Search Results - "Kumar, Honnaiah Vijay"

Synthesis, antioxidant and antimicrobial activity of novel vanillin derived piperidin-4-one oxime esters: Preponderant role of the phenyl ester substituents on the piperidin-4-one oxime core by Harini, Salakatte Thammaiah, Kumar, Honnaiah Vijay, Rangaswamy, Javarappa, Naik, Nagaraja

“…The study has been achieved the efficient synthesis of vanillin derived piperidin-4-one oxime esters (5a–m) via four step reaction involved Mannich reaction of…”
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Synthesis of benzofuran based 1,3,5-substituted pyrazole derivatives: As a new class of potent antioxidants and antimicrobials-A novel accost to amend biocompatibility by Rangaswamy, Javarappa, Vijay Kumar, Honnaiah, Harini, Salakatte Thammaiah, Naik, Nagaraja

“…In search for a new antioxidant and antimicrobial agent with improved potency, we synthesized a series of benzofuran based 1,3,5-substituted pyrazole analogues…”
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Isolation and characterization of biofumigant from leaves of Lantana camara for control of stored grain insect pests by Rajashekar, Yallappa, Vijay Kumar, Honnaiah, Ravindra, Kothapalli V., Bakthavatsalam, Nandagopal

“…•Isolation and characterization of biofumigant molecule named as Coumaran from the leaves of a weed plant.•This molecule (Coumaran) is toxic to stored grain…”
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Functionalized 3-(benzofuran-2-yl)-5-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazole scaffolds: A new class of antimicrobials and antioxidants by Rangaswamy, Javarappa, Kumar, Honnaiah Vijay, Harini, Salakatte Thammaiah, Naik, Nagaraja

“…A new class of functionalized 3-(benzofuran-2-yl)-5-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazole scaffolds (4a–q) was synthesized by a four step reaction in good…”
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The reaction of aspirin with base by Chandrasekhar, Sosale, Kumar, Honnaiah Vijay

“…Deprotonation of aspirin leads to a mixture of mixed anhydride (II) and cyclic orthoacetate (III), as indicated by IR, UV and NMR. Aspirin anion(I) itself…”
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N′-Acylation of (3,2′)-indole dimers by Noland, Wayland E., Vijay Kumar, Honnaiah, Lu, Cheng, Brown, Christopher D., Wiley-Schaber, Eleni, Johansson, Alex, LaBelle, Edward V., O’Brian, Nicholas C., Jensen, Renee C., Tritch, Kenneth J.

“…[Display omitted] •Synthesis of N′-acylated (3,2′)-indole dimers.•Biologically active crotonoyl, sorboyl, and cinnamoyl amides.•Ketene-derived…”
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Synthesis of thiazole-based substituted piperidinone oximes: Profiling of antioxidant and antimicrobial activity by Harini, Salakatte Thammaiah, Kumar, Honnaiah Vijay, Rangaswamy, Javarappa, Naik, Nagaraja

“…The synthesis of novel thiazole-based piperidinone oximes and screening of their antioxidant and antimicrobial activity are described. The obtained results…”
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Fe-Catalyzed Domino Intramolecular Nucleophilic Substitution of 4‑Hydroxychromen-2-one and Pyran-2-one/Ring Opening of Activated Arene: An Easy Access to 2,3-Disubstituted Furo[3,2,‑c]coumarins and Furo[3,2,‑c]pyran-4-ones via Nonsymmetric Triarylmethanes by Noland, Wayland E, Kumar, Honnaiah Vijay, Sharma, Arjun, Wei, Binyuan, Girmachew, Selamawit

“…A one-pot synthesis of functionalized 2,3-disubstituted furo­[3,2,-c]­coumarins and furo­[3,2,-c]­pyran-4-ones under hydrated ferric sulfate catalysis was…”
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An Expeditious Coumarin Synthesis via a "Pseudocycloaddition" Between Salicylaldehydes and Ketene by Chandrasekhar, Sosale, Kumar, Honnaiah Vijay

“…A variety of salicylaldehydes effected tandem nucleophilic addition onto ketene, leading to corresponding coumarins in good yields under mild conditions. This…”
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5-Formylcytosine mediated DNA-peptide cross-link induces predominantly semi-targeted mutations in both Escherichia coli and human cells by Bacurio, Jan Henric T., Yawson, Priscilla, Thomforde, Jenna, Zhang, Qi, Kumar, Honnaiah Vijay, Den Hartog, Holly, Tretyakova, Natalia Y., Basu, Ashis K.

