One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, HPLC of Formula: C8F4O3, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 652-12-0, Name is Tetrafluorophthalic anhydride, molecular formula is C8F4O3
Parallel synthesis and biological activity of a new class of high affinity and selective delta-opioid ligand
A considerable number of research papers describing the synthesis and testing of the delta opioid receptor (DOR) ligands, SNC-80 and TAN-67, and analogues of these two compounds, have been published in recent years. However, there have been few reports of the discovery of completely new structural classes of selective DOR ligand. By optimising a hit compound identified by high throughput screening, a new series of tetrahydroisoquinoline sulphonamide-based delta opioid ligands was discovered. The main challenge in this series was to simultaneously improve both affinity and physicochemical properties, notably aqueous solubility. The most active ligand had an affinity (IC50) of 6 nM for the cloned human DOR, representing a 15-fold improvement relative to the original hit 1 (IC50 98 nM). Compounds from this new series show good selectivity for the DOR over mu and kappa opioid receptors. However the most active and selective compounds had poor aqueous solubility. Improved aqueous solubility was obtained by replacing the phthalimide group in 1 by basic groups, allowing the synthesis of salt forms. A series of compounds with improved affinity and solubility relative to 1 was identified and these compounds showed activity in an in vivo model of antinociception, the formalin paw test. In the case of compound 19, this analgesic activity was shown to be mediated primarily via a DOR mechanism. The most active compound in vivo, 46, showed superior potency in this test compared to the reference DOR ligand, TAN-67 and similar potency to morphine (68% and 58% inhibition in Phases 1 and 2, respectively, at a dose of 10 mmol/kg i.v.).
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. HPLC of Formula: C8F4O3, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 652-12-0, in my other articles.
Reference£º
Benzofuran – Wikipedia,
Benzofuran | C8H3705O – PubChem