Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 168828-90-8, Name is (S)-5-(Aminomethyl)-3-(3-fluoro-4-morpholinophenyl)oxazolidin-2-one, SMILES is O=C1O[C@@H](CN)CN1C2=CC=C(N3CCOCC3)C(F)=C2, in an article , author is Luo Zhigang, once mentioned of 168828-90-8, Formula: C14H18FN3O3.
Synthesis and Phototoxic Activity of Isoxazole and Pyrazoline Derivatives Containing alpha-Terthiophene
alpha-Terthiophene is a class of pesticides with predominant photoactivity. In this work, using terthiophene as the lead compound, the important mediator, 2-carbonyl terthiophene, was synthesized by the carbonylation. After reaction with substituted phenylethanone, terthiophene-substituted alpha,beta-unsaturated ketones were synthesized. Followed by the ring closure reaction with hydroxylamine hydrochloride and hydrazine, a series of 3,5-diaryl isoxazole and 3,5-diasyl pyrazoline drivatives containing alpha-terthiophene were synthesized, respectively. Their structures were confirmed by H-1 NMR, IR and elemental analysis. The biological activity assay indicated that most of the synthesized compounds exhibit strong photoactivities. In addition, the photoactivities of isoxazole derivatives were much better than those of pyrazoline derivatives, where the photoactivity difference of compound 3b was 64.06 before and after illumination, especially. However, some of the pyrazoline derivatives showed higher activities of killing cells, where the activity of the compound 4d was as high as 83.9%.
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Reference:
Isoxazole – Wikipedia,
,Isoxazole | C3H3NO – PubChem