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 …

Bioinspired heterocyclic compounds as corrosion inhibitors: a comprehensive review

LKMO Goni, MA Jafar Mazumder… - Chemistry–An Asian …, 2021 - Wiley Online Library
Corrosion is a phenomenon that devastatingly affects innovative, industrial, and mechanical
applications, especially in the oil and gas industries. The corrosion conceivably influences …

Synthesis, characterization and molecular docking studies of substituted 4-coumarinylpyrano [2, 3-c] pyrazole derivatives as potent antibacterial and anti-inflammatory …

BM Chougala, S Samundeeswari, M Holiyachi… - European journal of …, 2017 - Elsevier
A green, eco-friendly and efficient protocol has been developed and synthesized a series of
coumarin based pyrano [2, 3-c] pyrazole derivatives (3) by multi-component reaction (MCR) …

Synthesis and Molluscicidal Activity of New Chromene and Pyrano[2,3‐c]pyrazole Derivatives

FM Abdelrazek, P Metz, O Kataeva… - … der Pharmazie: An …, 2007 - Wiley Online Library
The chromene derivative 4 reacts with acetic anhydride, phenylisothiocyanate and ethyl
orthoformate to afford the N‐acetyl derivative 6, the chromenopyrimidine 8 and the …

One-pot multicomponent synthesis of highly functionalized bio-active pyrano [2, 3-c] pyrazole and benzylpyrazolyl coumarin derivatives using ZrO 2 nanoparticles as a …

A Saha, S Payra, S Banerjee - Green Chemistry, 2015 - pubs.rsc.org
A facile one-pot multicomponent protocol for the synthesis of bio-active pyrano [2, 3-c]
pyrazole and benzylpyrazolyl coumarin derivatives has been demonstrated using ZrO2 …

Experimental and theoretical approach to the corrosion inhibition of mild steel in acid medium by a newly synthesized pyrazole carbothioamide heterocycle

F Boudjellal, HB Ouici, A Guendouzi, O Benali… - Journal of molecular …, 2020 - Elsevier
Abstract Heterocyclic compound such as 3, 5-disubstitued pyrazole carbothioamide was
synthesized by cyclocondensation reaction between chalcone derivative and …

Solvent-free multicomponent synthesis of pyranopyrazoles: per-6-amino-β-cyclodextrin as a remarkable catalyst and host

K Kanagaraj, K Pitchumani - Tetrahedron Letters, 2010 - Elsevier
A simple, green and efficient protocol is developed with per-6-amino-β-cyclodextrin (per-6-
ABCD) which acts simultaneously as a supramolecular host and as an efficient solid base …

Organocatalyzed enantioselective synthesis of 6-amino-5-cyanodihydropyrano [2, 3-c] pyrazoles

S Gogoi, CG Zhao - Tetrahedron Letters, 2009 - Elsevier
The first enantioselective synthesis of biologically active 6-amino-5-cyanodihydropyrano [2,
3-c] pyrazoles has been achieved through a cinchona alkaloid-catalyzed tandem Michael …

Rapid and Efficient Ultrasound-Assisted Method for the Combinatorial Synthesis of Spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] Derivatives

Y Zou, Y Hu, H Liu, D Shi - ACS combinatorial science, 2012 - ACS Publications
An efficient one-pot synthesis of spiro [indoline-3, 4′-pyrano [2, 3-c] pyrazole] derivatives by
four-component reaction of hydrazine, β-keto ester, isatin, and malononitrile or ethyl …

Synthesis, DFT calculation, pharmacological evaluation, and catalytic application in the synthesis of diverse pyrano [2, 3-c] pyrazole derivatives

MMK Amer, MH Abdellattif, SM Mouneir, WA Zordok… - Bioorganic …, 2021 - Elsevier
Pyranopyrazole and its derivatives are classified to be a pharmacologically significant active
scaffold for almost all modes of biological activities. In this work, An efficient, green, and …