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-c]-pyrazole derivatives

Potassium phthalimide as efficient basic organocatalyst for the synthesis of 3,4-disubstituted isoxazol-5(4H)-ones in aqueous medium

(2017) Hamzeh Kiyani et al.   Journal of Saudi Chemical Society

DABCO catalyzed rapid one-pot synthesis of 1,4-dihydropyrano [2,3-c] pyrazole derivatives in aqueous media

(2017) Amit S. Waghmare et al.   Journal of Saudi Chemical Society

Phthalimide-N-oxyl salts: efficient organocatalysts for facile synthesis of (Z)-3-methyl-4-(arylmethylene)-isoxazole-5(4H)-one derivatives in water

(2015) Mohammad G. Dekamin et al.   MONATSHEFTE FUR CHEMIE

A green and one-pot synthesis of a library of 1,4-dihydropyrano[2,3-c]-pyrazole-5-carbonitrile derivatives using thiourea dioxide (TUD) as an efficient and reusable organocatalyst

(2015) Rajesh H. Vekariya et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Ag/SiO2 as a recyclable catalyst for the facile green synthesis of 3-methyl-4-(phenyl)methylene-isoxazole-5(4H)-ones

(2015) Surya Narayana Maddila et al.   RESEARCH ON CHEMICAL INTERMEDIATES

β-Cyclodextrin as a supramolecular catalyst for the synthesis of dihydropyrano[2,3-c]pyrazole and spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] in aqueous medium

(2015) Yogesh A. Tayade et al.   TETRAHEDRON LETTERS

N,2-Dibromo-6-chloro-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide: an efficient and homogeneous catalyst for one-pot synthesis of 4H-pyran, pyranopyrazole and pyrazolo[1,2-b]phthalazine derivatives under aqueous media

(2015) Ardeshir Khazaei et al.   RSC Advances

Sulfonated polyethylene glycol (PEG-OSO3H) as a polymer supported biodegradable and recyclable catalyst in green organic synthesis: recent advances

(2015) Rajesh H. Vekariya et al.   RSC Advances

Melamine trisulfonic acid (MTSA): an efficient and recyclable heterogeneous catalyst in green organic synthesis

(2015) Rajesh H. Vekariya et al.   RSC Advances

Xanthan Sulfuric Acid as an Efficient Biodegradable and Recyclable Catalyst for the One-Pot Synthesis of α-Amino Phosphonates

(2015) Guo-Ying Sun et al.   JOURNAL OF THE CHINESE CHEMICAL SOCIETY

Synthesis of novel 1,2,3-triazole/isoxazole functionalized 2H-Chromene derivatives and their cytotoxic activity

(2014) K. Ratnakar Reddy et al.   BIOORGANIC & MEDICINAL CHEMISTRY LETTERS

An environmentally friendly synthesis of 1,4-dihydropyrano[2,3-c]pyrazole derivatives catalyzed by tungstate sulfuric acid

(2014) Mahnaz Farahi et al.   CHINESE CHEMICAL LETTERS

Enantioselective synthesis of functionalized fluorinated dihydropyrano [2,3-c]pyrazoles catalyzed by a simple bifunctional diaminocyclohexane-thiourea

(2014) Hong-Fei Zhang et al.   CHINESE CHEMICAL LETTERS

Pyrrolidine-Catalyzed Four-Component One-Pot Synthesis of Dihydropyrano[2,3- C]Pyrazole Derivatives

(2014) Wang Liju et al.   CURRENT ORGANIC SYNTHESIS

Green procedure for the synthesis of 1,4-dihydropyrano[2,3-c]pyrazoles using saccharose

(2014) Mehrnoosh Kangani et al.   Journal of the Iranian Chemical Society

Iodine-mediated efficient synthesis of pyrano[2,3-c]pyrazoles and their antimicrobial activity

(2014) Mahavir Parshad et al.   MONATSHEFTE FUR CHEMIE

N-bromosuccinimide (NBS)-promoted, three-component synthesis of α,β-unsaturated isoxazol-5(4H)-ones, and spectroscopic investigation and computational study of 3-methyl-4-(thiophen-2-ylmethylene)isoxazol-5(4H)-one

