One-pot multicomponent synthesis of highly functionalized bio-active pyrano[2,3-c]pyrazole and benzylpyrazolyl coumarin derivatives using ZrO2 nanoparticles as a reusable catalyst

Uncapped SnO2 quantum dot catalyzed cascade assembling of four components: a rapid and green approach to the pyrano[2,3-c]pyrazole and spiro-2-oxindole derivatives

(2014) Sanjay Paul et al.   TETRAHEDRON

Hydrothermal synthesis and selective photocatalytic properties of tetragonal star-like ZrO2 nanostructures

(2013) Zhanxia Shu et al.   CRYSTENGCOMM

K7[CoIIICoII(H2O)W11O39]: a molecular mixed-valence Keggin polyoxometalate catalyst of high stability and efficiency for visible light-driven water oxidation

(2013) Fangyuan Song et al.   Energy & Environmental Science

Chemodivergent, multicomponent domino reactions in aqueous media: l-proline-catalyzed assembly of densely functionalized 4H-pyrano[2,3-c]pyrazoles and bispyrazolyl propanoates from simple, acyclic starting materials

(2013) Pitchaimani Prasanna et al.   GREEN CHEMISTRY

Sol–gel synthesis of tetragonal ZrO2 nanoparticles stabilized by crystallite size and oxygen vacancies

(2013) Qaiser Mahmood et al.   JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY

Free-ZnO nanoparticles: a mild, efficient and reusable catalyst for the one-pot multicomponent synthesis of tetrahydrobenzo[b]pyran and dihydropyrimidone derivatives

(2013) Subhash Banerjee et al.   NEW JOURNAL OF CHEMISTRY

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 dual and heterogeneous catalyst

(2013) Ahmad Reza Moosavi-Zare et al.   NEW JOURNAL OF CHEMISTRY

A novel protocol for selective synthesis of monoclinic zirconia nanoparticles as a heterogeneous catalyst for condensation of 1,2-diamines with 1,2-dicarbonyl compounds

(2013) Maasoumeh Jafarpour et al.   NEW JOURNAL OF CHEMISTRY

Synthetic Developments in Functionalized Pyrano[2,3-c]pyrazoles. A Review

(2013) Bekington Myrboh et al.   ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL

An Efficient Multi-component Synthesis of 6-Amino-3-methyl-4-Aryl-2,4- dihydropyrano[2,3-c]Pyrazole-5-carbonitriles

(2013) G. Santhosh Kumar et al.   ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL

Investigating the Catalytic Activity of Monoclinic Zirconia; Oxidation of Benzyl Alcohol in Aqueous Medium at Mild Conditions

(2013) M. Sadiq et al.   TENSIDE SURFACTANTS DETERGENTS

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

(2013) Rui-Yun Guo et al.   TETRAHEDRON

A highly efficient, rapid one-pot synthesis of some new heteroaryl pyrano[2,3-c]pyrazoles in ionic liquid under microwave-irradiation

(2013) Narsidas J. Parmar et al.   RSC Advances

Facile synthesis of pure non-monoclinic zirconia nanoparticles and their catalytic activity investigations for Knoevenagel condensation

(2013) Reihaneh Malakooti et al.   RSC Advances

Amberlyst A21 Catalyzed Chromatography-Free Method for Multicomponent Synthesis of Dihydropyrano[2,3-c]pyrazoles in Ethanol

(2013) Manisha Bihani et al.   ACS Sustainable Chemistry & Engineering

One-Pot Synthesis of 1,4-Dihydropyrano[2,3-c]pyrazoles Catalyzed by Basic Ionic Liquids

(2012) Xiaojun Li et al.   CHINESE JOURNAL OF ORGANIC CHEMISTRY

Design and synthesis of benzylpyrazolyl coumarin derivatives via a four-component reaction in water: investigation of the weak interactions accumulating in the crystal structure of a signified compound

(2012) Partha Pratim Ghosh et al.   GREEN CHEMISTRY

An Efficient Four-Component, One-Pot Synthesis of 6-Amino-4-Aryl-3- Methyl-2,4-Dihydropyrano[2,3-C]Pyrazole-5-Carbonitriles Under Phase- Transfer Catalyst

(2012) Keyume Ablajan et al.   LETTERS IN ORGANIC CHEMISTRY

Efficient and green synthesis of 4H-pyrans and 4H-pyrano[2,3-c] pyrazoles catalyzed by task-specific ionic liquid [bmim]OH under solvent-free conditions

(2012) Jitender M. Khurana et al.   Green Chemistry Letters and Reviews

Hydrotreatment of wood-based pyrolysis oil using zirconia-supported mono- and bimetallic (Pt, Pd, Rh) catalysts

(2011) A.R. Ardiyanti et al.   APPLIED CATALYSIS A-GENERAL

Trichloroacetic acid as a solid heterogeneous catalyst for the rapid synthesis of dihydropyrano[2,3-c]pyrazoles under solvent-free conditions

