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 …

Advances in pyranopyrazole scaffolds' syntheses using sustainable catalysts—a review

RK Ganta, N Kerru, S Maddila, SB Jonnalagadda - Molecules, 2021 - mdpi.com
Heterogeneous catalysis plays a crucial role in many chemical processes, including
advanced organic preparations and the design and synthesis of new organic moieties …

Synthesis of Metal–Organic Frameworks MIL-101(Cr)-NH2 Containing Phosphorous Acid Functional Groups: Application for the Synthesis of N-Amino-2-pyridone and Pyrano [2 …

S Babaee, M Zarei, H Sepehrmansourie, MA Zolfigol… - ACS …, 2020 - ACS Publications
In the current paper, we successfully developed and used metal–organic frameworks
(MOFs) based on MIL-101 (Cr)-NH2 with phosphorus acid functional groups MIL-101 (Cr)-N …

Microwave-assisted synthesis of pyrano [2, 3-c]-pyrazole derivatives and their anti-microbial, anti-malarial, anti-tubercular, and anti-cancer activities

PH Parikh, JB Timaniya, MJ Patel, KP Patel - Journal of Molecular Structure, 2022 - Elsevier
We have described solvent-free preparation of new pyrano [2, 3-c]-pyrazole-5-carbonitriles
(1-10) from the reaction of 1, 3-diketo ester, aryl hydrazine, aromatic aldehyde, and …

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) …

Nanocatalysts: applications for the synthesis of N-containing five-membered heterocycles

N Jangir, SK Bagaria, DK Jangid - RSC advances, 2022 - pubs.rsc.org
Using transition metals as nanocatalysts has opened up a vast new area in heterocyclic
chemistry in the modern day. Heterocyclic moieties are significant scaffolds that have both …

One-pot multicomponent synthesis in aqueous medium of 1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile and derivatives using a green and reusable nano-SiO2 …

KG Patel, NM Misra, RH Vekariya… - Research on Chemical …, 2018 - Springer
Nanosilica from wheat straw—an agricultural waste—was utilized as a novel and efficient
heterogeneous catalyst for synthesis of bioactive pyrano [2, 3-c] pyrazole derivatives via one …

Recent advances in the synthesis of pyrazole derivatives using multicomponent reactions

S Maddila, SB Jonnalagadda, KK Gangu… - Current Organic …, 2017 - ingentaconnect.com
Aim and Objective: In this review, we summarize the current state of varied multicomponent/
onepot protocols for synthesis of vital pyrazole derivatives under varied conditions, including …

Nano silica extracted from horsetail plant as a natural silica support for the synthesis of H 3 PW 12 O 40 immobilized on aminated magnetic nanoparticles (Fe 3 O 4 …

N Hosseini Mohtasham, M Gholizadeh - Research on Chemical …, 2020 - Springer
In this work, nanomesoporous silica has been prepared from horsetail (Equisetum arvense),
which is a medicinal plant, with high surface area. This natural silica has been applied as a …

Aqueous TPGS-750-M-mediated synthesis of pyrano [2, 3-c]-pyrazoles: a sustainable and efficient approach

A Cetin, MY Bayden - Research on Chemical Intermediates, 2024 - Springer
The article describes a green and efficient synthesis method for pyrano [2, 3-c]-pyrazoles,
employing DL-alpha-tocopherol methoxypolyethylene glycol succinate solution (TPGS-750 …