(2014) Hamzeh Kiyani et al.   RESEARCH ON CHEMICAL INTERMEDIATES

2-Hydroxy-5-sulfobenzoic acid: an efficient organocatalyst for the three-component synthesis of 1-amidoalkyl-2-naphthols and 3,4-disubstituted isoxazol-5(4H)-ones

(2014) Hamzeh Kiyani et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Efficient tandem synthesis of a variety of pyran-annulated heterocycles, 3,4-disubstituted isoxazol-5(4H)-ones, and α,β-unsaturated nitriles catalyzed by potassium hydrogen phthalate in water

(2014) Hamzeh Kiyani et al.   RESEARCH ON CHEMICAL INTERMEDIATES

New synthesis of ethyl 6-amino-4-aryl-5-cyano-1,4-dihydropyrano[2,3-c]pyrazole-3-carboxylates

(2014) V. L. Gein et al.   RUSSIAN JOURNAL OF ORGANIC CHEMISTRY

Synthesis of 6-Amino-2,4-dihydropyrano[2,3-c]pyrazol-5-carbonitriles Catalyzed by Silica-Supported Tetramethylguanidine Under Solvent-Free Conditions

(2014) Amol B. Atar et al.   SYNTHETIC COMMUNICATIONS

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

(2014) Mahmoud. Abd El Aleem. Ali. Ali. El-Remaily   TETRAHEDRON

Convenient DABCO-catalyzed one-pot synthesis of multi-substituted pyrano[2,3-c]pyrazole dicarboxylates

(2014) Ablajan Keyume et al.   TETRAHEDRON

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

CuO–CeO2 nanocomposite: A highly efficient recyclable catalyst for the multicomponent synthesis of 4H-benzo[b]pyran derivatives

(2013) Jalal Albadi et al.   CHINESE CHEMICAL LETTERS

Chitosan: a highly efficient renewable and recoverable bio-polymer catalyst for the expeditious synthesis of α-amino nitriles and imines under mild conditions

(2013) Mohammad G. Dekamin et al.   GREEN CHEMISTRY

Green Approach to the Design of Functionalized Medicinally Privileged 4-Aryl-1,4-dihydropyrano[2,3-c]-pyrazole-5-carbonitrile Scaffold

(2013) Alexey I. Ilovaisky et al.   JOURNAL OF HETEROCYCLIC CHEMISTRY

A facile synthesis of 3,4-dihydropyrimidinones/thiones and novel N-dihydro pyrimidinone-decahydroacridine-1,8-diones catalyzed by cellulose sulfuric acid

(2013) Abdul Rajack et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Multicomponent synthesis of dihydropyrano[2,3-c]pyrazoles catalyzed by lipase from Aspergillus niger

(2013) Pranjal P. Bora et al.   JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC

Nano-titania sulfuric acid-promoted synthesis of tetrahydrobenzo[b]pyran and 1,4-dihydropyrano[2,3-c]pyrazole derivatives under ultrasound irradiation

(2013) Davood Azarifar et al.   Journal of the Iranian Chemical Society

Cerium ammonium nitrate (CAN)-catalyzed four-component one-pot synthesis of multi-substituted pyrano[2,3- $$\varvec{c}$$ c ]pyrazoles under ultrasound irradiation

(2013) Keyume Ablajan et al.   MOLECULAR DIVERSITY

CeCl3-promoted one-pot synthesis of multisubstituted bispyrano[2,3-c]pyrazole derivatives

(2013) Keyume Ablajan et al.   MONATSHEFTE FUR CHEMIE

Friedlander synthesis of novel benzopyranopyridines in the presence of chitosan as heterogeneous, efficient and biodegradable catalyst under solvent-free conditions

(2013) Zeba N. Siddiqui 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

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

Mild, four-component synthesis of 6-amino-4-aryl-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles catalyzed by titanium dioxide nano-sized particles

(2013) Hamid Reza Shaterian et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Green synthesis of 1,4-dihydropyrano[2,3-c]pyrazole derivatives using maltose as biodegradable catalyst

(2013) Mehrnoosh Kangani et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Nickel Nanoparticles as Semiheterogeneous Catalyst for One-Pot, Three-Component Synthesis of 2-Amino-4H-pyrans and Pyran Annulated Heterocyclic Moieties

(2013) Jitender M. Khurana et al.   SYNTHETIC COMMUNICATIONS

One-pot three-component synthesis of functionalized spirooxindoles in gluconic acid aqueous solution

(2013) Rui-Yun Guo et al.   TETRAHEDRON

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

(2013) Rui-Yun Guo et al.   TETRAHEDRON

Synthesis of 3-methyl-4-arylmethylene isoxazole-5(4H)-ones by visible light in aqueous ethanol

(2013) Forid Saikh et al.   TETRAHEDRON LETTERS

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

(2013) Mohammad Ali Zolfigol 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

Facile and One-Pot Access to Diverse and Densely Functionalized 2-Amino-3-cyano-4H-pyrans and Pyran-Annulated Heterocyclic Scaffolds via an Eco-Friendly Multicomponent Reaction at Room Temperature Using Urea as a Novel Organo-Catalyst

(2013) Goutam Brahmachari et al.   ACS Sustainable Chemistry & Engineering

Nano-ZnO Catalyzed Green and Efficient One-Pot Four-Component Synthesis of Pyranopyrazoles

(2013) Sunil U. Tekale et al.   Journal of Chemistry

Application and characterization of eggshell as a new biodegradable and heterogeneous catalyst in green synthesis of 7,8-dihydro-4H-chromen-5(6H)-ones

(2012) Elaheh Mosaddegh et al.   CATALYSIS COMMUNICATIONS

Xanthan Sulfuric Acid: An Efficient Bio-supported and Recyclable Solid Acid Catalyst for the Synthesis of 2-Aryl Thiadiazolo Benzimidazoles

(2012) B. Suresh Kuarm et al.   CHINESE JOURNAL OF CHEMISTRY

Synthesis, cytotoxic, and DNA binding studies of novel fluorinated condensed pyrano pyrazoles

(2012) S. Bhavanarushi et al.   MEDICINAL CHEMISTRY RESEARCH

One-Pot Three-Component Synthesis of 3-Methyl-4-Arylmethylene- Isoxazol-5(4H)- Ones Catalyzed by Sodium Sulfide

(2012) Qing Liu et al.   PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS

CTACl as Catalyst for Four-Component, One-Pot Synthesis of Pyranopyrazole Derivatives in Aqueous Medium

(2012) Mingshu Wu et al.   SYNTHETIC COMMUNICATIONS

Potassium phthalimide-N-oxyl: a novel, efficient, and simple organocatalyst for the one-pot three-component synthesis of various 2-amino-4H-chromene derivatives in water

(2012) Mohammad G. Dekamin et al.   TETRAHEDRON

A green and convenient approach for the synthesis of methyl 6-amino-5-cyano-4-aryl-2,4-dihydropyrano[2,3-c]pyrazole-3-carboxylates via a one-pot, multi-component reaction in water

(2012) Adeleh Moshtaghi Zonouz et al.   TETRAHEDRON LETTERS

Dual role of the polymer supported catalyst PEG-OSO3H in aqueous reaction medium: synthesis of highly substituted structurally diversified coumarin and uracil fused spirooxindoles

(2012) Sanjay Paul et al.   TETRAHEDRON LETTERS

Synthesis of new chromeno-annulated cis-fused pyrano[3,4-c]pyran derivatives via domino Knoevenagel–hetero-Diels–Alder reactions and their biological evaluation towards antiproliferative activity

(2012) A. Venkatesham et al.   MedChemComm

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

One-pot Synthesis of 3-Methyl-4-arylmethylene-isoxazol-5(4H)-ones Catalyzed by Sodium Benzoate in Aqueous Media: A Green Chemistry Strategy

(2011) Qing Liu et al.   BULLETIN OF THE KOREAN CHEMICAL SOCIETY

Synthesis and antioxidant activity of oxazolyl/thiazolylsulfonylmethyl pyrazoles and isoxazoles

(2011) A. Padmaja et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

Gluconic acid aqueous solution as a sustainable and recyclable promoting medium for organic reactions

(2011) Binghua Zhou et al.   GREEN CHEMISTRY

Sulfuric acid-modified PEG-6000 (PEG-OSO3H): an efficient, bio-degradable and reusable polymeric catalyst for the solvent-free synthesis of poly-substituted quinolines under microwave irradiation

