In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Quality Control of Isoxazole, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 288-14-2, name is Isoxazole. In an article，Which mentioned a new discovery about 288-14-2
Twelve novel isoxazoles containing (1-bi(4-fluorophenyl)methyl)piperazine unit were prepared in two steps starting from propargyl bromide, (1-bi(4-fluorophenyl)methyl)piperazine and hydroxymoyl chlorides with moderate yield (21%~76%). The structures of the new compounds were characterized by IR, MS, 1H NMR, 13C NMR and elemental analysis, and their in vitro anti-tumor activity was screened. The bioactive assay for the newly prepared compounds manifested that ten newly isoxazole derivatives exhibited good to excellent inhibitory activity against CDC25B in 20 mug/mL with inhibition of 64.15%~95.87% and IC50 of 35.62~13.67 mug/mL. Four isoxazoles exhibited good to excellent inhibitory activity against Leukemia cell HL-60 in 40 mumol/L (IC50:36.51~15.25 mug/mL), 2-(2-fluorophenyl)-5-(1-(bi-(4-fluorophenyl)methyl)-piperazine)methylisoxazole (5g) and 2-(4-fluorophenyl)-5-(1-(bi-(4-fluorophenyl)methyl)piperazine)methylisoxazole (5h) exhibited good to excellent inhibitory activity against Lung cancer cell A-549 (IC50 value up to 21.09 and 35.36 mug/mL, respectively).
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 288-14-2, help many people in the next few years.Quality Control of Isoxazole
Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem