5-Amino-Substituted Derivatives of 4-Nitrofurazane: Synthesis, Structure, and Biological Activity

© 2018, Pleiades Publishing, Ltd. New amination reactions of 5-chloro-4-nitrobenzofurazane with different amines were studied. The reactions of 5-chloro-4-nitrobenzofurazane with 2,4,6-trichloro-, para-acetyl-, and para-carboxyethylanilines gave the products of aromatic nucleophilic substitution of the chlorine substituent in the nitrogenous heterocycle, the composition and structure of which was established by chemical, physical, and physicochemical methods and X-ray diffraction analysis. The thermal stability was studied by synchronous thermogravimetry and differential scanning calorimetry (TG‒DSC). The synthesized compounds showed a high antibacterial and antimycotic activity against human and animal pathogenic microflora

Reaction of N-diisopropoxyphosphorylthiobenzamide (HL) with the Co II cation: The crystal structure of CoL2 and CoL 2·2HL complexes

The title complexes CoL2 and CoL2·2HL were synthesised and characterised using IR spectroscopy, mass spectrometry and single-crystal X-ray diffraction analysis

Dynamic behaviour of the complex [Ni{PhC(S)NP(O)(OPri)2-O,S}2-{PhC(S)NHP(O)(OPri)2-O}2] in deuterotrichloromethane

The title complex has been studied by 1H and 31P NMR spectroscopy and found to undergo reversible dissociation of its neutral ligands and interconversion of its neutral and anionic ligands; the kinetic parameters of these processes and the crystal structure of the complex were determined; a new ligand exchange mechanism with unusual high spin-low spin transition during the ligand dissociation was suggested. © 2008

Coordination diversity of N-phosphoryl-N′-phenylthiourea (LH) towards CoII, NiII and PdII cations: Crystal structure of ML2-N,S and ML2-O,S chelates

Thiourea, PhNHC(S)NHP(O)(OPri)2 (LH) chelates of CoII, NiII, and PdII ions have been obtained and investigated by single-crystal X-ray diffraction, UV, IR, NMR spectroscopy, and EI mass-spectrometry. The unusual 1,3-N,S-coordination via sulfur and NP(O) nitrogen atoms has been found in the trans-square-planar NiL2 and PdL2 complexes, whereas the 1,5-O,S-coordination is realized in the tetrahedral CoL2 complex. DFT calculations have revealed significant stabilization of the 1,3-N,S-structures due to stronger crystal field and the NH-O{double bond, long}P hydrogen bonds. © 2006 Elsevier B.V. All rights reserved

5-Amino-Substituted Derivatives of 4-Nitrofurazane: Synthesis, Structure, and Biological Activity

© 2018, Pleiades Publishing, Ltd. New amination reactions of 5-chloro-4-nitrobenzofurazane with different amines were studied. The reactions of 5-chloro-4-nitrobenzofurazane with 2,4,6-trichloro-, para-acetyl-, and para-carboxyethylanilines gave the products of aromatic nucleophilic substitution of the chlorine substituent in the nitrogenous heterocycle, the composition and structure of which was established by chemical, physical, and physicochemical methods and X-ray diffraction analysis. The thermal stability was studied by synchronous thermogravimetry and differential scanning calorimetry (TG‒DSC). The synthesized compounds showed a high antibacterial and antimycotic activity against human and animal pathogenic microflora

Reaction of N-diisopropoxyphosphorylthiobenzamide (HL) with the Co II cation: The crystal structure of CoL2 and CoL 2·2HL complexes

The title complexes CoL2 and CoL2·2HL were synthesised and characterised using IR spectroscopy, mass spectrometry and single-crystal X-ray diffraction analysis

Reaction of N-diisopropoxyphosphorylthiobenzamide (HL) with the Co II cation: The crystal structure of CoL2 and CoL 2·2HL complexes

The title complexes CoL2 and CoL2·2HL were synthesised and characterised using IR spectroscopy, mass spectrometry and single-crystal X-ray diffraction analysis

Reaction of N-diisopropoxyphosphorylthiobenzamide (HL) with the Co II cation: The crystal structure of CoL2 and CoL 2·2HL complexes

The title complexes CoL2 and CoL2·2HL were synthesised and characterised using IR spectroscopy, mass spectrometry and single-crystal X-ray diffraction analysis

Dynamic behaviour of the complex [Ni{PhC(S)NP(O)(OPri)2-O,S}2-{PhC(S)NHP(O)(OPri)2-O}2] in deuterotrichloromethane

The title complex has been studied by 1H and 31P NMR spectroscopy and found to undergo reversible dissociation of its neutral ligands and interconversion of its neutral and anionic ligands; the kinetic parameters of these processes and the crystal structure of the complex were determined; a new ligand exchange mechanism with unusual high spin-low spin transition during the ligand dissociation was suggested. © 2008

Dynamic behaviour of the complex [Ni{PhC(S)NP(O)(OPri)2-O,S}2-{PhC(S)NHP(O)(OPri)2-O}2] in deuterotrichloromethane

The title complex has been studied by 1H and 31P NMR spectroscopy and found to undergo reversible dissociation of its neutral ligands and interconversion of its neutral and anionic ligands; the kinetic parameters of these processes and the crystal structure of the complex were determined; a new ligand exchange mechanism with unusual high spin-low spin transition during the ligand dissociation was suggested. © 2008