermore, the present invention concerns a method for treatment of a disorder relating to the binding of a galectin, such as galectin-3 to a ligand in a mammal, such as a human.
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Page/Page column 72; 73
(2018/02/28)