(2011) Zahed Karimi-Jaberi et al.   HETEROCYCLIC COMMUNICATIONS

A Multiunit Catalyst with Synergistic Stability and Reactivity: A Polyoxometalate–Metal Organic Framework for Aerobic Decontamination

(2011) Jie Song et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Rapid Synthesis of Polyfunctionalized Pyrano[2,3-c]pyrazolesviaMulticomponent Condensation in Room-Temperature Ionic Liquids

(2011) Jitender M. Khurana et al.   SYNTHETIC COMMUNICATIONS

A green one-pot multicomponent synthesis of 4H-pyrans and polysubstituted aniline derivatives of biological, pharmacological, and optical applications using silica nanoparticles as reusable catalyst

(2011) Subhash Banerjee et al.   TETRAHEDRON LETTERS

l-Proline as an efficicent catalyst for the multi-component synthesis of 6-amino-4-alkyl/aryl-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles in water

(2011) Hormi Mecadon et al.   TETRAHEDRON LETTERS

γ-Alumina as a recyclable catalyst for the four-component synthesis of 6-amino-4-alkyl/aryl-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles in aqueous medium

(2011) Hormi Mecadon et al.   TETRAHEDRON LETTERS

A new catalytic mode of the modularly designed organocatalysts (MDOs): enantioselective synthesis of dihydropyrano[2,3-c]pyrazoles

(2011) Savitha Muramulla et al.   TETRAHEDRON LETTERS

Pd-MCM-48: a novel recyclable heterogeneous catalyst for chemo- and regioselective hydrogenation of olefins and coupling reactions

(2010) Subhash Banerjee et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Iron Oxide Nanoparticles Grown on Carboxy-Functionalized Graphite: An Efficient Reusable Catalyst for Alkylation of Arenes

(2010) Vikul Rajpara et al.   SYNTHESIS-STUTTGART

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

(2010) Kuppusamy Kanagaraj et al.   TETRAHEDRON LETTERS

Hierarchical macro/mesoporous TiO2/SiO2 and TiO2/ZrO2 nanocomposites for environmental photocatalysis

(2009) Xiufang Chen et al.   Energy & Environmental Science

Synthesis and evaluation of the antioxidant and anti-inflammatory activity of novel coumarin-3-aminoamides and their alpha-lipoic acid adducts

(2009) Georgia Melagraki et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

New Convenient Four-Component Synthesis of 6-Amino-2,4-dihydropyrano[2,3-c]pyrazol-5-carbonitriles and One-Pot Synthesis of 6′-Aminospiro[(3H)-indol-3,4′-pyrano[2,3-c]pyrazol]-(1H)-2-on-5′-carbonitriles

(2009) Yuri M. Litvinov et al.   JOURNAL OF COMBINATORIAL CHEMISTRY

l-Lysine-Assisted Synthesis of ZrO2 Nanocrystals and Their Application in Photocatalysis

(2009) He Zheng et al.   Journal of Physical Chemistry C

Surface and Bulk Aspects of Mixed Oxide Catalytic Nanoparticles: Oxidation and Dehydration of CH3OH by Polyoxometallates

(2009) Lingaiah Nakka et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Silicananoparticles as a reusable catalyst: a straightforward route for the synthesis of thioethers, thioesters, vinyl thioethers and thio-Michael adducts under neutral reaction conditions

(2009) Subhash Banerjee et al.   NEW JOURNAL OF CHEMISTRY

Three-Component Reaction to Form 1,4-Dihydropyrano[2,3-c]pyrazol-5-yl Cyanides

(2009) Hassan Sheibani et al.   SYNTHETIC COMMUNICATIONS

Multicomponent one-pot solvent-free synthesis of functionalized unsymmetrical dihydro-1H-indeno[1,2-b]pyridines

(2009) Subhasis Samai et al.   TETRAHEDRON LETTERS

Remarkable catalytic activity of silica nanoparticle in the bis-Michael addition of active methylene compounds to conjugated alkenes

(2009) Subhash Banerjee et al.   TETRAHEDRON LETTERS

One-step, three-component synthesis of highly substituted pyridines using silica nanoparticle as reusable catalyst

(2009) Subhash Banerjee et al.   TETRAHEDRON LETTERS

Immobilization of Lipases on Hydrophobilized Zirconia Nanoparticles: Highly Enantioselective and Reusable Biocatalysts

(2008) Yi Zhao Chen et al.   LANGMUIR

Facile Synthesis of Pure Monoclinic and Tetragonal Zirconia Nanoparticles and Their Phase Effects on the Behavior of Supported Molybdena Catalysts for Methanol-Selective Oxidation

(2008) Weizhen Li et al.   LANGMUIR

Rapid four-component reactions in water: synthesis of pyranopyrazoles

(2008) Gnanasambandam Vasuki et al.   TETRAHEDRON LETTERS

Native silica nanoparticle catalyzed anti-Markovnikov addition of thiols to inactivated alkenes and alkynes: a new route to linear and vinyl thioethers

(2008) Subhash Banerjee et al.   TETRAHEDRON LETTERS