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Unusual Reduction of Benzofuroxans to Benzofurazans with the Participation of the Terminal Amino Group
AbstractThe possibility of spontaneous reduction of benzofuroxans to benzofurazans in course of time due to reactions with diamines was shown for the...
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Synthesis, Molecular, and Crystal Structure of 4,6-Dinitro-5,7-dichloro-2,1,3-oxadiazole-1-oxide
AbstractA new convenient method for the preparation of dichlorodinitro-2,1,3-oxadiazole-1-oxide (dichlorodinitrobenzofuroxan) has been developed....
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Solvent effect, quantification and correlation analysis of the nucleophilicities of cyclic secondary amines
Kinetics of the S N Ar reactions of four 7-L-4-nitrobenzofurazans 1a-d (L = Cl, OC 6 H 5 , OCH 3 , Im + , Cl − ) with three cyclic secondary amines 2a-c in...
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The implication of Mycobacterium tuberculosis-mediated metabolism of targeted xenobiotics
Drug metabolism is generally associated with liver enzymes. However, in the case of Mycobacterium tuberculosis ( Mtb ), the causative agent of...
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Benzofuroxans: their synthesis, properties, and biological activity
The review provides a brief historical background for the establishment of structure of benzofuroxanes. Methods for their synthesis are summarized,...
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2H-Benzimidazole N-oxides: synthesis, chemical properties, and biological activity
The review presents and summarizes comprehensive data starting from 2006 on the synthesis of mono- and di- N -oxides of 2 H -benzimidazoles and their...
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CO2-responsive Polymeric Fluorescent Sensor with Ultrafast Response
Abstract Response speed is one of the most important evaluation criteria for CO 2 sensors. In this work, we report an ultrafast CO 2 fluorescent sensor...
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Nitrobenzofuroxane derivatives as dual action HIV-1 inhibitors
Human immunodeficiency virus type 1 (HIV-1) causes one of the most dangerous diseases, HIV infection and AIDS. The search for new inhibitors of the...
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A fluorescent acrylamide-type monomer bearing an environment-sensitive methoxybenzocoumarin structure for the development of functional polymeric sensors
A new fluorescent acrylamide-type monomer bearing a hydrogen bonding- and polarity-sensitive benzocoumarin fluorophore was synthesized. The...
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Development of highly thermoresponsive fluorescent sensors consisting of plasmonic silver nanoprisms and poly(N-isopropylacrylamide)–fluorophore composites
We developed a new hybrid consisting of Ag nanoprisms, poly( N -isopropylacrylamide) (PNIPAm), and fluorophores via layer-by-layer assembly. The...
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Synthesis of 4(6)-aryloxy- and 4-arylthio-2,1,3-benzoxadiazoles
Reactions of 4,6-dibromo-2,1,3-benzoxadiazole with phenols or arenelthiols lead to 4-aryloxy-6-bromo-2,1,3-benzoxadiazoles or...
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Synthesis, structure, and antibacterial activity of aminobenzofuroxan and aminobenzofurazan
The amination of 4,6-dichloro-5,7-dinitrobenzofuroxan and 4,6-dichloro-5,7-dinitrobenzofurazan with dibenzylamine followed the aromatic nucleophilic...
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Synthesis and structure of Meisenheimer adducts in nucleophilic aromatic amination of 4,6-dinitrobenzofuroxan
Stable crystalline σ-complexes (Meisenheimer adducts) were isolated for the first time in the reactions of superelectrophilic 4,6-dinitrobenzofuroxan...
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Remarkable fluorescence enhancement of benzo[g]chromen-2-ones induced by hydrogen-bonding interactions with protic solvents
A coumarin analogue, 8-methoxy-4-methyl-2 H -benzo[ g ]chromen-2-one (MMBC), is almost non-fluorescent in non-polar media, whereas it exhibits...
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Study of 1,4-naphthoquinone as a new useful derivatization reagent for LC analysis of aliphatic thiols in dietary supplements and pharmaceuticals
The use of 1,4-naphthoquinone as an advantageous pre-column reagent for liquid chromatography analysis of aliphatic thiol compounds is proposed. The...
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Reaction of N-Alkyl-6(4)-bromo-2,1,3-benzoxadiazol-4(6)-amines with terminal alkynes
N -Alkyl-6(4)-bromo-2,1,3-benzoxadiazol-4(6)-amines reacted with terminal alkynes to give aminosubstituted 2,1,3-benzoxadiazoles containing acetylenic...
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4-R-7-Nitrobenzofurazans in [3+2] cycloaddition reactions with N-methylazomethine ylide
A number of new tetrahydroisoindole derivatives fused with the furazan ring were synthesized based on the 1,3-dipolar cycloaddition of N -methylazometh...
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Furazan-containing bromoarenes in the Suzuki-Miyaura reaction
The palladium-catalyzed cross-coupling reactions of 3-[bromo(het)aryl]furazans and bromobenzofurazans with arylboronic acids afford target biaryls in...
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Synthesis of 4(6)-amino-6(4)-halo-2,1,3-benzoxadiazoles
By reactions of 4-amino-2,6-dihalonitrosobenzenes with sodium azide and 4,6-dihalo-2,1,3-benzoxadiazoles with amines a group of 2,1,3-benzoxadiazole...
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Synthesis of Nitrobenzazoles
A great deal of information on the methods of synthesis of nitrated benzo analogs – indazoles, benzimidazoles, benzoxazoles, benzisoxazoles,...