(2011) Alireza Hasaninejad et al.   GREEN CHEMISTRY

Click-chemistry approach to isoxazole-containing α-CF3-substituted α-aminocarboxylates and α-aminophosphonates

(2011) Daria V. Vorobyeva et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Pyrazolo[3,4-c]isothiazole and isothiazolo[4,3-d]isoxazole derivatives as antifungal agents

(2011) Chiara Beatrice Vicentini et al.   PHARMACEUTICAL BIOLOGY

Green Approach for Knoevenagel Condensation of Aromatic Aldehydes with Active Methylene Group

(2011) M. B. Deshmukh et al.   SYNTHETIC COMMUNICATIONS

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

Facile synthesis of 3-methyl-4-arylmethylene-isoxazol-5(4H)-ones catalysed by sodium silicate in an aqueous medium

(2011) Qing Liu et al.   JOURNAL OF CHEMICAL RESEARCH

Inhibition of HIV-1 Replication by Isoxazolidine and Isoxazole Sulfonamides

(2010) Belinda Loh et al.   Chemical Biology & Drug Design

Aqueous Extract of the Pericarp of Sapindus trifoliatus Fruits: A Novel ‘Green’ Catalyst for the Aldimine Synthesis

(2010) Santosh Pore et al.   CHEMISTRY & BIODIVERSITY

Melamine trisulfonic acid: A new, efficient and recyclable catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones in the absence of solvent

(2010) Farhad Shirini et al.   CHINESE CHEMICAL LETTERS

The convenient synthesis of 4-arylmethylidene-4,5- dihydro-3-phenylisoxazol-5-ones

(2010) Keyume Ablajan et al.   CHINESE CHEMICAL LETTERS

Efficient Acetylation of Alcohols, Phenols, and Amines Catalyzed by Melamine Trisulfonic Acid (MTSA)

(2010) Farhad Shirini et al.   SYNTHETIC COMMUNICATIONS

Animal bone meal as an efficient catalyst for crossed-aldol condensation

(2010) Y. Riadi et al.   TETRAHEDRON LETTERS

From Serendipity to Rational Antituberculosis Drug Discovery of Mefloquine-Isoxazole Carboxylic Acid Esters

(2009) Jialin Mao et al.   JOURNAL OF MEDICINAL CHEMISTRY

Cellulose sulfuric acid: An efficient biodegradable and recyclable solid acid catalyst for the one-pot synthesis of aryl-14H-dibenzo[a.j]xanthenes under solvent-free conditions

(2009) J. Venu Madhav et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

High Stereoselective Mannich Reaction Catalyzed by Starch Sulfonic Acid in Water

(2009) Yu Wan et al.   LETTERS IN ORGANIC CHEMISTRY

Microwave-Assisted K-10 Montmorillonite Clay–Mediated Knoevenagel Hetero-Diels–Alder Reactions: A Novel Protocol for the Synthesis of Polycyclic Pyrano[2,3,4-kl]xanthene Derivatives

(2009) Ekambaram Ramesh et al.   SYNTHETIC COMMUNICATIONS

Natural and synthetic 2H-pyran-2-ones and their versatility in organic synthesis

(2009) Atul Goel et al.   TETRAHEDRON

Asymmetric Organocatalysis: An Efficient Enantioselective Access to Benzopyranes and Chromenes

(2008) Magnus Rueping et al.   CHEMISTRY-A EUROPEAN JOURNAL

Use of the Nitrile Oxide Cycloaddition (NOC) Reaction for Molecular Probe Generation: A New Class of Enzyme Selective Histone Deacetylase Inhibitors (HDACIs) Showing Picomolar Activity at HDAC6

(2008) Alan P. Kozikowski et al.   JOURNAL OF MEDICINAL CHEMISTRY

Coconut water (Cocos nucifera L.)—A new biocatalyst system for organic synthesis

(2008) Aluísio M. Fonseca et al.   JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC

Expeditious reaction of ninhydrin with active methylene compounds on montmorillonite K10 clay

(2008) Manas Chakrabarty et al.   MONATSHEFTE FUR CHEMIE

Borax-catalyzed thiolysis of 1,2-epoxides in aqueous medium

(2008) Peng Gao et al.   TETRAHEDRON LETTERS