Results 21 to 30 of about 1,013 (159)
2,3-Dimethyl-6-nitro-2H-indazole [PDF]
Acta Crystallographica Section E Structure Reports Online, 2009 In the mol-ecule of the title compound, C(9)H(9)N(3)O(2), the indazole ring system is almost planar [maximum deviation = 0.019 (3) Å for the C atom bearing the nitro group]. In the crystal structure, inter-molecular C-H⋯O inter-actions link the mol-ecules into centrosymmetric dimers, forming R(2) (2)(18) ring motifs.
Yan Chen, Zheng Fang, Ping Wei
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2-Allyl-7-nitro-2H-indazole [PDF]
Acta Crystallographica Section E Structure Reports Online, 2013 The asymmetric unit of the title compound, C10H9N3O2, contains two independent molecules linked by a C—H...N hydrogen bond. Each molecule has a similar conformation, being built up from fused five- and six-membered rings, each linked to an ally and nitro group, respectively.
Assoman Kouakou +4 more
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Chalcones as versatile synthons for the synthesis of 5- and 6-membered nitrogen heterocylces [PDF]
, 2014 Chalcones belong to the flavonoid family which constitutes one of the major classes of naturally occurring oxygen heterocyclic compounds. The alpha,beta-unsaturated carbonyl system of chalcones possesses two electrophilic reactive centers allowing them ...
Albuquerque, Hélio +3 more
core +1 more source
Sustainable Valorisation of Renewables through Dialkyl Carbonates and Isopropenyl Esters [PDF]
, 2023 This review showcases a thorough analysis of reactions and applications of the most widespread linear and alkylene organic carbonates (DACs) as dimethyl-, diethyl-, ethylene-, and propylene- carbonates (DMC, DEC, EC, and PC, respectively), and a ...
Fiorani, Giulia +2 more
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Angewandte Chemie, Volume 138, Issue 3, 16 January 2026.A multicatalytic strategy based on the simple combination of metal‐organic frameworks (MOFs) and organocatalysts is able to mediate challenging aerobic oxidation reactions. The use of earth‐abundant MOFs and commercially available (hydro)quinone co‐catalysts greatly simplify the generation of powerful multicatalytic systems, opening the door for the ...
Juan Camilo Arango‐Daza +5 more
wiley +2 more sources
Synthesis of Bioactive Nitrogen-Containing Heterocycles via Aryne Methodologies [PDF]
, 2012 The six chapters of this dissertation exemplify the application of aryne chemistry in medicinally-relevant, nitrogen-containing heterocycle synthesis. The arynes discussed in this dissertation are generated from Kobayashi\u27s aryne precursors that leads
Fang, Yuesi
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Schiff Base Complexes for Catalytic Application [PDF]
, 2022 Primary amines are combined with an aldehyde group to generate Schiff base compounds, which are called condensation imine products. This class of compounds has a general structure, R-C=NR\u27, where R and R\u27 represent alkyl/aryl/cyclohexyl ...
Ramakrishna, Dileep +2 more
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Synthesis and Herbicidal Activity of Phenylpyridines – A New Lead
CHIMIA, 2003 Novel phenylpyridines were synthesized based on molecular modeling oriented design by superposition of herbicidal phenyl-uracils, -indazoles, and diphenylethers.
Peter Schäfer +4 more
doaj +1 more source
New Visible Light-triggered Photocatalytic Trifluoromethylation Reactions of Carbon‐carbon Multiple Bonds and (Hetero)aromatic Compounds [PDF]
, 2020 Visible-light-photocatalyzed methods employed insynthetic transformations present attractive properties such asenvironmentally friendly, safety, availability and excellent functionalgroup tolerance.
Borsini F., Koike T., Pan S.
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Thio- and selenosemicarbazones as antiprotozoal agents against Trypanosoma cruzi and Trichomonas vaginalis [PDF]
, 2022 Herein, we report the preparation of a panel of Schiff bases analogues as antiprotozoal agents by modification of the stereoelectronic effects of the substituents on N-1 and N-4 and the nature of the chalcogen atom (S, Se). These compounds were evaluated
Escario, José Antonio +13 more
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