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 …

One-pot synthesis of pyrano [2, 3-c] pyrazole derivatives via multicomponent reactions (MCRs) and their applications in medicinal chemistry

SK Biswas, D Das - Mini-Reviews in Organic Chemistry, 2022 - ingentaconnect.com
Background: Many pyrano [2, 3-c] pyrazole derivatives display diverse biological activities
and some of them are known as anticancer, analgesic, anticonvulsant, antimicrobial …

[HTML][HTML] Fe3O4@chitosan-tannic acid bionanocomposite as a novel nanocatalyst for the synthesis of pyranopyrazoles

M Kamalzare, MR Ahghari, M Bayat, A Maleki - Scientific reports, 2021 - nature.com
Recently magnetic nanocatalyst has attracted considerable attention because of its unique
properties, including high performance, easy separation from the reaction mixture, and …

Eco-friendly synthesis and biological evaluation of substituted pyrano [2, 3-c] pyrazoles

SR Mandha, S Siliveri, M Alla, VR Bommena… - Bioorganic & medicinal …, 2012 - Elsevier
An ecofriendly green approach for synthesis of substituted pyrano [2, 3-c] pyrazoles has
been developed via a multicomponent one pot approach in aqueous ethanol medium under …

Synthesis of pyranopyrazoles using magnetic Fe3O4 nanoparticles as efficient and reusable catalyst

MAEAA Ali - Tetrahedron, 2014 - Elsevier
Magnetic Fe 3 O 4 nanoparticles as a heterogeneous catalyst, were found to be efficient for
the synthesis of a series of pyranopyrazoles by a four component reaction of a mixture of …

Synthesis of pyranopyrazoles using isonicotinic acid as a dual and biological organocatalyst

MA Zolfigol, M Tavasoli, AR Moosavi-Zare, P Moosavi… - RSC Advances, 2013 - pubs.rsc.org
In this study, a green, simple and efficient method for the preparation of 6-amino-4-(4-
methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1, 4-dihydropyrano [2, 3-c] pyrazoles by means …

[HTML][HTML] One-pot, four-component synthesis of pyrano [2, 3-c] pyrazoles catalyzed by sodium benzoate in aqueous medium

H Kiyani, H Samimi, F Ghorbani… - Current chemistry …, 2013 - growingscience.com
An efficient, green, and facile four-component reaction for the preparation of pyrano [2, 3-c]
pyrazole derivatives through the condensation reaction of aryl aldehydes, ethyl …

MIL‐53 (Fe) Metal–Organic Frameworks (MOFs) as an Efficient and Reusable Catalyst for the One‐Pot Four‐Component Synthesis of Pyrano [2, 3‐c]‐pyrazoles

MA Ghasemzadeh… - Applied …, 2019 - Wiley Online Library
A novel and simple approach for the efficient and rapid synthesis of pyrano [2, 3‐c]‐
pyrazoleshas been accomplished via the four‐component condensation reaction of …

Synthesis of 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1, 4-dihydropyrano [2, 3-c] pyrazoles using disulfonic acid imidazolium chloroaluminate as a …

A RezaáMoosavi-Zare, M AliáZolfigol - New Journal of Chemistry, 2013 - pubs.rsc.org
In this work, disulfonic acid imidazolium chloroaluminate {[Dsim] AlCl4} is applied as a new
acidic and heterogeneous catalyst for green, simple and efficient synthesis of 6-amino-4-(4 …

Design and development of a new functionalized cellulose-based magnetic nanocomposite: preparation, characterization, and catalytic application in the synthesis of …

A Maleki, V Eskandarpour - Journal of the Iranian Chemical Society, 2019 - Springer
In this work, a facile protocol for the preparation of a new cellulose-based functionalized
magnetic nanocomposite catalyst is described. The structure and morphology of the …