“…Histone proteins can become trapped on DNA in the presence of 5-formylcytosine (5fC) to form toxic DNA-protein conjugates. Their repair may involve proteolytic…”
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Hydrated ferric sulfate-catalyzed reactions of indole with aldehydes, ketones, cyclic ketones, and chromanones: Synthesis of bisindoles and trisindoles by Noland, Wayland E., Kumar, Honnaiah Vijay, Flick, Grant C., Aspros, Cole L., Yoon, Jong Hyeon, Wilt, Andre C., Dehkordi, Nasim, Thao, Sheng, Schneerer, Andrew K., Gao, Siming, Tritch, Kenneth J.

“…Hydrated ferric sulfate [Fe2(SO4)3·xH2O] has been found to be an efficient catalyst for condensation of bisindoles or trisindoles with aliphatic or aryl…”
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Diels–Alder/Ene Reactivities of 2‑(1′-Cycloalkenyl)thiophenes and 2‑(1′-Cycloalkenyl)benzo[b]thiophenes with N‑Phenylmaleimides: Role of Cycloalkene Ring Size on Benzothiophene and Dibenzothiophene Product Distributions by Noland, Wayland E, Kumar, Honnaiah Vijay, Reddi, Yernaidu, Cramer, Christopher J, Novikov, Alexei V, Kim, Hyejin, Zhu, Yumeng, Chin, Yoke Ching, Zhou, Yuqi, Radakovic, Predrag, Uprety, Anjola, Xie, Jun, Flick, Grant C

“…Scaffolds of thiophene and benzothiophene are the important class of bioactive compounds found abundant in nature. The Diels–Alder reactions of…”
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Diels-Alder reactions of fused 5-, 6- and 7-membered ring 2-vinylindoles: Synthesis of annulated tetrahydrocarbazoles by Noland, Wayland E., Herzig, Ryan J., Kumar, Honnaiah Vijay, Narina, Venkata Srinivasarao, Elkin, Pavel K., Valverde, Karen I., Kim, Briana L.

“…Scaffolds of tetrahydrocarbazoles are an important class of biologically active compounds found abundant in nature. In the present investigation,…”
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Synthesis of Novel Benzofuran-Gathered C-2,4,6-substituted Pyrimidine Derivatives Conjugated by Sulfonyl Chlorides: Orally Bioavailable, Selective, Effective Antioxidants and Antimicrobials Drug Candidates by Rangaswamy, Javarappa, Kumar, Honnaiah Vijay, Harini, Salakatte Thammaiah, Naik, Nagaraja

“…In the present study, we have made an effort to develop the novel synthetic antioxidants and antimicrobials with improved potency. The novel…”
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Synthesis of novel indole based scaffolds holding pyrazole ring as anti-inflammatory and antioxidant agents by Sharath, Vishwanath, Kumar, Honnaiah Vijay, Naik, Nagaraja

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Novel 2,6-bis(4-methoxyphenyl)-1-methylpiperidin-4-one oxime esters: synthesis and a new insight into their antioxidant and antimicrobial potential by Harini, Salakatte Thammaiah, Kumar, Honnaiah Vijay, Peethambar, Sannenahalli Krishnegowda, Rangaswamy, Javarappa, Naik, Nagaraja

“…A simple and efficient protocol for the synthesis of novel 2,6-bis(4-methoxyphenyl)-1-methylpiperidin-4-one oxime esters 4(a–q) is described. Initially, p…”
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