One-pot
Síntese tricomponente one-pot de tiossemicarbazonas com catálise ácida
... As tiossemicarbazonas são de grande interesse químico e medicinal por conta das suas atividades quelantes e por servirem de intermediários para outros compostos relevantes. Sua obtenção, descrita na literatura, consiste ...
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Eosin Y Catalyzed Visible-light-promoted One –Pot Facile Synthesis of 1,3,4- Thiadiazole
... This synthetic pathway includes a superior visible light promoted and Eosin Y organophotoredox catalysed methodology, which is superior in comparison to all other alternative synthetic methods for 1,3,4-thiadiazoles. ...
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Pd-Catalyzed One-Pot Borylation/Intramolecular Asymmetric Arylation on α-Ketiminoamides: Innovative Approach to Chiral 3-Amino-2-oxindoles
... the product in only trace quantities (Table 1, entry 16). Re- garding the enantioselectivity, the best values were ob- tained using (R)-BINAP ligand (68% ee, Table 1, entry 1) and the phosphoramidite type ...
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Novel one-pot synthesis and sensitisation of new BiOCl-Bi2S3 nanostructures from DES medium displaying high photocatalytic activity
... by a one-pot approach is reported. The influence of the temperature, sulphur source, concentration of reactants and presence of water, on the morphological, structural and microstructural, optical and ...
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Síntese one-pot por combustão assistida por micro-ondas de catalisadores a base de Ni, Co e Fe para produção de H2 via reforma a seco do CH4
... como One-pot Synthesis (OPS) têm sido estudados e relatados na literatura ...método One-pot utiliza uma série de reagentes caros e demanda muito tempo e condições rigidamente controladas para ...
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Síntese de pirazolinas via reação one-pot irradiada por micro-ondas e avaliação da atividade inibitória frente à PtpA de Mycobacterium tuberculosis
... Síntese de pirazolinas via reação one-pot irradiada por micro-ondas e avaliação da atividade inibitória frente à PtpA.. de Mycobacterium tuberculosis.[r] ...
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Síntese one-pot de a-arilideno- ð-lactonas a partir de brometos alílicos funcionalizados : estudo das etapas reacionais e caracterização dos intermediários
... 69. Yempala, T.; Sriram, D.; Yogeeswari, P.; Kantavari, S. Molecular Hybridization of Bioactives: Synthesis and Antitubercular Evaluation of Novel Dibenzofuran Embodied Homoisoflavonoids via Baylis-Hillman Reaction; ...
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Poly(4-vinylpyridine) efficiently catalyzed one-pot four-component synthesis of pyrano[2,3-c]pyrazoles
... PVPy, is a cheap and commercially available. In comparison with other commercially available catalysts, poly(4-vinylpyridine) is safe, easy to handle and environmentally benign. In continuation of these researches, ...
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Efficient one-pot synthesis of 14-aryl-14H-dibenzo [a,j]xanthene derivatives promoted by niobium pentachloride
... Hunnur, R. K., Sunilkumar, B., Kumar, P. S., Srinivasulu, N., Udupi, R. H., & Bindu, V. H. (2008). Silica sulfuric acid: A simple, efficient and reusable heterogeneous catalyst for the one-pot synthesis ...
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One-Pot Synthesis of Novel Highly Functionalized Furan-Based Polyphenolics
... The results seem to indicate that the reaction is favored by the use of less substituted 1,3-dicarbonyl reagents, which permits access to the corresponding furans 3a, 3e, and 3f in good yields (60–76%). The use of ...
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One pot synthesis of 2-hydroxy pyrrolidine derivatives
... through one pot straight forward approach and may also serve as a potential key intermediate for cyclic enamine synthesis bearing heterocyclic ring systems as well as for easy construction of 2-hydroxy ...
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Síntese one-pot de -lactonas e 2-piridinonas a partir de brometos alílicos funcionalizados em meio aquoso
... a one-pot, two-step process using 2-propanol as the solvent: initially, the alkylated products reacted with butylamine or benzylamine (with or without acetic acid as catalyst) in a microwave reactor to form ...
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4-Aryl-4H-Naphthopyrans Derivatives: One-pot Synthesis, Evaluation of Src Kinase Inhibitory and Anti-proliferative Activities
... c-Src kinase is one of the most widely studied member of the Src (acronym of sarcoma) family of non-receptor protein tyrosine kinases (PTKs). c-Src acts as a critical component in a number of signaling pathways ...
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One-pot enzymatic resolutionseparation of enantiomers using green solvents
... It’s one of the most successful and diverse sectors of manufacturing industry in most regions of the world, with an enormous range of products that make an invaluable contribution to the quality of our ...
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A facile one-pot synthesis of 3-(1-Benzyl-2-phenyl-1H-imidazol-4-yl)-4-hydroxy-6-methyl-2H-pyran-2-one derivatives via multi-component approach
... Multi Component Reactions (MCRs) are well known to be selective, efficient, and easy to perform requiring readily available starting materials 1 . Multi component reactions involve sequential transformations between ...
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Síntese de 4-cloro-1-hidroxinaftaleno-2-oxazolinas a partir do ácido 1-hidroxi-2-naftóico: ciclização e halogenação one-pot empregando cloreto de tionila
... Anéis 2-oxazolínicos estão presentes em diversos compostos que possuem aplicações como: grupos protetores de ácidos carboxílicos; aditivos para gasolina; filmes protetores; materiais fot[r] ...
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Simple one pot preparation of chemical hydrogels from cellulose dissolved in cold LiOH/urea
... From a mechanistic point of view, the FTIR and Raman data support the hydrogel formation via a Michael addition-based process [78]. In Figure 6, a hypothetic reaction scheme of the MBA-cellulose cross-linking reaction is ...
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Investigação da dupla ação catalítica de nanomateriais na otimização da síntese da essência de framboesa via reação one-pot
... Um dos maiores êxitos alcançados pela ciência é a capacidade de produzir sinteticamente moléculas de ocorrência natural. Nesse contexto, a Reosmina, uma molécula de baixa abundância natural encontrada majoritariamente na ...
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Calcogenação one pot de 1,3,4-oxadiazóis com iodoarenos e Se elementar catalisada por CuO suportado em matriz sólida
... Esta classe de moléculas vem recebendo uma grande notoriedade devido às diversas áreas em que seus compostos são utilizados, desde síntese orgânica, como em reações de ciclo [r] ...
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One-pot intercalation strategy for the encapsulation of a CO-releasing organometallic molecule in a layered double hydroxide
... The filled circles are the normal assays in which the CORM(A), Mb and dithionite were added simultaneously at the start of the assay. Open circles show the results for the addition of M[r] ...
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