Product Details of 76-60-8. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 3,3-Bis(3,5-dibromo-4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, is researched, Molecular C21H14Br4O5S, CAS is 76-60-8, about One-step fabrication of Fe2O3/Mn2O3 nanocomposite for rapid photodegradation of organic dyes at neutral pH. Author is Ghaffari, Yasaman; Gupta, Nishesh Kumar; Bae, Jiyeol; Kim, Kwang Soo.
In this study, a novel coral-like Fe2O3/Mn2O3 nanocomposite (FMNC) was synthesized by a one-step surfactant-mediated co-precipitation method. The application of this material was demonstrated for the degradation of organic dyes. The crystallog. anal. of FMNC confirmed the presence of α-Fe2O3 and α-Mn2O3 with no impurity of MnFe2O4. The photocatalyst showed strong absorbance in the UV and Visible range with a low bandgap energy of 1.11 eV. In the optimized exptl. conditions (0.5 g L-1 photocatalyst, 10 mg L-1 MB concentration, and 5 mmol L-1 H2O2), the FMNC photocatalyst showed 80-97% degradation of organic dyes within 75 s using low power UV-C irradiation Moreover, scavenger studies confirmed the involvement of ·OH radicals and holes as the main active species responsible for the dye degradation process. The photocatalytic degradation process was insignificantly affected by the presence of inorganic anions. The photocatalyst showed a ∼ 5% loss of performance after seven photocatalytic cycles. This study concluded that UV/H2O2/FMNC system is a fast, efficient, and economical approach for remediation of dye-contaminated wastewater.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles