Recent developments in synthetic chemistry and biological activities of pyrazole derivatives

M Faisal, A Saeed, S Hussain, P Dar… - Journal of Chemical …, 2019 - Springer
Pyrazole, a five-membered heterocycle containing two nitrogen atoms, is extensively found
as a core framework in a huge library of heterocyclic compounds that envelops promising …

A decennary update on applications of metal nanoparticles (MNPs) in the synthesis of nitrogen-and oxygen-containing heterocyclic scaffolds

TM Dhameliya, HA Donga, PV Vaghela, BG Panchal… - RSC …, 2020 - pubs.rsc.org
Heterocycles have been found to be of much importance as several nitrogen-and oxygen-
containing heterocycle compounds exist amongst the various USFDA-approved drugs …

Silver nanoparticles-decorated Preyssler functionalized cellulose biocomposite as a novel and efficient catalyst for the synthesis of 2-amino-4H-pyrans and …

S Saneinezhad, L Mohammadi, V Zadsirjan… - Scientific reports, 2020 - nature.com
Silver nanoparticles-decorated Preyssler functionalized cellulose biocomposite (PC/AgNPs)
was prepared and fully characterized by FTIR, UV–vis, SEM, and TEM techniques. The …

Meglumine promoted one-pot, four-component synthesis of pyranopyrazole derivatives

RY Guo, ZM An, LP Mo, ST Yang, HX Liu, SX Wang… - Tetrahedron, 2013 - Elsevier
Meglumine, a bio-based chemical, was demonstrated to be a highly efficient and reusable
catalyst for the synthesis of a series of pyranopyrazole derivatives via a one-pot, four …

A review on the recent multicomponent synthesis of pyranopyrazoles

M Mamaghani, R Hossein Nia - Polycyclic Aromatic Compounds, 2021 - Taylor & Francis
Due to biological and medicinal properties of pyranopyrazoles, synthesis of these bioactive
heterocycles has attracted the interest of medicinal and organic chemists. This review …

Progress of the synthesis of condensed pyrazole derivatives (from 2010 to mid-2013)

M Li, BX Zhao - European Journal of Medicinal Chemistry, 2014 - Elsevier
Condensed pyrazole derivatives are important heterocyclic compounds due to their
excellent biological activities and have been widely applied in pharmaceutical and …

Facile and Chemically Sustainable One‐Pot Synthesis of a Wide Array of Fused O‐ and N‐Heterocycles Catalyzed by Trisodium Citrate Dihydrate under Ambient …

G Brahmachari, B Banerjee - Asian Journal of Organic …, 2016 - Wiley Online Library
A simple, straightforward, and highly efficient multicomponent one‐pot synthesis of
pharmaceutically interesting diverse functionalized O‐and N‐heterocyclic scaffolds, such as …

Fruit juice of Citrus limon as a biodegradable and reusable catalyst for facile, eco-friendly and green synthesis of 3,4-disubstituted isoxazol-5(4H)-ones and dihydropyrano[2,3 …

RH Vekariya, KD Patel, HD Patel - Research on Chemical Intermediates, 2016 - Springer
Fruit juice of Citrus limon (lemon juice) has been utilized as a natural and renewable catalyst
for the green and environmentally friendly preparation of 3, 4-disubstituted isoxazol-5 (4 H) …

Synthesis and pharmacological properties of polysubstituted 2-amino-4H-pyran-3-carbonitrile derivatives

Z Tashrifi, M Mohammadi-Khanaposhtani… - Molecular Diversity, 2020 - Springer
Amino-3-cyano-4 H-chromenes are structural core motifs that received increasing attention
in the last years due to their interesting potential pharmacological properties. In this review …

Novel iron doped calcium oxalates as promising heterogeneous catalysts for one-pot multi-component synthesis of pyranopyrazoles

KK Gangu, S Maddila, SN Maddila… - RSC advances, 2017 - pubs.rsc.org
The co-precipitation method using a surface modifier, glutamic acid was employed in the
design of iron doped calcium oxalates (Fe-CaOx). Fe-CaOx with diverse iron loading (0.5 …