Ortho‐benzoquinones play a vital role as reactive intermediate having high electrophilic
character. Sterically crowded 1, 2‐benzoquinones and their derivatives exhibiting divergent …

(2-Hydroxyphenyl)-3-methyl-1, 2, 4-oxadiazole and its O-methyl and O-acyl derivatives, as
well as zinc (II) and copper (II) chelates, were synthesized. All these compounds showed …

Abstract Condensation of 2-methylquinolines with 4-pyridinecarboxaldehyde in acetic acid
anhydride has yielded 2-styryl-8-hydroxyquinoline along with its methyl and benzyl …

Bidentate heterocyclic ligand systems with an= N-(O-phenol) chelating fragment are widely
used in the synthesis of highly efficient organic [1, 2] and metalcomplex luminophors [3–5] …

The review (Part 1) deals with the synthesis of 2-pyridone methides and benzo-fused
analogs. Methides that are unsubstituted at the nitrogen atom are mainly synthesized from …

Di (tert-butyl)-2-(8-methanesulfonyloxyquinolin-2-yl)-1, 3-tropolone whose structure was
established by X-ray diffraction analysis and confirmed by 1 H and 13 C NMR, IR …

Density functional theory [DFT B3LYP/6-311++ G (d, p)] simulation has revealed stable
tautomers and conformers of polydentate ligand system based on 5, 7-di (tert-butyl)-2-(8 …

Organic phosphorus based on 2, 5-diaryl-1, 3, 4-oxadiazoles are widely used as optical
brighteners, activating additives to liquid and plastic scintillation detectors [1], heterocyclic …

8-Hydroxyquinoline and its derivatives are widely used in analytical chemistry [1] as well as
for the preparation of highly efficient photo-electroluminescent compounds [2–4] and highly …