)-Diones (HHQs)
Synthesis and Antibacterial Efficacy of 1 (2', 4' Dihydroxyphenyl) 3 Aryl Propane 1, 3 Diones
... 94 (s, C-2, -CH=), 115.4 (s, C-1'), 163.2 (s, C-2'), 104.5 (s, C-3'), 165.7 (s, C-4'), 109 (s, C-5'), 132.7 (s, C-6'), 130.4 (s, C-1"), 126.4 (s, C-2", C-6"), 128.7 (s, C-3", C-5"), 128 (s, C-4"); ...
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Synthesis of benzo[f]chromeno[3,4-b]quinoline-6-ones and chromeno[3,4-b]quinoline-6,11-diones via one-pot three-component tandem Knoevenagel–Michael reaction catalyzed by n-Tetrabutylammonium tribromide
... The synthesis of benzo[f]chromeno[3,4-b]quinoline-6-ones has been achieved via one-pot three-component reaction from substituted aromatic aldehydes, 3-aminocoumarins, and 2-naphthol in n-butanol using 10 mol% of ...
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Synthesis of novel 2,5 diarylselenophenes from selenation of 1,4 diarylbutane 1,4 diones or methanol/arylacetylenes
... handled in air. 12 WR has been applied as a selenation agent for the synthesis of a wide range of selenoamides and selenoaldehydes by simple oxygen/selenium exchange or reaction with ArCN followed by hydrolysis as well ...
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A novel and environmentally benign synthesis of 1,3 disubstituted (1H,3H) pyrimidine 2,4 diones
... 1-Aryl pyrimidine-2, 4-diones have been synthesized from substituted ureidopropanoic acids or 1-acryloyl-3- arylureas [12]. 6-methyl-1, 3-oxazine-2, 4-(1H, 3H)-dione when treated with an excess of arylamines was ...
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Synthesis and spectroscopic study of new substitute d phosphoramidates and 1,3,2 diazaphospholidine 2,5 diones
... In summary, we have presented a new approach to the synthesis of new heterocyclic organophosphorus compounds, 1,3,2-diazaphospholidine-2,5-diones and phosphoramidates with good chemical yield. This synthesis has ...
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Synthesis and Preliminary Antibacterial Activities of New 2, 3-Disubstituted-1, 3-Oxazepane-4, 7-Diones of Benzothiazole
... The (2+5) cycloadditions of imines 3a-g with succinic anhydride using microwave irradiation in dry benzene afforded the seven-membered 1, 3-oxazepane-4, 7-diones derivatives of benzothiazole 4a-g, respectively in ...
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Synthesis and Electrochemistry Evaluation of Multivalent o- Aminobenzamides and Quinazoline-2,4-diones.
... The antiepileptic drugs, valproic acid, hydantoins, benzodiazepines and quinazoline, are the more extended useful drugs. In the synthesis of quinazolines and related compounds our group work we have had a broad ...
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Synthesis, Characterization and evaluation of Antibacterial Activity of some 3 Substitutedphenylquinazoline 2,4 diones
... In the present study a series of 3-substitutedphenylquinazoline-2,4-diones 1(a-m) have been synthesized from isatoic anhydride with substituted aromatic amines. The structure of these compounds has been ...
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Solvent Free Synthesis of 5 Alkenyl 2,2 butylidene 1, 3 dioxane 4,6 diones under Ultrasonic Irradiation with o Phthalimide N Sulfonic Acid as Catalyst
... showed high catalytic activity in the synthesis of 5-al- kenyl-2,2-butylidene-1,3-dioxane-4,6-diones synthesized by the Knoevenagel condensation reaction of aromatic aldehydes with ...
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SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL STUDIES OF 3 SUBSTITUTED SCHIFF BASES OF QUINAZOLINE2,4 DIONES
... ABSTRACT: Objective: 3-Substituted Schiff bases of Quinazolne-2,4- diones belongs to the N-containing heterocyclic compounds. The aim of the present study is to synthesis and characterization of ten novel ...
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Cu(II)-Schiff base/SBA-15 as an efficient catalyst for synthesis of decahydroacridine-1,8-diones
... Herein, we report a fast synthesis of 1,4-dihydropyridines, decahydroacridine-1,8-diones by one-pot multi-component reaction of 1,3- cyclohexanedione or dimidone, arylaldehydes, and ammonium acetate under ...
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Synthesis, Characterization and Antimicrobial study of piperidine 2,6 diones derivatives
... The piperidine ring is a structural feature of many alkaloids and drug [1] candidates and there were thousands of piperidine compounds mentioned in clinical and preclinical studies[2]. The piperidine ring system is one ...
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Catalyst Free, Solvent Mediated, Facile and Efficient One-pot Multicomponent Synthesis of Acridin-1,8-diones
... In conclusion, we have herein, devised a simple, efficient, rapid and economical approach for the synthesis of a series of acridin-1,8-diones by a one-pot four-component reaction of aromatic/hetero-aromatic ...
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THIAZOLIDINE-2,4-DIONES: AN UPDATE REVIEW OF ANTIDIABETIC AGENTS
... Diabetes Information Clearinghouse & World Health Organization shows above 90% of the diabetic population fall under type 2 diabetes mellitus category. The treatment generally prescribed for type 2 diabetes mellitus ...
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An Efficient Approach for the Synthesis of Pyrazolo[1,2-a][1,2,4]Triazole-1,3-Diones Using an Electrochemical Cell
... A mild and efficient method was applied for the one-pot three-component synthesis of pyrazolo[1,2-a][1,2,4]triazole-1,3-diones from the condensation between arylaldehydes, malononitrile and 4-phenylurazole using ...
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Zirconium Oxide Nanoparticles as an Efficient Catalyst for Three-Component Synthesis of Pyrazolo[1,2-A][1,2,4]Triazole-1,3-Diones Derivatives
... We have developed a simple, efficient, one-pot and green protocol for the synthesis of pyrazolo[1,2-a][1,2,4]triazole-1,3-diones derivatives using nano-ZrO 2 as a reusable heterogeneous catalyst under solvent-free ...
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SYNTHESIS, MOLECULAR DOCKING STUDIES AND ANTIMICROBIAL ACTIVITY OF MANNICH BASES OF THIAZOLIDINE-2,4-DIONES
... Molecular docking studies were performed using various modules of Schrodinger using XP Glide. The enzyme was prepared for docking studies involves i) ligand molecule was remov[r] ...
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Search of protein kinase CK2 inhibitors based on purine-2,6-diones derivatives
... The virtual screening was performed using ATP-binding site of enzyme as the target and the collection of 1943 purine-2,6-dione derivatives.. After docking calculations, the best-ranke[r] ...
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SYNTHESIS OF NOVEL STEROIDAL N SUBSTITUTED PYRIMIDINE 2, 4 DIONES: A NEW ENTRY TO STEROIDAL AZAHETEROCYCLES
... Imidates derived from 2, 4-dichloropyrimidine derivatives with cholesterol, underwent Chapman rearrangement under conventional as well as microwave irradiation to afford corresponding st[r] ...
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RENAL HISTOLOGY DURING TREATMENT WITH OXAZOLIDINE-DIONES (TRIMETHADIONE, ETHADIONE, AND PARAMETHADIONE)
... group have developed a nephrotic syn- drome.1’ There are very good reasons to believe that tile appearance of the syndrome is not coincidental with but actually is a complication to the [r] ...
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