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Catalyst Free One-Pot Synthesis of Chromeno Quinolines and Their Antibacterial Activity
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作者 Sruthi Vasamsetty Sunitha Medidi +5 位作者 Satheesh Ampolu Ravi Kumar Majji Mastan Rao Kotupalli Chikurumilli China Satyanarayana Annapurna Nowduri paul douglas sanasi 《Green and Sustainable Chemistry》 2017年第2期141-151,共11页
An efficient greener one pot synthesis of dimethyl-dihydro-7H-chromeno[3, 2-h]quinolin-8(9H)-one derivatives has been synthesized through cyclization of aromatic aldehyde, dimidone and 8-hydroxy-quinoline through one-... An efficient greener one pot synthesis of dimethyl-dihydro-7H-chromeno[3, 2-h]quinolin-8(9H)-one derivatives has been synthesized through cyclization of aromatic aldehyde, dimidone and 8-hydroxy-quinoline through one-pot condensation method is described. The synthesized compounds are screened for further biological activities against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis, Bacillus using cut plate method and disc diffusion method. 展开更多
关键词 Dimethyl-Dihydro-7H-Chromeno[3 2-h]Quinolin-8(9H)-One Derivatives Syn-thesis Biological Activity and ONE-POT CONDENSATION
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Visible Light Photocatalytic Degradation of Methylene Blue and Malachite Green Dyes with CuWO<sub>4</sub>-GO Nano Composite
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作者 Sunitha Medidi Sowmyasree Markapurapu +4 位作者 Mastan Rao Kotupalli Rama Krishna Reddy Chinnam Venkata Mahalakshmi Susarla Hima Bindu Gandham paul douglas sanasi 《Modern Research in Catalysis》 2018年第2期17-34,共18页
Copper Tungstate-Graphene Oxide nano composites have been successfully applied as excellent catalysts for the photocatalytic degradation with Methylene blue and Malachite green dyes under visible light irradiation. A ... Copper Tungstate-Graphene Oxide nano composites have been successfully applied as excellent catalysts for the photocatalytic degradation with Methylene blue and Malachite green dyes under visible light irradiation. A facile?solid state metathesis synthesis of copper tungstate (CuWO4) followed by ball milling and subsequent preparation of copper tungstate-graphene oxide?(CuWO4-GO) nano composite using a colloidal blending process and its application as a visible light photocatalyst for the degradation of Malachite green and Methylene blue dyes. The morphology and composition of copper tungstate (CuWO4) nano composite have been characterized using X-Ray Diffraction (XRD), UV-Visible Diffuse Reflectance Spectra (UV-DRS), Raman Spectra, Field Emission Scanning Electron Microscopy (FESEM)-EDS and UV Visible Spectroscopy. It shows a band gap value of 2.13 eV, an increase in range and intensity of light absorption and the reduction of electron-hole pair recombination in CuWO4 with the introducing of GO on to it. 展开更多
关键词 Copper TUNGSTATE Graphene Oxide METATHESIS METHYLENE Blue MALACHITE Green Visible Light Photodegradation
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