Transition metal complexes with Schiff-base ligands: 4-aminoantipyrine based derivatives–a review

N Raman, S Johnson Raja… - Journal of Coordination …, 2009 - Taylor & Francis
The survey highlights structural properties and biological studies of transition metal
complexes derived from 4-aminoantipyrine. The most important results of extensive studies …

Synthesis of pyrazolines by the reactions ofα,β-enones with diazomethane and hydrazines

A Lévai - Chemistry of Heterocyclic Compounds, 1997 - Springer
The first representatives of pyrazolines were synthesized in the last century. These nitrogen-
containing heterocyclic compounds became important in the development of different …

Synthesis and antimicrobial studies on novel chloro-fluorine containing hydroxy pyrazolines

MS Karthikeyan, BS Holla, NS Kumari - European journal of medicinal …, 2007 - Elsevier
A series of chloro-fluorine containing chalcones (3) were prepared by Claisen–Schmidt
condensation. Chalcone dibromides (4) were obtained by the bromination of chalcones at …

Antifungal and antimycobacterial activity of 1-(3, 5-diaryl-4, 5-dihydro-1H-pyrazol-4-yl)-1H-imidazole derivatives

D Zampieri, MG Mamolo, E Laurini, G Scialino… - Bioorganic & medicinal …, 2008 - Elsevier
1-(3, 5-Diaryl-4, 5-dihydro-1H-pyrazol-4-yl)-1H-imidazole derivatives were synthesized and
tested for their in vitro antifungal and antimycobacterial activities. These imidazole …

Synthesis and antimycobacterial activity of 5-aryl-1-isonicotinoyl-3-(pyridin-2-yl)-4, 5-dihydro-1H-pyrazole derivatives

MG Mamolo, D Zampieri, V Falagiani, L Vio, E Banfi - Il Farmaco, 2001 - Elsevier
5-Aryl-1-isonicotinoyl-3-(pyridin-2-yl)-4, 5-dihydro-1H-pyrazole derivatives were synthesized
and tested for their in vitro antimycobacterial activity. The compounds showed an interesting …

Cycloadditions and condensations as essential tools in spiropyrazoline synthesis

S Dadiboyena - European Journal of Medicinal Chemistry, 2013 - Elsevier
Heterocycles with potential bioactive properties are of greater interest to researchers
engaged in the areas of natural product synthesis and heterocyclic methodology. Several …

Two-step synthesis of β-alkyl chalcones and their use in the synthesis of 3, 5-diaryl-5-alkyl-4, 5-dihydropyrazoles

CD Cox, MJ Breslin, BJ Mariano - Tetrahedron letters, 2004 - Elsevier
We report a simple and efficient two-step synthesis of variously substituted β-alkyl chalcones
() from the corresponding Weinreb amide and a terminal alkyne, and that these chalcones …

Synthesis of 3‐aryl‐5‐styryl‐2‐pyrazolines by the reaction of (E,E)‐cinnamylideneacetophenones with hydrazines and their oxidation into pyrazoles

A LÉvai, T Patonay, AMS Silva… - Journal of …, 2002 - Wiley Online Library
Abstract New 3‐aryl‐5‐styryl‐2‐pyrazolines have been synthesized by the reaction of (E, E)‐
cinnamylideneace‐tophenones with hydrazines. These 2‐pyrazolines have also been …

A review article on synthesis of different types of bioactive spiropyrazole derivatives

TA Farghaly, SA Al-Hussain, MEA Zaki… - Polycyclic Aromatic …, 2023 - Taylor & Francis
Pyrazole category with all derivatives have well-known with biological and industrial
applications. Pyrazole combined with other cycle (aliphatic or heterocycles) through one …

Parallel solution phase synthesis of N-substituted 2-pyrazoline libraries

U Bauer, BJ Egner, I Nilsson, M Berghult - Tetrahedron Letters, 2000 - Elsevier
The value of α, β-unsaturated ketones (chalcones) as templates for the combinatorial
assembly of N-substituted 2-pyrazolines has been explored. Based on a set of 80 …